November 2008 - Olena-patches

cleanup-2008 2772: Inim: Add the code related to edge detection in the sandbox.
by Nicolas Ballas 03 Nov '08

03 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Nicolas Ballas <ballas(a)lrde.epita.fr> Inim: Add the code related to edge detection in the sandbox. * ballas/color: New. * ballas/color/min_tree_volume_filter.cc: Min tree using volume filter. * ballas/color/reference.cc: Method using a gradient. * ballas/color/min_tree_area_filter.cc: Min tree using area filter. * ballas/color/min_tree_color.cc: Min tree using filter based on color. * ballas/color/reference2.cc: Method using the laplacien. * ballas/color/src: New. * ballas/color/src/graph.hh, * ballas/color/src/io.hh, * ballas/color/src/distance.hh, * ballas/color/src/convert.hh: New, factorize some code. * ballas/color/laplacien.cc: Laplacien tests. laplacien.cc | 129 ++++++++++ min_tree_area_filter.cc | 505 +++++++++++++++++++++++++++++++++++++++++ min_tree_color.cc | 525 +++++++++++++++++++++++++++++++++++++++++++ min_tree_volume_filter.cc | 514 ++++++++++++++++++++++++++++++++++++++++++ reference.cc | 556 ++++++++++++++++++++++++++++++++++++++++++++++ reference2.cc | 406 +++++++++++++++++++++++++++++++++ src/convert.hh | 37 +++ src/distance.hh | 52 ++++ src/graph.hh | 61 +++++ src/io.hh | 57 ++++ 10 files changed, 2842 insertions(+) Index: ballas/color/min_tree_volume_filter.cc --- ballas/color/min_tree_volume_filter.cc (revision 0) +++ ballas/color/min_tree_volume_filter.cc (revision 0) @@ -0,0 +1,514 @@ +# include <mln/core/var.hh> + +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image_if.hh> +# include <mln/core/image/extended.hh> +# include <mln/core/routine/extend.hh> + +# include <mln/core/alias/window2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/core/site_set/p_centered.hh> + +# include <mln/literal/origin.hh> +# include <mln/literal/black.hh> +# include <mln/literal/white.hh> + +# include <mln/value/int_u8.hh> +# include <mln/value/int_u16.hh> +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> + +# include <mln/value/rgb8.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +# include <mln/morpho/closing_area.hh> + +# include <mln/level/paste.hh> +# include <mln/level/fill.hh> +# include <mln/level/transform.hh> +# include <mln/extension/fill.hh> + +# include <mln/debug/println.hh> + +# include "src/distance.hh" + +namespace mln +{ + template <typename I, typename N, typename Ic, typename Nc> + struct min_tree_ + { + typedef mln_site(I) point; + typedef p_array<point> S; + + // in: + const I& f; + const N& nbh; + const Ic& ref; + const Nc& nbhc; + + // aux: + S s; + mln_ch_value(I, bool) deja_vu; + mln_ch_value(I, point) parent; + mln_ch_value(I, bool) resp; + mln_ch_value(I, point) zpar; + + // attached data: + int lambda; + mln_ch_value(I, int) volume; + //mln_ch_value(Ic, value::rgb8) values; + //initialize(values, ref); + //mln_ch_value(I, int) comp; + + min_tree_(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) + : f(f), + nbh(nbh), + ref(ref), + nbhc(nbhc), + lambda(lambda) + { + run(); + } + + void run() + { + // init + { + initialize(deja_vu, f); + initialize(parent, f); + initialize(resp, f); + initialize(zpar, f); + initialize(volume, f); + //initialize(comp, f); + + mln::level::fill(deja_vu, false); + //mln::level::fill(resp, false); + mln::level::fill(volume, 0); + + s = level::sort_psites_increasing(f); + } + + // first pass + { + mln_fwd_piter(S) p(s); + mln_niter(N) n(nbh, p); + for_all(p) + { + make_set(p); + for_all(n) + if (f.has(n) && deja_vu(n)) + do_union(n, p); + deja_vu(p) = true; + } + } + + // second pass: canonization + { + mln_bkd_piter(S) p(s); + for_all(p) + { + point q = parent(p); + if (f(parent(q)) == f(q)) + { + parent(p) = parent(q); + resp(q) = false; + } + } + } + + // third pass: Merging region with volume < lambda + { + mln_fwd_piter(S) p(s); + for_all(p) + { + if (resp(p) && (volume(p) < lambda)) + { + resp(p) = false; + update_data(parent(p), volume(p)); + } + } + } + + } // end of run() + + void make_set(const point& p) + { + parent(p) = p; + zpar(p) = p; + init_data(p); + } + + void set_parent(const point& r, const point& p) + { + parent(r) = p; + merge_data(r, p); + } + + bool is_root(const point& p) const + { + return parent(p) == p; + } + + bool is_node(const point& p) const + { + //return is_root(p) || f(parent(p)) != f(p); + return (is_root(p) || resp(p)); + } + + point find_root(const point& x) + { + if (zpar(x) == x) + return x; + else + return zpar(x) = find_root(zpar(x)); + } + + point find_representative(const point& x) + { + if (parent(x) == x || resp(x)) + return x; + else + return find_representative(parent(x)); + } + + void do_union(const point& n, const point& p) + { + point r = find_root(n); + if (r != p) + { + set_parent(r, p); + zpar(r) = p; + } + } + + void init_data(const point& p) + { + int red =0, green = 0, blue = 0; + + mln_niter(Nc) n(nbhc, p); + for_all(n) + { + red += ref(n).red(); + green += ref(n).green(); + blue += ref(n).blue(); + } + + red /= 2; + green /= 2; + blue /= 2; + + volume(p) = distance(value::rgb8(red, green, blue), + value::rgb8(0, 0, 0)); + resp(p) = true; + } + + void merge_data(const point& r, const point& p) + { + if (f(p) == f(r)) + { + resp(p) = false; + volume(r) += volume(p); + } + } + + void update_data(const point& p, int val) + { + volume(p) += val; + if (parent(p) != p && !resp(p)) + update_data(parent(p), val); + } + + }; +} + +namespace mln +{ + image2d<value::int_u16> convert_to_grey(const image2d<value::rgb8>& data) + { + image2d<value::int_u16> output(data.domain()); + mln_piter_(image2d<value::int_u16>) p(output.domain()); + for_all(p) + output(p) = (int) (data(p).red() * 0.3 + data(p).green() * 0.58 + data(p).blue()) * 0.12; + return output; + } +} // end of mln + +namespace mln +{ + + struct colorize : Function_v2v< colorize > + { + typedef value::rgb8 result; + colorize(unsigned max) + : lut(max + 1) + { + lut[0] = literal::black; + for (unsigned i = 1; i <= max; ++i) + lut[i] = result(100 + std::rand() % 150, + 100 + std::rand() % 150, + 100 + std::rand() % 150); + } + result operator()(unsigned i) const + { + return lut[i]; + } + std::vector<result> lut; + }; + + template <typename I> + I display_edge(const I& ima, mln_value(I) bg, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + level::fill(output, bg); + + mln_VAR(edge, ima | is_edge); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + + template <typename I> + I display_edge(const I& ima, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + + mln_VAR( cell, ima | is_cell ); + mln_piter(cell_t) q(cell.domain()); + for_all(q) + { + unsigned row = (q.row() / 2) * (zoom + 1); + unsigned col = (q.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + for (unsigned j = 0; j < zoom; ++j) + output.at(row + i, col + j) = ima(q); + } + + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + + namespace morpho + { + + template <typename I, typename N> + mln_concrete(I) + dilation(const I& input, const N& nbh) + { + typedef mln_value(I) V; + + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + for_all(n) + if (input.has(n) && input(n) != value::rgb8(0,0,0)) + output(p) = input(n); + } + return output; + } + } // mln::morpho + +} // mln + + + +template <typename T> +mln::image2d<T> +image2cells(const mln::image2d<T>& input) +{ + mln::image2d<T> output(2 * input.nrows() - 1, + 2 * input.ncols() - 1); + for (unsigned row = 0; row < input.nrows(); ++row) + for (unsigned col = 0; col < input.ncols(); ++col) + output.at(2 * row, 2 * col) = input.at(row, col); + return output; +} + + +template <typename T> +mln::image2d<T> +cells2image(const mln::image2d<T>& input) +{ + mln::image2d<T> output((input.nrows() + 1) / 2, + (input.ncols() + 1) / 2); + for (unsigned row = 0; row < input.nrows(); row += 2) + for (unsigned col = 0; col < input.ncols(); col += 2) + output.at(row / 2, col / 2) = input.at(row, col); + return output; +} + + +template <typename I, typename N, typename Ic, typename Nc> +unsigned min_tree(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) +{ + using namespace mln; + + min_tree_<I,N,Ic,Nc> run(f, nbh, ref, nbhc, lambda); + + mln_piter(I) p(f.domain()); + unsigned nnodes = 0; + for_all(p) + { + if (run.is_node(p)) + { + ++nnodes; + } + } + + colorize colors(nnodes); + image2d<value::rgb8> tmp(ref.domain()); + level::fill(tmp, ref); + + mln_piter(I) q(f.domain()); + unsigned int i = 0; + for_all(q) + { + if (run.is_node(q)) + { + tmp(q) = colors(i); + i++; + } + } + mln_piter(I) r(f.domain()); + for_all(r) + { + if (!run.is_node(r)) + { + tmp(r) = tmp(run.find_representative(r)); + } + } + + image2d<value::rgb8> to_display(tmp.domain()); + + level::fill(to_display, value::rgb8(255, 255, 255)); + level::paste((tmp | is_edge), to_display); + level::paste(morpho::dilation(to_display, c4()), to_display); + + io::ppm::save(display_edge(tmp, literal::black, 3), + "edge.ppm"); + io::ppm::save(tmp, "full.ppm"); + io::ppm::save(cells2image(to_display), "colorize.ppm"); + + + return nnodes; +} + + +template <typename I> +I +do_it(I& input, int lambda, unsigned& nbasins) +{ + using namespace mln; + + /// Graph creation + I graph; + create_graph(input, graph, value::rgb8(0, 0, 0)); + + // Initialization + image2d<value::int_u16> ima = convert_to_grey(graph); + + // Neigbhorhood + // e2c + bool e2c_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + bool e2c_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + + mln_VAR(e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v)); + + bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + + bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + mln_VAR(e2e, make::double_neighb2d(is_row_odd, e2e_h, e2e_v)); + + // Algorithm + distance(extend((graph | is_edge).rw(), pw::value(graph)), e2c, ima); + + io::pgm::save(ima, "edge.pgm"); + + nbasins = min_tree((ima | is_edge), e2e, graph, e2c, lambda); + + return graph; +} + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pgm lambda" << std::endl; + std::cerr << " lambda >= 0" << std::endl; + abort(); +} + +int main(int argc, char* argv[]) +{ + using namespace mln; + + if (argc != 3) + usage(argv); + + int lambda = atoi(argv[2]); + if (lambda < 0) + usage(argv); + + image2d<value::rgb8> ima; + io::ppm::load(ima, argv[1]); + + unsigned nbasins; + image2d<value::rgb8> output = do_it(ima, lambda, nbasins); + + //io::ppm::save(output, argv[3]); +} Index: ballas/color/reference.cc --- ballas/color/reference.cc (revision 0) +++ ballas/color/reference.cc (revision 0) @@ -0,0 +1,556 @@ +# include <mln/core/var.hh> + +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image_if.hh> +# include <mln/core/image/extended.hh> +# include <mln/core/routine/extend.hh> + +# include <mln/core/alias/window2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/core/site_set/p_centered.hh> + +# include <mln/literal/origin.hh> +# include <mln/literal/black.hh> +# include <mln/literal/white.hh> + +# include <mln/value/int_u8.hh> +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> + +# include <mln/value/rgb8.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +# include <mln/accu/min_max.hh> +# include <mln/accu/mean.hh> + +# include <mln/fun/i2v/array.hh> +# include <mln/fun/p2v/iota.hh> + +# include <mln/level/paste.hh> +# include <mln/level/fill.hh> +# include <mln/level/transform.hh> +# include <mln/extension/fill.hh> +# include <mln/convert/to.hh> + +# include <mln/linear/gaussian.hh> + +# include <mln/morpho/meyer_wst.hh> +# include <mln/morpho/closing_volume.hh> + +# include <mln/make/w_window2d.hh> + +# include <mln/debug/println.hh> + +// Laplacian method +namespace mln +{ + namespace linear + { + // required to deal with a input image that differ from the output since I + //don't succeed in using a float image in entry. + template <class I, class O> + inline + void + gaussian_2nd_derivative(const Image<I>& input, float sigma, Image<O>& output) + { + mln_precondition(exact(input).has_data()); + + impl::recursivefilter_coef_ + coef(-1.331f, 3.661f, + 1.24f, 1.314f, + 0.3225f, -1.738f, + 0.748f, 2.166f, + sigma, impl::gaussian_2nd_deriv_coef_norm_); + impl::generic_filter_common_(mln_trait_value_nature(mln_value(I))(), + input, coef, sigma, output); + } + + template <class I, class O> + inline + void + gaussian_1st_derivative(const Image<I>& input, float sigma, Image<O>& output) + { + mln_precondition(exact(input).has_data()); + + impl::recursivefilter_coef_ + coef(-0.6472f, -4.531f, + 1.527f, 1.516f, + 0.6494f, 0.9557f, + 0.6719f, 2.072f, + sigma, impl::gaussian_1st_deriv_coef_norm_); + impl::generic_filter_common_(mln_trait_value_nature(mln_value(I))(), + input, coef, sigma, output); + } + } +} + +// Gradient + watershed method +namespace mln +{ + namespace morpho + { + template <typename I, typename N> + mln_concrete(I) + closing_volume(const I& input, const Neighborhood<N>& nbh, std::size_t lambda) + { + mln_concrete(I) output; + initialize(output, input); + closing_volume(input, nbh, lambda, output); + return output; + } + } +} // !mln + +namespace mln +{ + image2d<value::int_u8> convert_to_grey(const image2d<value::rgb8>& data) + { + image2d<value::int_u8> output(data.domain()); + mln_piter_(image2d<value::int_u8>) p(output.domain()); + for_all(p) + output(p) = (int) (data(p).red() * 0.3 + data(p).green() * 0.58 + data(p).blue()) * 0.12; + return output; + } +} // !mln + +// Functions + +inline +bool is_row_odd(const mln::point2d& p) +{ + return p.row() % 2; +} + +inline +bool is_cell(const mln::point2d& p) +{ + return p.row() % 2 == 0 && p.col() % 2 == 0; +} + +inline +bool is_edge(const mln::point2d& p) +{ + return p.row() % 2 + p.col() % 2 == 1; +} + +inline +bool is_point(const mln::point2d& p) +{ + return p.row() % 2 && p.col() % 2; +} + +inline +bool is_not_edge(const mln::point2d& p) +{ + return ! is_edge(p); +} + + + +namespace mln +{ + + namespace border + { + + template <typename I> + void + fill(I& ima, const mln_value(I)& v) + { + const int nrows = ima.nrows(); + const int ncols = ima.ncols(); + for (int r = -1; r <= nrows; ++r) + { + ima.at(r, -1) = v; + ima.at(r, ncols) = v; + } + for (int c = -1; c <= ncols; ++c) + { + ima.at(-1, c) = v; + ima.at(nrows, c) = v; + } + } + + } // mln::border + + namespace accu + { + + template <typename I, typename L, typename A, typename V> + inline + void + compute(const Image<I>& input_, + const Image<L>& label_, + const Accumulator<A>&, + V& v) + { + trace::entering("accu::compute"); + + const I& input = exact(input_); + const L& label = exact(label_); + + const unsigned n = v.size(); + std::vector<A> a(n); + + mln_piter(I) p(input.domain()); + for_all(p) + a[label(p)].take(input(p)); + + for (unsigned l = 1; l < n; ++l) + v(l) = a[l].to_result(); + + trace::exiting("accu::compute"); + } + + } // mln::accu + + namespace morpho + { + + template <typename I, typename N> + mln_concrete(I) + gradient(const I& input, const N& nbh) + { + mln_concrete(I) output; + initialize(output, input); + accu::min_max<mln_value(I)> mm; + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + mm.init(); + for_all(n) if (input.has(n)) + mm.take(input(n)); + output(p) = mm.second() - mm.first(); + } + return output; + } + + template <typename I, typename N> + mln_concrete(I) + dilation(const I& input, const N& nbh) + { + typedef mln_value(I) V; + + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + for_all(n) + if (input.has(n) && input(n) != value::rgb8(0,0,0)) + output(p) = input(n); + } + return output; + } + } // mln::morpho + + + struct colorize : Function_v2v< colorize > + { + typedef value::rgb8 result; + colorize(unsigned max) + : lut(max + 1) + { + lut[0] = literal::black; + for (unsigned i = 1; i <= max; ++i) + lut[i] = result(100 + std::rand() % 150, + 100 + std::rand() % 150, + 100 + std::rand() % 150); + } + result operator()(unsigned i) const + { + return lut[i]; + } + std::vector<result> lut; + }; + + + template <typename I> + I display_edge_with_bg(const I& ima, unsigned zoom, mln_value(I) bg) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + level::fill(output, bg); + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + template <typename I> + I display_edge(const I& ima, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + + mln_VAR( cell, ima | is_cell ); + mln_piter(cell_t) q(cell.domain()); + for_all(q) + { + unsigned row = (q.row() / 2) * (zoom + 1); + unsigned col = (q.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + for (unsigned j = 0; j < zoom; ++j) + output.at(row + i, col + j) = ima(q); + } + + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + +} // mln + + + +template <typename T> +mln::image2d<T> +image2cells(const mln::image2d<T>& input) +{ + mln::image2d<T> output(2 * input.nrows() - 1, + 2 * input.ncols() - 1); + for (int row = 0; row < input.nrows(); ++row) + for (int col = 0; col < input.ncols(); ++col) + output.at(2 * row, 2 * col) = input.at(row, col); + return output; +} + +namespace mln { + + template <typename I, typename N, typename M> + mln_concrete(I) + mean(const I& input, const N& nbh, const M& nbh2) + { + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + mln_niter(M) m(nbh2, p); + for_all(p) + { + if (is_edge(p)) + { + int nb = 0; + int r = 0, g = 0, b = 0; + for_all(n) + { + if (input.has(n)) + { + r += input(n).red(); + g += input(n).green(); + b += input(n).blue(); + ++nb; + } + } + output(p) = value::rgb8(r / nb, g / nb, b / nb); + } + if (is_point(p)) + { + int nb = 0; + int r = 0, g = 0, b = 0; + for_all(m) + { + if (input.has(m)) + { + r += input(m).red(); + g += input(m).green(); + b += input(m).blue(); + ++nb; + } + } + output(p) = value::rgb8(r / nb, g / nb, b / nb); + } + if (is_cell(p)) + output(p) = input(p); + } + return output; + } + +} + +template <typename T> +mln::image2d<T> +cells2image(const mln::image2d<T>& input) +{ + mln::image2d<T> output((input.nrows() + 1) / 2, + (input.ncols() + 1) / 2); + for (int row = 0; row < input.nrows(); row += 2) + for (int col = 0; col < input.ncols(); col += 2) + output.at(row / 2, col / 2) = input.at(row, col); + return output; +} + + + + +template <typename I> +mln_concrete(I) +do_it(I& input, float lambda, unsigned& nbasins) +{ + using namespace mln; + + /**************************/ + /* Neighborhood defintion */ + /**************************/ + + // e2c + bool e2c_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + bool e2c_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + mln_VAR( e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v) ); + + // e2e + bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + mln_VAR( e2e, make::double_neighb2d(is_row_odd, e2e_h, e2e_v) ); + + // e2p + bool e2p_h[] = { 1, 0, 1, + 0, 0, 0, + 1, 0, 1 }; + bool e2p_v[] = { 1, 0, 1, + 0, 0, 0, + 1, 0, 1 }; + mln_VAR( e2p, make::double_neighb2d(is_row_odd, e2p_h, e2p_v) ); + + /******************/ + /* Initialisation */ + /******************/ + + I output = mean(image2cells(input), e2c, e2p); + io::ppm::save(output, "tmp_input.ppm"); + //image2d<value::int_u8> ima = convert_to_grey(output); + image2d<value::int_u8> imau = convert_to_grey(output); + io::pgm::save(imau, "tmp_grey_input.pgm"); + + image2d<float> ima(exact(imau).domain()); + + // cell + mln_VAR(cell, imau | is_cell); + + // edge + mln_VAR(edge, extend((imau | is_edge).rw(), pw::value(imau))); + + // FIXME until laplacian is working use gradient / closing_area / wst + + linear::gaussian_2nd_derivative(imau, lambda, ima); + + mln_piter(edge_t) p(edge.domain()); + for_all(p) + { + if (is_row_odd(p)) + { + mln_value(image2d<float>) t = ima.at(p.row() - 1, p.col()); + mln_value(image2d<float>) b = ima.at(p.row() + 1, p.col()); + if ((t > 0 && b < 0) || (t < 0 && b > 0)) + output(p) = value::rgb8(255,0,0); + } + else + { + mln_value(image2d<float>) r = ima.at(p.row(), p.col() - 1); + mln_value(image2d<float>) d = ima.at(p.row(), p.col() + 1); + if ((r > 0 && d < 0) || (r < 0 && d > 0)) + output(p) = value::rgb8(255,0,0); + } + } + +#if 0 + level::paste(morpho::gradient(edge, e2c), edge); + level::paste(morpho::closing_volume(edge, e2e, lambda), edge); + level::fill(edge, morpho::meyer_wst(edge, e2e, nbasins)); + + // Fill regions (with colorize) (won't work with laplacian...) + + colorize colors(nbasins); + + image2d<value::rgb8> cells(ima.domain()); + level::fill(cells, literal::white); + level::paste(level::transform(edge, colors), cells); + io::ppm::save(display_edge_with_bg(cells, 3, literal::white), "tmp_edge.ppm"); + + // Move the color of an edge which is non black in the cell + level::paste(morpho::dilation(cells, c4()), cells); +#endif + + //cells = convert_to_rgb8(ima); + + return output; +} + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pgm lambda output.ppm" << std::endl; + std::cerr << " lambda >= 0" << std::endl; + abort(); +} + +int main(int argc, char* argv[]) +{ + using namespace mln; + + if (argc != 4) + usage(argv); + + float lambda = atof(argv[2]); + if (lambda < 0) + usage(argv); + + image2d<value::rgb8> ima; + io::ppm::load(ima, argv[1]); + + unsigned nbasins; + image2d<value::rgb8> output = do_it(ima, lambda, nbasins); + + io::ppm::save(display_edge(output, 3), argv[3]); +} Index: ballas/color/min_tree_area_filter.cc --- ballas/color/min_tree_area_filter.cc (revision 0) +++ ballas/color/min_tree_area_filter.cc (revision 0) @@ -0,0 +1,505 @@ +# include <mln/core/var.hh> + +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image_if.hh> +# include <mln/core/image/extended.hh> +# include <mln/core/routine/extend.hh> + +# include <mln/core/alias/window2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/core/site_set/p_centered.hh> + +# include <mln/literal/origin.hh> +# include <mln/literal/black.hh> +# include <mln/literal/white.hh> + +# include <mln/value/int_u8.hh> +# include <mln/value/int_u16.hh> +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> + +# include <mln/value/rgb8.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +# include <mln/accu/min_max.hh> + +# include <mln/fun/i2v/array.hh> +# include <mln/fun/p2v/iota.hh> + +# include <mln/level/paste.hh> +# include <mln/level/fill.hh> +# include <mln/level/transform.hh> +# include <mln/extension/fill.hh> + +# include <mln/morpho/meyer_wst.hh> +# include <mln/morpho/closing_area.hh> + +# include <mln/debug/println.hh> + +# include "src/distance.hh" + +namespace mln +{ + template <typename I, typename N, typename Ic, typename Nc> + struct min_tree_ + { + typedef mln_site(I) point; + typedef p_array<point> S; + + // in: + const I& f; + const N& nbh; + const Ic& ref; + const Nc& nbhc; + + // aux: + S s; + mln_ch_value(I, bool) deja_vu; + mln_ch_value(I, point) parent; + mln_ch_value(I, bool) resp; + mln_ch_value(I, point) zpar; + + // attached data: + int lambda; + mln_ch_value(I, int) area; + //mln_ch_value(Ic, value::rgb8) values; + //initialize(values, ref); + //mln_ch_value(I, int) comp; + + min_tree_(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) + : f(f), + nbh(nbh), + ref(ref), + nbhc(nbhc), + lambda(lambda) + { + run(); + } + + void run() + { + // init + { + initialize(deja_vu, f); + initialize(parent, f); + initialize(resp, f); + initialize(zpar, f); + initialize(area, f); + //initialize(comp, f); + + mln::level::fill(deja_vu, false); + //mln::level::fill(resp, false); + mln::level::fill(area, 0); + + s = level::sort_psites_increasing(f); + } + + // first pass + { + mln_fwd_piter(S) p(s); + mln_niter(N) n(nbh, p); + for_all(p) + { + make_set(p); + for_all(n) + if (f.has(n) && deja_vu(n)) + do_union(n, p); + deja_vu(p) = true; + } + } + + // second pass: canonization + { + mln_bkd_piter(S) p(s); + for_all(p) + { + point q = parent(p); + if (f(parent(q)) == f(q)) + { + parent(p) = parent(q); + resp(q) = false; + } + } + } + + // third pass: Merging region with area < lambda + { + mln_fwd_piter(S) p(s); + for_all(p) + { + if (resp(p) && area(p) < lambda) + { + resp(p) = false; + update_data(parent(p), area(p)); + } + } + } + } // end of run() + + void make_set(const point& p) + { + parent(p) = p; + zpar(p) = p; + init_data(p); + } + + void set_parent(const point& r, const point& p) + { + parent(r) = p; + merge_data(r, p); + } + + bool is_root(const point& p) const + { + return parent(p) == p; + } + + bool is_node(const point& p) const + { + //return is_root(p) || f(parent(p)) != f(p); + return (is_root(p) || resp(p)); + } + + point find_root(const point& x) + { + if (zpar(x) == x) + return x; + else + return zpar(x) = find_root(zpar(x)); + } + + point find_representative(const point& x) + { + if (parent(x) == x || resp(x)) + return x; + else + return find_representative(parent(x)); + } + + void do_union(const point& n, const point& p) + { + point r = find_root(n); + if (r != p) + { + set_parent(r, p); + zpar(r) = p; + } + } + + void init_data(const point& p) + { + area(p) = 1; + resp(p) = true; + } + + void merge_data(const point& r, const point& p) + { + if (f(p) == f(r)) + { + resp(p) = false; + area(p) += area(r); + } + } + + void update_data(const point& p, int val) + { + area(p) += val; + if (parent(p) != p && !resp(p)) + update_data(parent(p), val); + } + + }; +} + +namespace mln +{ + image2d<value::int_u16> convert_to_grey(const image2d<value::rgb8>& data) + { + image2d<value::int_u16> output(data.domain()); + mln_piter_(image2d<value::int_u16>) p(output.domain()); + for_all(p) + output(p) = (int) (data(p).red() * 0.3 + data(p).green() * 0.58 + data(p).blue()) * 0.12; + return output; + } +} // end of mln + +namespace mln +{ + + struct colorize : Function_v2v< colorize > + { + typedef value::rgb8 result; + colorize(unsigned max) + : lut(max + 1) + { + lut[0] = literal::black; + for (unsigned i = 1; i <= max; ++i) + lut[i] = result(100 + std::rand() % 150, + 100 + std::rand() % 150, + 100 + std::rand() % 150); + } + result operator()(unsigned i) const + { + return lut[i]; + } + std::vector<result> lut; + }; + + template <typename I> + I display_edge(const I& ima, mln_value(I) bg, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + level::fill(output, bg); + + mln_VAR(edge, ima | is_edge); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + template <typename I> + I display_edge(const I& ima, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + + mln_VAR( cell, ima | is_cell ); + mln_piter(cell_t) q(cell.domain()); + for_all(q) + { + unsigned row = (q.row() / 2) * (zoom + 1); + unsigned col = (q.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + for (unsigned j = 0; j < zoom; ++j) + output.at(row + i, col + j) = ima(q); + } + + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + + namespace morpho + { + + template <typename I, typename N> + mln_concrete(I) + dilation(const I& input, const N& nbh) + { + typedef mln_value(I) V; + + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + for_all(n) + if (input.has(n) && input(n) != value::rgb8(0,0,0)) + output(p) = input(n); + } + return output; + } + } // mln::morpho + + +} // mln + + + +template <typename T> +mln::image2d<T> +image2cells(const mln::image2d<T>& input) +{ + mln::image2d<T> output(2 * input.nrows() - 1, + 2 * input.ncols() - 1); + for (unsigned row = 0; row < input.nrows(); ++row) + for (unsigned col = 0; col < input.ncols(); ++col) + output.at(2 * row, 2 * col) = input.at(row, col); + return output; +} + + +template <typename T> +mln::image2d<T> +cells2image(const mln::image2d<T>& input) +{ + mln::image2d<T> output((input.nrows() + 1) / 2, + (input.ncols() + 1) / 2); + for (unsigned row = 0; row < input.nrows(); row += 2) + for (unsigned col = 0; col < input.ncols(); col += 2) + output.at(row / 2, col / 2) = input.at(row, col); + return output; +} + + +template <typename I, typename N, typename Ic, typename Nc> +unsigned min_tree(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) +{ + using namespace mln; + + min_tree_<I,N,Ic,Nc> run(f, nbh, ref, nbhc, lambda); + + + mln_piter(I) p(f.domain()); + unsigned nnodes = 0; + for_all(p) + { + if (run.is_node(p)) + { + std::cout << "nodes: " << p << std::endl; + ++nnodes; + } + } + + colorize colors(nnodes); + image2d<value::rgb8> tmp(ref.domain()); + level::fill(tmp, ref); + + mln_piter(I) q(f.domain()); + unsigned int i = 0; + for_all(q) + { + if (run.is_node(q)) + { + tmp(q) = colors(i); + i++; + } + } + mln_piter(I) r(f.domain()); + for_all(r) + { + if (!run.is_node(r)) + { + tmp(r) = tmp(run.find_representative(r)); + } + } + + + image2d<value::rgb8> to_display(tmp.domain()); + + level::fill(to_display, value::rgb8(255, 255, 255)); + level::paste((tmp | is_edge), to_display); + level::paste(morpho::dilation(to_display, c4()), to_display); + + io::ppm::save(display_edge(tmp, literal::white, 3), + "edge.ppm"); + io::ppm::save(tmp, "full.ppm"); + io::ppm::save(cells2image(to_display), "colorize.ppm"); + + return nnodes; +} + + +template <typename I> +I +do_it(I& input, int lambda, unsigned& nbasins) +{ + using namespace mln; + + /// Graph creation + I graph; + create_graph(input, graph, value::rgb8(0, 0, 0)); + + // Initialization + image2d<value::int_u16> ima = convert_to_grey(graph); + + // Neigbhorhood + // e2c + bool e2c_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + bool e2c_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + + mln_VAR(e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v)); + + bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + + bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + mln_VAR(e2e, make::double_neighb2d(is_row_odd, e2e_h, e2e_v)); + + // Algorithm + distance(extend((graph | is_edge).rw(), pw::value(graph)), e2c, ima); + io::pgm::save(ima, "edge.pgm"); + + nbasins = min_tree((ima | is_edge), e2e, graph, e2c, lambda); + + return graph; +} + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pgm lambda" << std::endl; + std::cerr << " lambda >= 0" << std::endl; + abort(); +} + +int main(int argc, char* argv[]) +{ + using namespace mln; + + if (argc != 3) + usage(argv); + + int lambda = atoi(argv[2]); + if (lambda < 0) + usage(argv); + + image2d<value::rgb8> ima; + io::ppm::load(ima, argv[1]); + + unsigned nbasins; + image2d<value::rgb8> output = do_it(ima, lambda, nbasins); + + //io::ppm::save(output, argv[3]); +} Index: ballas/color/min_tree_color.cc --- ballas/color/min_tree_color.cc (revision 0) +++ ballas/color/min_tree_color.cc (revision 0) @@ -0,0 +1,525 @@ +# include <mln/core/var.hh> + +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image_if.hh> +# include <mln/core/image/extended.hh> +# include <mln/core/routine/extend.hh> + +# include <mln/core/alias/window2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/core/site_set/p_centered.hh> + +# include <mln/literal/origin.hh> +# include <mln/literal/black.hh> +# include <mln/literal/white.hh> + +# include <mln/value/int_u8.hh> +# include <mln/value/int_u16.hh> +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> + +# include <mln/value/rgb8.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +# include <mln/accu/min_max.hh> + +# include <mln/fun/i2v/array.hh> +# include <mln/fun/p2v/iota.hh> + +# include <mln/level/paste.hh> +# include <mln/level/fill.hh> +# include <mln/level/transform.hh> +# include <mln/extension/fill.hh> + +# include <mln/morpho/closing_area.hh> + + +# include <mln/debug/println.hh> + +# include "src/distance.hh" + +namespace mln +{ + template <typename I, typename N, typename Ic, typename Nc> + struct min_tree_ + { + typedef mln_site(I) point; + typedef p_array<point> S; + + // in: + const I& f; + const N& nbh; + const Ic& ref; + const Nc& nbhc; + + // aux: + S s; + mln_ch_value(I, bool) deja_vu; + mln_ch_value(I, point) parent; + mln_ch_value(I, bool) resp; + mln_ch_value(I, point) zpar; + + // attached data: + unsigned lambda; + mln_ch_value(I, value::rgb8) color; + //mln_ch_value(Ic, value::rgb8) values; + //initialize(values, ref); + //mln_ch_value(I, int) comp; + + min_tree_(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) + : f(f), + nbh(nbh), + ref(ref), + nbhc(nbhc), + lambda(lambda) + { + run(); + } + + void run() + { + // init + { + initialize(deja_vu, f); + initialize(parent, f); + initialize(resp, f); + initialize(zpar, f); + initialize(color, f); + //initialize(comp, f); + + mln::level::fill(deja_vu, false); + //mln::level::fill(resp, false); + mln::level::fill(color, value::rgb8(0, 0, 0)); + + s = level::sort_psites_increasing(f); + } + + // first pass + { + mln_fwd_piter(S) p(s); + mln_niter(N) n(nbh, p); + for_all(p) + { + make_set(p); + for_all(n) + if (f.has(n) && deja_vu(n)) + do_union(n, p); + deja_vu(p) = true; + } + } + + // second pass: canonization + { + mln_bkd_piter(S) p(s); + for_all(p) + { + point q = parent(p); + if (f(parent(q)) == f(q)) + { + parent(p) = parent(q); + resp(q) = false; + } + } + } + + // third pass: Merging region with distance(color) < lambda + { + mln_fwd_piter(S) p(s); + for_all(p) + { + point q = parent(p); + if (resp(p) && distance(color(p), color(q)) < lambda) + { + resp(p) = false; + update_data(q, color(p)); + } + } + } + + } // end of run() + + void make_set(const point& p) + { + parent(p) = p; + zpar(p) = p; + init_data(p); + } + + void set_parent(const point& r, const point& p) + { + parent(r) = p; + merge_data(r, p); + } + + bool is_root(const point& p) const + { + return parent(p) == p; + } + + bool is_node(const point& p) const + { + //return is_root(p) || f(parent(p)) != f(p); + return (is_root(p) || resp(p)); + } + + point find_root(const point& x) + { + if (zpar(x) == x) + return x; + else + return zpar(x) = find_root(zpar(x)); + } + + point find_representative(const point& x) + { + if (parent(x) == x || resp(x)) + return x; + else + return find_representative(parent(x)); + } + + void do_union(const point& n, const point& p) + { + point r = find_root(n); + if (r != p) + { + set_parent(r, p); + zpar(r) = p; + } + } + + void init_data(const point& p) + { + int red =0, green = 0, blue = 0; + + mln_niter(Nc) n(nbhc, p); + for_all(n) + { + red += ref(n).red(); + green += ref(n).green(); + blue += ref(n).blue(); + } + + red /= 2; + green /= 2; + blue /= 2; + + color(p).red() = red; + color(p).green() = green; + color(p).blue() = blue; + + resp(p) = true; + } + + void merge_data(const point& r, const point& p) + { + if (f(p) == f(r)) + { + resp(p) = false; + color(r) = (color(r) + color(p)) / 2; + } + } + + void update_data(const point& p, value::rgb8 val) + { + color(p) = (color(p) + val) / 2; + if (parent(p) != p && !resp(p)) + update_data(parent(p), color(p)); + } + + }; +} + +namespace mln +{ + image2d<value::int_u16> convert_to_grey(const image2d<value::rgb8>& data) + { + image2d<value::int_u16> output(data.domain()); + mln_piter_(image2d<value::int_u16>) p(output.domain()); + for_all(p) + output(p) = (int) (data(p).red() * 0.3 + data(p).green() * 0.58 + data(p).blue()) * 0.12; + return output; + } +} // end of mln + +namespace mln +{ + + struct colorize : Function_v2v< colorize > + { + typedef value::rgb8 result; + colorize(unsigned max) + : lut(max + 1) + { + lut[0] = literal::black; + for (unsigned i = 1; i <= max; ++i) + lut[i] = result(100 + std::rand() % 150, + 100 + std::rand() % 150, + 100 + std::rand() % 150); + } + result operator()(unsigned i) const + { + return lut[i]; + } + std::vector<result> lut; + }; + + template <typename I> + I display_edge(const I& ima, mln_value(I) bg, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + level::fill(output, bg); + + mln_VAR(edge, ima | is_edge); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + template <typename I> + I display_edge(const I& ima, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + + mln_VAR( cell, ima | is_cell ); + mln_piter(cell_t) q(cell.domain()); + for_all(q) + { + unsigned row = (q.row() / 2) * (zoom + 1); + unsigned col = (q.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + for (unsigned j = 0; j < zoom; ++j) + output.at(row + i, col + j) = ima(q); + } + + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + + + namespace morpho + { + + template <typename I, typename N> + mln_concrete(I) + dilation(const I& input, const N& nbh) + { + typedef mln_value(I) V; + + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + for_all(n) + if (input.has(n) && input(n) != value::rgb8(0,0,0)) + output(p) = input(n); + } + return output; + } + } // mln::morpho + +} // mln + + + +template <typename T> +mln::image2d<T> +image2cells(const mln::image2d<T>& input) +{ + mln::image2d<T> output(2 * input.nrows() - 1, + 2 * input.ncols() - 1); + for (unsigned row = 0; row < input.nrows(); ++row) + for (unsigned col = 0; col < input.ncols(); ++col) + output.at(2 * row, 2 * col) = input.at(row, col); + return output; +} + + +template <typename T> +mln::image2d<T> +cells2image(const mln::image2d<T>& input) +{ + mln::image2d<T> output((input.nrows() + 1) / 2, + (input.ncols() + 1) / 2); + for (unsigned row = 0; row < input.nrows(); row += 2) + for (unsigned col = 0; col < input.ncols(); col += 2) + output.at(row / 2, col / 2) = input.at(row, col); + return output; +} + + +template <typename I, typename N, typename Ic, typename Nc> +unsigned min_tree(const I& f, const N& nbh, const Ic& ref, const Nc& nbhc, + int lambda) +{ + using namespace mln; + + min_tree_<I,N,Ic,Nc> run(f, nbh, ref, nbhc, lambda); + + + mln_piter(I) p(f.domain()); + unsigned nnodes = 0; + for_all(p) + { + if (run.is_node(p)) + ++nnodes; + } + +#if 1 + colorize colors(nnodes); + image2d<value::rgb8> tmp(ref.domain()); + level::fill(tmp, ref); + + + mln_piter(I) q(f.domain()); + unsigned int i = 0; + for_all(q) + { + if (run.is_node(q)) + { + tmp(q) = colors(i); + i++; + } + } + mln_piter(I) r(f.domain()); + for_all(r) + { + if (!run.is_node(r)) + tmp(r) = tmp(run.find_representative(r)); + } + + image2d<value::rgb8> to_display(tmp.domain()); + + level::fill(to_display, value::rgb8(255, 255, 255)); + level::paste((tmp | is_edge), to_display); + level::paste(morpho::dilation(to_display, c4()), to_display); + + io::ppm::save(display_edge(tmp, literal::white, 3), + "edge.ppm"); + io::ppm::save(tmp, "full.ppm"); + io::ppm::save(cells2image(to_display), "colorize.ppm"); +#endif + +#if 1 + // io::ppm::save(display_edge(run.values, literal::white, 3), "tmp_tree_colored.pgm"); +#endif + + return nnodes; +} + + +template <typename I> +I +do_it(I& input, int lambda, unsigned& nbasins) +{ + using namespace mln; + + /// Graph creation + I graph; + create_graph(input, graph, value::rgb8(0, 0, 0)); + + // Initialization + image2d<value::int_u16> ima = convert_to_grey(graph); + + // Neigbhorhood + // e2c + bool e2c_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + bool e2c_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + + mln_VAR(e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v)); + + bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + + bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + mln_VAR(e2e, make::double_neighb2d(is_row_odd, e2e_h, e2e_v)); + + // Algorithm + distance(extend((graph | is_edge).rw(), pw::value(graph)), e2c, ima); + + io::pgm::save(ima, "edge.pgm"); + + nbasins = min_tree((ima | is_edge), e2e, graph, e2c, lambda); + + return graph; +} + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pgm lambda" << std::endl; + std::cerr << " lambda >= 0" << std::endl; + abort(); +} + +int main(int argc, char* argv[]) +{ + using namespace mln; + + if (argc != 3) + usage(argv); + + int lambda = atoi(argv[2]); + if (lambda < 0) + usage(argv); + + image2d<value::rgb8> ima; + io::ppm::load(ima, argv[1]); + + unsigned nbasins; + image2d<value::rgb8> output = do_it(ima, lambda, nbasins); + + //io::ppm::save(output, argv[3]); +} Index: ballas/color/reference2.cc --- ballas/color/reference2.cc (revision 0) +++ ballas/color/reference2.cc (revision 0) @@ -0,0 +1,406 @@ +# include <mln/core/var.hh> + +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image_if.hh> +# include <mln/core/image/extended.hh> +# include <mln/core/routine/extend.hh> + +# include <mln/core/alias/window2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/core/site_set/p_centered.hh> + +# include <mln/literal/origin.hh> +# include <mln/literal/black.hh> +# include <mln/literal/white.hh> + +# include <mln/value/int_u8.hh> +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> + +# include <mln/value/rgb8.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +# include <mln/accu/min_max.hh> +# include <mln/accu/mean.hh> + +# include <mln/fun/i2v/array.hh> +# include <mln/fun/p2v/iota.hh> + +# include <mln/level/paste.hh> +# include <mln/level/fill.hh> +# include <mln/level/transform.hh> +# include <mln/extension/fill.hh> + +# include <mln/morpho/meyer_wst.hh> +# include <mln/morpho/closing_volume.hh> + +# include <mln/linear/convolve.hh> +# include <mln/make/w_window2d.hh> + +# include <mln/debug/println.hh> + +namespace mln +{ + namespace morpho + { + template <typename I, typename N> + mln_concrete(I) + closing_volume(const I& input, const Neighborhood<N>& nbh, std::size_t lambda) + { + mln_concrete(I) output; + initialize(output, input); + closing_volume(input, nbh, lambda, output); + return output; + } + } +} + +namespace mln +{ + template <typename I, typename O> + void + LoG_17x17(const I& input, const O& output) + { + mln_precondition(exact(output).domain() == exact(input).domain()); + int ws[] = { +0, 0, 0, 0, 0, 0,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 0, + +0, 0, 0, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0, 0, + +0, 0,-1,-1,-1,-2,-3,-3,-3,-3,-3,-2,-1,-1,-1, 0, 0, + +0, 0,-1,-1,-2,-3,-3,-3,-3,-3,-3,-3,-2,-1,-1, 0, 0, + +0,-1,-1,-2,-3,-3,-3,-2,-3,-2,-3,-3,-3,-2,-1,-1, 0, + +0,-1,-2,-3,-3,-3, 0, 2, 4, 2, 0,-3,-3,-3,-2,-1, 0, + -1,-1,-3,-3,-3, 0, 4,10,12,10, 4, 0,-3,-3,-3,-1,-1, + -1,-1,-3,-3,-2, 2,10,18,21,18,10, 2,-2,-3,-3,-1,-1, + -1,-1,-3,-3,-3, 4,12,21,24,21,12, 4,-3,-3,-3,-1,-1, + -1,-1,-3,-3,-2, 2,10,18,21,18,10, 2,-2,-3,-3,-1,-1, + -1,-1,-3,-3,-3, 0, 4,10,12,10, 4, 0,-3,-3,-3,-1,-1, + +0,-1,-2,-3,-3,-3, 0, 2, 4, 2, 0,-3,-3,-3,-2,-1, 0, + +0,-1,-1,-2,-3,-3,-3,-2,-3,-2,-3,-3,-3,-2,-1,-1, 0, + +0, 0,-1,-1,-2,-3,-3,-3,-3,-3,-3,-3,-2,-1,-1, 0, 0, + +0, 0,-1,-1,-1,-2,-3,-3,-3,-3,-3,-2,-1,-1,-1, 0, 0, + +0, 0, 0, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0, 0, + +0, 0, 0, 0, 0, 0,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 0 }; + linear::convolve(input, make::w_window2d(ws), output); + } +} // !mln + +namespace mln +{ + image2d<value::int_u8> convert_to_grey(const image2d<value::rgb8>& data) + { + image2d<value::int_u8> output(data.domain()); + mln_piter_(image2d<value::int_u8>) p(output.domain()); + for_all(p) + output(p) = (int) (data(p).red() * 0.3 + data(p).green() * 0.58 + data(p).blue()) * 0.12; + return output; + } +} // !mln + +// Functions + +inline +bool is_row_odd(const mln::point2d& p) +{ + return p.row() % 2; +} + +inline +bool is_cell(const mln::point2d& p) +{ + return p.row() % 2 == 0 && p.col() % 2 == 0; +} + +inline +bool is_edge(const mln::point2d& p) +{ + return p.row() % 2 + p.col() % 2 == 1; +} + +inline +bool is_point(const mln::point2d& p) +{ + return p.row() % 2 && p.col() % 2; +} + +inline +bool is_not_edge(const mln::point2d& p) +{ + return ! is_edge(p); +} + + + +namespace mln +{ + + namespace border + { + + template <typename I> + void + fill(I& ima, const mln_value(I)& v) + { + const int nrows = ima.nrows(); + const int ncols = ima.ncols(); + for (int r = -1; r <= nrows; ++r) + { + ima.at(r, -1) = v; + ima.at(r, ncols) = v; + } + for (int c = -1; c <= ncols; ++c) + { + ima.at(-1, c) = v; + ima.at(nrows, c) = v; + } + } + + } // mln::border + + namespace accu + { + + template <typename I, typename L, typename A, typename V> + inline + void + compute(const Image<I>& input_, + const Image<L>& label_, + const Accumulator<A>&, + V& v) + { + trace::entering("accu::compute"); + + const I& input = exact(input_); + const L& label = exact(label_); + + const unsigned n = v.size(); + std::vector<A> a(n); + + mln_piter(I) p(input.domain()); + for_all(p) + a[label(p)].take(input(p)); + + for (unsigned l = 1; l < n; ++l) + v(l) = a[l].to_result(); + + trace::exiting("accu::compute"); + } + + } // mln::accu + + namespace morpho + { + + template <typename I, typename N> + mln_concrete(I) + gradient(const I& input, const N& nbh) + { + mln_concrete(I) output; + initialize(output, input); + accu::min_max<mln_value(I)> mm; + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + mm.init(); + for_all(n) if (input.has(n)) + mm.take(input(n)); + output(p) = mm.second() - mm.first(); + } + return output; + } + + template <typename I, typename N> + mln_concrete(I) + dilation(const I& input, const N& nbh) + { + typedef mln_value(I) V; + + mln_concrete(I) output; + initialize(output, input); + + mln_piter(I) p(input.domain()); + mln_niter(N) n(nbh, p); + for_all(p) + { + for_all(n) + if (input.has(n) && input(n) != value::rgb8(0,0,0)) + output(p) = input(n); + } + return output; + } + } // mln::morpho + + + struct colorize : Function_v2v< colorize > + { + typedef value::rgb8 result; + colorize(unsigned max) + : lut(max + 1) + { + lut[0] = literal::black; + for (unsigned i = 1; i <= max; ++i) + lut[i] = result(100 + std::rand() % 150, + 100 + std::rand() % 150, + 100 + std::rand() % 150); + } + result operator()(unsigned i) const + { + return lut[i]; + } + std::vector<result> lut; + }; + + + template <typename I> + I display_edge(const I& ima, mln_value(I) bg, unsigned zoom) + { + unsigned nrows = ima.nrows() / 2 + 1; + unsigned ncols = ima.ncols() / 2 + 1; + I output(nrows * (zoom + 1) - 1, + ncols * (zoom + 1) - 1); + level::fill(output, bg); + mln_VAR( edge, ima | is_edge ); + mln_piter(edge_t) p(edge.domain()); + for_all(p) + if (p.row() % 2) // horizontal edge + { + unsigned row = (p.row() / 2 + 1) * (zoom + 1) - 1; + unsigned col = (p.col() / 2) * (zoom + 1); + for (unsigned i = 0; i < zoom; ++i) + output.at(row, col + i) = ima(p); + } + else // vertical edge + { + unsigned row = (p.row() / 2) * (zoom + 1); + unsigned col = (p.col() / 2 + 1) * (zoom + 1) - 1; + for (unsigned i = 0; i < zoom; ++i) + output.at(row + i, col) = ima(p); + } + return output; + } + +} // mln + + + +template <typename T> +mln::image2d<T> +image2cells(const mln::image2d<T>& input) +{ + mln::image2d<T> output(2 * input.nrows() - 1, + 2 * input.ncols() - 1); + for (int row = 0; row < input.nrows(); ++row) + for (int col = 0; col < input.ncols(); ++col) + output.at(2 * row, 2 * col) = input.at(row, col); + return output; +} + + +template <typename T> +mln::image2d<T> +cells2image(const mln::image2d<T>& input) +{ + mln::image2d<T> output((input.nrows() + 1) / 2, + (input.ncols() + 1) / 2); + for (int row = 0; row < input.nrows(); row += 2) + for (int col = 0; col < input.ncols(); col += 2) + output.at(row / 2, col / 2) = input.at(row, col); + return output; +} + + + + +template <typename I> +mln_concrete(I) +do_it(I& input, int lambda, unsigned& nbasins) +{ + using namespace mln; + + /******************/ + /* Initialisation */ + /******************/ + + image2d<value::int_u8> ima = image2cells(convert_to_grey(input)); + + /**************************/ + /* Neighborhood defintion */ + /**************************/ + + // e2c + bool e2c_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + bool e2c_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + mln_VAR( e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v) ); + + // e2e + bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + mln_VAR( e2e, make::double_neighb2d(is_row_odd, e2e_h, e2e_v) ); + + // cell + mln_VAR(cell, ima | is_cell); + + // edge + mln_VAR(edge, extend((ima | is_edge).rw(), pw::value(ima))); + + // FIXME until laplacian is working use gradient / closing_area / wst + + level::paste(morpho::gradient(edge, e2c), edge); + level::paste(morpho::closing_volume(edge, e2e, lambda), edge); + level::fill(edge, morpho::meyer_wst(edge, e2e, nbasins)); + + // Fill regions (with colorize) (won't work with laplacian...) + + colorize colors(nbasins); + + image2d<value::rgb8> cells(ima.domain()); + level::fill(cells, literal::white); + level::paste(level::transform(edge, colors), cells); + io::ppm::save(display_edge(cells, literal::white, 3), "tmp_edge.ppm"); + + // Move the color of an edge which is non black in the cell + level::paste(morpho::dilation(cells, c4()), cells); + + return cells2image(cells); +} + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pgm lambda output.ppm" << std::endl; + std::cerr << " lambda >= 0" << std::endl; + abort(); +} + +int main(int argc, char* argv[]) +{ + using namespace mln; + + if (argc != 4) + usage(argv); + + int lambda = atoi(argv[2]); + if (lambda < 0) + usage(argv); + + image2d<value::rgb8> ima; + io::ppm::load(ima, argv[1]); + + unsigned nbasins; + image2d<value::rgb8> output = do_it(ima, lambda, nbasins); + + io::ppm::save(output, argv[3]); +} Index: ballas/color/src/graph.hh --- ballas/color/src/graph.hh (revision 0) +++ ballas/color/src/graph.hh (revision 0) @@ -0,0 +1,61 @@ +/*! \file src/graph.hh + * + */ + +#ifndef SRC_GRAPH_HH +# define SRC_GRAPH_HH + +# include <mln/value/int_u8.hh> +# include <mln/value/int_u16.hh> +# include <mln/value/rgb8.hh> + +# include <mln/level/fill.hh> + +# include <mln/core/image/image2d.hh> + + +// Neighborhood functions +inline +bool is_row_odd(const mln::point2d& p) +{ + return p.row() % 2; +} +inline +bool is_cell(const mln::point2d& p) +{ + return p.row() % 2 == 0 && p.col() % 2 == 0; +} +inline +bool is_edge(const mln::point2d& p) +{ + return (p.row() % 2 + p.col() % 2) == 1; +} +inline +bool is_point(const mln::point2d& p) +{ + return p.row() % 2 && p.col() % 2; +} +inline +bool is_not_edge(const mln::point2d& p) +{ + return ! is_edge(p); +} + +// Graph image creation function +// FIXME: add exact conversion.... +// FIXME: check that the input image is in 2 dimension +template <typename I> +void +create_graph(const I& ima, I& graph, mln_value(I) val) +{ + graph = I(ima.nrows() * 2 -1, ima.ncols() * 2 - 1); + + mln::level::fill(graph, val); + + mln_piter(I) p(ima.domain()); + for_all(p) + graph.at(p.row() * 2, p.col() * 2) = ima(p); +} + + +#endif // !SRC_GRAPH_HH Index: ballas/color/src/io.hh --- ballas/color/src/io.hh (revision 0) +++ ballas/color/src/io.hh (revision 0) @@ -0,0 +1,57 @@ +/*! \file src/io.hh + * + * Contains various method to load/save an image + */ + +#ifndef SRC_IO_HH +# define SRC_IO_HH + +#include <mln/core/image/image2d.hh> + +#include <mln/value/int_u16.hh> +#include <mln/value/int_s16.hh> + +# include <mln/io/pgm/load.hh> +# include <mln/io/pgm/save.hh> +# include <mln/io/ppm/load.hh> +# include <mln/io/ppm/save.hh> + +namespace IO +{ + + template <typename I> + void load(I& ima, const std::string& file) + { + mln::io::ppm::load(ima, file); + } + + template <> + void load(mln::image2d<mln::value::int_u16>& ima, + const std::string& file) + { + mln::io::pgm::load(ima, file); + } + + template <typename I> + void save(I& ima, const std::string& file) + { + mln::io::ppm::save(ima, file); + } + + template <> + void save(mln::image2d<mln::value::int_u16>& ima, + const std::string& file) + { + mln::io::pgm::save(ima, file); + } + + template <> + void save(mln::image2d<mln::value::int_s16>& ima, + const std::string& file) + { + mln::io::pgm::save(ima, file); + } + +} // !IO + +#endif // !SRC_IO_HH Index: ballas/color/src/distance.hh --- ballas/color/src/distance.hh (revision 0) +++ ballas/color/src/distance.hh (revision 0) @@ -0,0 +1,52 @@ +/*! \file src/distance.hh + * + */ + +#ifndef SRC_DISTANCE_HH +# define SRC_DISTANCE_HH + +# include "graph.hh" + +# include <cmath> + + +/// Manhatan distance +inline +unsigned distance(const mln::value::rgb8& lhs, + const mln::value::rgb8& rhs) +{ + return abs(lhs.red() - rhs.red()) + + abs(lhs.green() - rhs.green()) + + abs(lhs.blue() - rhs.blue()); +} + + +/// Store the distance between two points on edge +/// FIXME documentation +template <typename I, typename N, typename O> +void distance(const I& rgb_graph, + const N& nbh, + O& gl_graph) +{ + mln_piter(I) p(rgb_graph.domain()); + mln_niter(N) n(nbh, p); + + for_all(p) + { + mln::value::rgb8 v1; + mln::value::rgb8 v2; + + n.start(); + assert(n.is_valid() && rgb_graph.has(n)); + v1 = rgb_graph(n); + n.next(); + assert(n.is_valid() && rgb_graph.has(n)); + v2 = rgb_graph(n); + + gl_graph(p) = distance(v1, v2); + } +} + + + +#endif // !SRC_DISTANCE_HH Index: ballas/color/src/convert.hh --- ballas/color/src/convert.hh (revision 0) +++ ballas/color/src/convert.hh (revision 0) @@ -0,0 +1,37 @@ +/*! \file src/convert.hh + * + * Method that convert an rgb image 2d into gray level + */ + +#ifndef SRC_CONVERT_HH +# define SRC_CONVERT_HH + +# include <mln/value/int_u8.hh> +# include <mln/value/int_u16.hh> +# include <mln/value/int_s16.hh> +# include <mln/value/rgb8.hh> + +# include <mln/core/image/image2d.hh> + +// Convert function +void convert_to_gl(mln::image2d<mln::value::int_u16>& ima, + const mln::image2d<mln::value::rgb8>& data) +{ + mln_piter_(mln::image2d<mln::value::int_u16>) p(ima.domain()); + for_all(p) + ima(p) = (int) (data(p).red() * 0.3 + + data(p).green() * 0.58 + + data(p).blue() * 0.12); +} + +void convert_to_gl(mln::image2d<mln::value::int_s16>& ima, + const mln::image2d<mln::value::rgb8>& data) +{ + mln_piter_(mln::image2d<mln::value::int_s16>) p(ima.domain()); + for_all(p) + ima(p) = (int) (data(p).red() * 0.3 + + data(p).green() * 0.58 + + data(p).blue() * 0.12); +} + +#endif // !SRC_CONVERT_HH Index: ballas/color/laplacien.cc --- ballas/color/laplacien.cc (revision 0) +++ ballas/color/laplacien.cc (revision 0) @@ -0,0 +1,129 @@ +#include <mln/core/image/image2d.hh> +#include <mln/core/image/image_if.hh> + +# include <mln/core/alias/neighb2d.hh> +# include <mln/make/double_neighb2d.hh> + +#include <mln/value/rgb8.hh> +#include <mln/value/int_u16.hh> +#include <mln/value/int_s16.hh> + +#include <mln/linear/gaussian.hh> +#include <mln/morpho/erosion.hh> + +#include <mln/core/var.hh> +#include <mln/debug/println.hh> + +#include "src/io.hh" +#include "src/graph.hh" +#include "src/convert.hh" + + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.ppm output.pgm" << std::endl; + abort(); +} + +/// FIXME Put these elsewhere +typedef mln::image2d<mln::value::rgb8> Icolor; +typedef mln::image2d<mln::value::int_u16> Igray; + +void process(Icolor& graph, const Icolor& input) +{ + using namespace mln; + + // Neighborhood definition + +// bool e2c_h[] = { 0, 1, 0, +// 0, 0, 0, +// 0, 1, 0 }; +// bool e2c_v[] = { 0, 0, 0, +// 1, 0, 1, +// 0, 0, 0 }; + +// bool e2e_h[] = { 0, 0, 1, 0, 0, +// 0, 1, 0, 1, 0, +// 0, 0, 0, 0, 0, +// 0, 1, 0, 1, 0, +// 0, 0, 1, 0, 0 }; +// bool e2e_v[] = { 0, 0, 0, 0, 0, +// 0, 1, 0, 1, 0, +// 1, 0, 0, 0, 1, +// 0, 1, 0, 1, 0, +// 0, 0, 0, 0, 0 }; + +// bool e2p_h[] = { 0, 0, 1, +// 0, 0, 0, +// 1, 0, 0 }; +// bool e2p_v[] = { 1, 0, 0, +// 0, 0, 0, +// 0, 0, 1 }; + //mln_VAR(e2c, make::double_neighb2d(is_row_odd, e2c_h, e2c_v)); + + + // convert the image into grey level + Igray gray_graph(graph.bbox()); + convert_to_gl(gray_graph, graph); + + Igray gray_input(input.bbox()); + convert_to_gl(gray_input, input); + + + //level::paste(morpho::dilation((gray_graph | is_cell), e2c.win()), gray_graph); +// Igray save(gray_graph.bbox()); +// level::paste(gray_graph | is_cell, save); +// IO::save(save, "tmp3.ppm"); + + // Create the laplacian image + //Igray laplacian(gray_input.bbox()); + image2d<int> laplacian(gray_input.bbox()); + linear::gaussian(gray_input, 2.0f, laplacian); + //IO::save(laplacian, "tmp1.ppm"); + linear::laplacian(gray_input, 2.0f, laplacian); + debug::println(laplacian); + //IO::save(laplacian, "tmp2.ppm"); + + // Display edge on the output images +// debug::println(laplacian); + +// mln_piter_(Igray) p(laplacian.domain()); +// for_all(p) +// if (laplacian(p) == 0u) +// { +// std::cout << "I'm here" << std::endl; +// graph.at(p.row() * 2, p.col() * 2) = value::rgb<8>(255, 0, 0); +// } + +} + + + +int main(int argc, char* argv[]) +{ + using namespace mln; + + // Initialisation + if (argc != 3) + usage(argv); + + std::string input_file(argv[1]); + std::string output_file(argv[2]); + + + Icolor input; + + // Load the image + IO::load(input, input_file); + + // create a graph image from the input + Icolor graph; + create_graph(input, graph); + + // Process + process(graph, input); + + + // Save + IO::save(graph, output_file); +}

1 0

milena r2770: Fix an include problem in mln/morpho
by Maxime van Noppen 03 Nov '08

03 Nov '08

From: Maxime van Noppen <yabo(a)lrde.epita.fr> To: olena-patches(a)lrde.epita.fr Subject: milena r2770: Fix an include problem in mln/morpho URL: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena ChangeLog: 2008-11-03 Maxime van Noppen <yabo(a)lrde.epita.fr> Fix an include problem in mln/morpho. * includes.hh: As erosion is used in dilation it must be included * before. Same for complementation. --- includes.hh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: branches/cleanup-2008/milena/mln/morpho/includes.hh =================================================================== --- branches/cleanup-2008/milena/mln/morpho/includes.hh (revision 2769) +++ branches/cleanup-2008/milena/mln/morpho/includes.hh (revision 2770) @@ -66,11 +66,11 @@ # include <mln/win/diff.hh> # include <mln/win/inter.hh> -# include <mln/morpho/dilation.hh> # include <mln/morpho/erosion.hh> +# include <mln/morpho/complementation.hh> +# include <mln/morpho/dilation.hh> # include <mln/morpho/min.hh> -# include <mln/morpho/complementation.hh> # include <mln/morpho/minus.hh> # include <mln/morpho/plus.hh>

1 0

cleanup-2008 2769: Hack morphological dilation so it is practicable.
by Thierry Geraud 03 Nov '08

03 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena Index: ChangeLog from Thierry Geraud <thierry.geraud(a)lrde.epita.fr> Hack morphological dilation so it is practicable. * tests/morpho/dilation.cc: Fix copyright. (neighb/image.hh): Fix missing guards for this include. * mln/morpho/dilation.hh (todo): New. Fix copyright. (impl): Remove all implementations; they were obsolete. (dilation_as_erosion_dual): New implementation. (dilation_tests, dilation_dispatch): New. mln/morpho/dilation.hh | 251 ++++++----------------------------------------- tests/morpho/dilation.cc | 9 + 2 files changed, 45 insertions(+), 215 deletions(-) Index: tests/morpho/dilation.cc --- tests/morpho/dilation.cc (revision 2768) +++ tests/morpho/dilation.cc (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -49,7 +50,13 @@ #include <mln/fun/ops.hh> #include <mln/core/alias/neighb2d.hh> + + /* FIXME: Re-enable these tests for Olena 1.1, when associated + neighborhoods (i.e., the neighb::image morpher) are supported and + shipped. */ +#if 0 #include <mln/neighb/image.hh> +#endif #include "tests/data.hh" Index: mln/morpho/dilation.hh --- mln/morpho/dilation.hh (revision 2768) +++ mln/morpho/dilation.hh (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -29,9 +30,10 @@ # define MLN_MORPHO_DILATION_HH /// \file mln/morpho/dilation.hh -/// \brief Morphological dilation. /// -/// \todo Activate the FIXMEs (border::adjust). +/// Morphological dilation. +/// +/// \todo Revamp. # include <mln/morpho/includes.hh> @@ -42,28 +44,9 @@ namespace morpho { - /// Morphological dilation using the neighborhood bound to an image. - /// - /// \{ - /* FIXME: Re-enable this routine for Olena 1.1, when associated - neighborhoods (i.e., the neighb::image morpher) are supported - and shipped. */ -#if 0 - /// Perform a morphological dilation of \a input using its - /// neighborhood and return the result. - /// - /// \pre \a input must be an image with a neighborhood. - template <typename I> - mln_concrete(I) - dilation(const Image<I>& input); - /// \} -#endif /// Morphological dilation using windows. /// - /// \todo Overload dilation_wrt_win for hline and vline and for fast - /// images. - /// /// \{ /// Perform a morphological dilation of \a input using \a win and /// return the result. @@ -74,223 +57,68 @@ -# ifndef MLN_INCLUDE_ONLY - - namespace impl - { - - /*---------------. - | Window-based. | - `---------------*/ - - // On function. - - template <typename I, typename W, typename O> - inline - void dilation_on_function(const Image<I>& input_, const Window<W>& win_, - Image<O>& output_) - { - const I& input = exact(input_); - const W& win = exact(win_); - O& output = exact(output_); - // FIXME: border::adjust(input, win.delta()); - extension::fill(input, mln_min(mln_value(I))); +# ifndef MLN_INCLUDE_ONLY - accu::max<mln_value(I)> max; + // Tests. - mln_piter(I) p(input.domain()); - mln_qiter(W) q(win, p); - for_all(p) + namespace internal { - max.init(); - for_all(q) if (input.has(q)) - max.take(input(q)); - output(p) = max.to_result(); - } - } - // On set. - - template <typename I, typename W, typename O> - inline - void dilation_on_set(const Image<I>& input_, const Window<W>& win_, - Image<O>& output_) + template <typename I, typename W> + void + dilation_tests(const Image<I>& input_, const Window<W>& win_) { const I& input = exact(input_); const W& win = exact(win_); - O& output = exact(output_); - - // FIXME: border::adjust(input, win.delta()); - extension::fill(input, false); - - level::fill(output, input); - - mln_piter(I) p(input.domain()); - mln_qiter(W) q(win, p); - for_all(p) - if (!input(p)) - for_all(q) if (input.has(q)) - if (input(q)) - { - output(p) = true; - break; + mln_precondition(input.has_data()); + // mln_precondition(win.is_valid()); + (void) input; + (void) win; } - } - - // ------------- // - // Dispatchers. // - // ------------- // + } // end of namespace mln::morpho::internal - // FIXME: Stage 3: dispatch w.r.t. speed property. - // ... + // Implementations. - /// Stage 2: dispatch w.r.t. the value kind. - /// \{ - - /// Binary => morphology on sets. - template <typename I, typename W, typename O> - inline - void dilation_wrt_value(trait::image::kind::logic, - const Image<I>& input, const Window<W>& win, - Image<O>& output) + namespace impl { - return impl::dilation_on_set(exact(input), exact(win), output); - } - /// Otherwise => morphology on functions. - template <typename I, typename W, typename O> - inline - void dilation_wrt_value(trait::image::kind::any, - const Image<I>& input, const Window<W>& win, - Image<O>& output) + template <typename I, typename W> + mln_concrete(I) + dilation_as_erosion_dual(const Image<I>& input, const Window<W>& win) { - return impl::dilation_on_function(exact(input), exact(win), output); - } - - // End of stage 2. - - /// \} + trace::entering("morpho::impl::dilation_as_erosion_dual"); + mln_concrete(I) output = morpho::erosion(morpho::complementation(input), + win); + morpho::complementation_inplace(output); - - /// Stage 1: dispatch w.r.t. the window type. - /// \{ - - /// Default case. - template <typename I, typename W, typename O> - inline - void dilation_wrt_win(const Image<I>& input, const Window<W>& win, - Image<O>& output) - { - // Perform stage 2: dispatch w.r.t. the value kind. - dilation_wrt_value(mln_trait_image_kind(I)(), exact(input), - exact(win), output); + trace::exiting("morpho::impl::dilation_as_erosion_dual"); + return output; } -# ifdef MLN_CORE_WIN_RECTANGLE2D_HH - - /// Rectangle window. - template <typename I, typename O> - inline - void dilation_wrt_win(const Image<I>& input, const win::rectangle2d& win, - Image<O>& output) - { - O temp(exact(output).domain()); - morpho::dilation(input, win::hline2d(win.width()), temp); - morpho::dilation(temp, win::vline2d(win.height()), output); - } + } // end of namespace mln::morpho::impl -# endif // MLN_CORE_WIN_RECTANGLE2D_HH -# ifdef MLN_CORE_WIN_OCTAGON2D_HH -# ifdef MLN_CORE_WIN_DIAG2D_HH -# ifdef MLN_CORE_WIN_BACKDIAG2D_HH + // Dispatch. - /// Octagon window. - template <typename I, typename O> - void dilation_wrt_win(const Image<I>& input, const win::octagon2d& win, - Image<O>& output) + namespace internal { - const unsigned len = win.length() / 3 + 1; - - O temp1(exact(output).domain()); - O temp2(exact(output).domain()); - morpho::dilation(input, win::hline2d(len), temp1); - morpho::dilation(temp1, win::vline2d(len), temp2); - morpho::dilation(temp2, win::diag2d(len), temp1); - morpho::dilation(temp1, win::backdiag2d(len), output); - } - -# endif // MLN_CORE_WIN_BACKDIAG2D_HH -# endif // MLN_CORE_WIN_DIAG2D_HH -# endif // MLN_CORE_WIN_OCTAGON2D_HH - // End of stage 1. - - /// \} - - - /*---------------------. - | Neighborhood-based. | - `---------------------*/ - - // FIXME: Disabled (see above). -#if 0 - /* FIXME: We might want to move this function into the body of - the facade (see at the bottom of the file. */ - // Sole case. Convert the neighborhood into a window, and - // delegate to the window-based implementation. - template <typename I, typename N, typename O> - inline - void dilation_wrt_nbh(const Image<I>& input, const Neighborhood<N>& nbh, - Image<O>& output) + template <typename I, typename W> + mln_concrete(I) + dilation_dispatch(const Image<I>& input, const Window<W>& win) { - /* FIXME: The following comment applies to every algorithm - having a neighborhood and a window flavor: move it - elsewhere. - - We solely depend on the neighborhood-to-window conversion - here. This means the conversion should be smart enough to - produce a working window, even in the case of a non - dpoint-set-based neighborhood. */ - dilation_wrt_win(input, nbh.win(), output); + return impl::dilation_as_erosion_dual(input, win); } -#endif - } // end of namespace mln::morpho::impl + } // end of namespace mln::morpho::internal - /*----------. - | Facades. | - `----------*/ - - // ----------------------------------------------- // - // Facade for neighborhood-based implementations. // - // ----------------------------------------------- // - - // FIXME: Disabled (see above). -#if 0 - template <typename I> - mln_concrete(I) - dilation(const Image<I>& input) - { - trace::entering("morpho::dilation"); - - metal::has_neighborhood<I>::check(); - typedef mln_neighb(I) neighb; - - mln_concrete(I) output; - initialize(output, input); - impl::dilation_wrt_nbh(input, exact(input).neighborhood(), output); - trace::exiting("morpho::dilation"); - return output; - } -#endif // ----------------------------------------- // // Facade for window-based implementations. // @@ -301,15 +129,10 @@ dilation(const Image<I>& input, const Window<W>& win) { trace::entering("morpho::dilation"); - mln_precondition(exact(input).has_data()); - mln_precondition(! exact(win).is_empty()); - mln_concrete(I) output; - initialize(output, input); - impl::dilation_wrt_win(input, exact(win), output); + internal::dilation_tests(input, win); + mln_concrete(I) output = internal::dilation_dispatch(input, win); - if (exact(win).is_centered()) - mln_postcondition(output >= input); trace::exiting("morpho::dilation"); return output; }

1 0

cleanup-2008 2768: Fix many little things in weighted window related stuff.
by Thierry Geraud 03 Nov '08

03 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena Index: ChangeLog from Thierry Geraud <thierry.geraud(a)lrde.epita.fr> Fix many little things in weighted window related stuff. * tests/core/alias/w_window1d_int.cc: Fix doc. * tests/core/alias/window1d.cc: Likewise. Remove echo on std::cout. * tests/core/alias/w_window3d_int.cc: Likewise. * tests/core/alias/window3d.cc: Likewise. * tests/core/alias/w_window2d_int.cc: Fix doc. * tests/core/alias/window2d.cc: Remove useless include. * mln/trait/image_from_grid.hh: Update doc style. * mln/core/concept/weighted_window.hh: Likewise. (sym): Fix sig in doc. (W): Rename this parameter as... (E): ...this to remain consistent with othe concept files. (is_empty, is_centered, delta): Move to... * mln/core/internal/weighted_window_base.hh: ...this new file. * mln/core/concept/object.hh: Include some more metal stuff. * mln/core/concept/window.hh (level::fill): Replace by plain code to supress dep. (internal::bbox_): Move this hack into... * mln/core/internal/geom_bbox.hh: ...this new file. Update include. * mln/core/w_window.hh (w_window): Update inheritance. * mln/core/internal/window_base.hh: Fix copyright. * mln/make/w_window2d.hh: Fix missing include. * mln/convert/to_image.hh: Likewise. (to_image): Fix sig in the Weighted_Window overload. mln/convert/to_image.hh | 11 + mln/core/concept/object.hh | 2 mln/core/concept/weighted_window.hh | 63 ++++------ mln/core/concept/window.hh | 39 +----- mln/core/internal/geom_bbox.hh | 75 ++++++++++++ mln/core/internal/weighted_window_base.hh | 178 ++++++++++++++++++++++++++++++ mln/core/internal/window_base.hh | 2 mln/core/w_window.hh | 57 ++------- mln/make/w_window2d.hh | 1 mln/trait/image_from_grid.hh | 12 +- tests/core/alias/w_window1d_int.cc | 5 tests/core/alias/w_window2d_int.cc | 8 - tests/core/alias/w_window3d_int.cc | 15 -- tests/core/alias/window1d.cc | 9 - tests/core/alias/window2d.cc | 1 tests/core/alias/window3d.cc | 14 -- 16 files changed, 339 insertions(+), 153 deletions(-) Index: tests/core/alias/w_window1d_int.cc --- tests/core/alias/w_window1d_int.cc (revision 2767) +++ tests/core/alias/w_window1d_int.cc (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -26,7 +27,7 @@ // Public License. /// \file tests/core/alias/w_window1d_int.cc -/// \brief Tests on mln::w_window1d_int. +/// Tests on mln::w_window1d_int. #include <mln/core/alias/w_window1d_int.hh> #include <mln/win/segment1d.hh> Index: tests/core/alias/window1d.cc --- tests/core/alias/window1d.cc (revision 2767) +++ tests/core/alias/window1d.cc (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007 EPITA Research and Development Laboratory +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -31,9 +32,7 @@ */ #include <mln/core/alias/window1d.hh> -#include <mln/core/image/image1d.hh> #include <mln/convert/to_image.hh> -#include <mln/debug/println.hh> @@ -46,14 +45,12 @@ mln_assertion(w.is_centered() == false); mln_assertion(w.is_symmetric() == true); - // FIXME: Does not compile as expected. + // As expected, the code below does not compile: // w.insert(-1,0); w.insert(-1); w.insert( 1); image1d<bool> ima = convert::to_image(w); - debug::println(ima); - mln_assertion(w.delta() == 1); } Index: tests/core/alias/w_window2d_int.cc --- tests/core/alias/w_window2d_int.cc (revision 2767) +++ tests/core/alias/w_window2d_int.cc (working copy) @@ -1,4 +1,5 @@ // Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -25,10 +26,9 @@ // reasons why the executable file might be covered by the GNU General // Public License. -/*! \file tests/core/alias/w_window2d_int.cc - * - * \brief Tests on mln::w_window2d_int. - */ +/// \file tests/core/alias/w_window2d_int.cc +/// +/// Tests on mln::w_window2d_int. #include <mln/core/alias/w_window2d_int.hh> #include <mln/win/rectangle2d.hh> Index: tests/core/alias/window2d.cc --- tests/core/alias/window2d.cc (revision 2767) +++ tests/core/alias/window2d.cc (working copy) @@ -31,7 +31,6 @@ /// Tests on mln::window2d. #include <mln/core/alias/window2d.hh> -#include <mln/core/image/image2d.hh> #include <mln/convert/to_image.hh> Index: tests/core/alias/w_window3d_int.cc --- tests/core/alias/w_window3d_int.cc (revision 2767) +++ tests/core/alias/w_window3d_int.cc (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007 EPITA Research and Development Laboratory +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -25,10 +26,9 @@ // reasons why the executable file might be covered by the GNU General // Public License. -/*! \file tests/core/alias/w_window3d_int.cc - * - * \brief Tests on mln::w_window3d_int. - */ +/// tests/core/alias/w_window3d_int.cc +/// +/// Tests on mln::w_window3d_int. #include <mln/core/alias/w_window3d_int.hh> #include <mln/win/cube3d.hh> @@ -38,8 +38,6 @@ #include <mln/convert/to_fun.hh> #include <mln/estim/sum.hh> -#include <mln/debug/println.hh> - int f(mln::point3d p) { @@ -64,8 +62,6 @@ w_window3d_int w_win = make::w_window3d(ws); image3d<int> ima = convert::to_image(w_win); - debug::println(ima); - std::cout << std::endl; w_window3d_int w_win_2 = convert::to<w_window3d_int>(ima); mln_assertion(w_win_2 == w_win); } @@ -77,7 +73,6 @@ // -2 -1 0 +1 +2 // -1 0 +1 +2 +3 image3d<int> ima = convert::to_image(w_win); - debug::println(ima); mln_assertion(estim::sum(ima) == 0); } Index: tests/core/alias/window3d.cc --- tests/core/alias/window3d.cc (revision 2767) +++ tests/core/alias/window3d.cc (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007 EPITA Research and Development Laboratory +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -31,10 +32,7 @@ */ #include <mln/core/alias/window3d.hh> -#include <mln/core/image/image3d.hh> #include <mln/convert/to_image.hh> -#include <mln/debug/println.hh> - int main() @@ -46,12 +44,10 @@ mln_assertion(w.is_centered() == false); mln_assertion(w.is_symmetric() == true); - w.insert(dpoint3d(-1, -1, -1)); - w.insert(dpoint3d( 1, 1, 1)); - w.insert(dpoint3d( 0, 0, 2)); + w.insert(-1, -1, -1); + w.insert( 1, 1, 1); + w.insert( 0, 0, 2); image3d<bool> ima = convert::to_image(w); - debug::println(ima); - mln_assertion(w.delta() == 2); } Index: mln/trait/image_from_grid.hh --- mln/trait/image_from_grid.hh (revision 2767) +++ mln/trait/image_from_grid.hh (working copy) @@ -1,4 +1,5 @@ // Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -28,10 +29,13 @@ #ifndef MLN_TRAIT_IMAGE_FROM_MESH_HH # define MLN_TRAIT_IMAGE_FROM_MESH_HH -/*! \file mln/trait/image_from_grid.hh - * - * \brief Definition of the "image from mesh" trait. - */ +/// \file mln/trait/image_from_grid.hh +/// +/// Definition of the "image from mesh" trait. +/// +/// This file shall not include the concrete image types it returns; +/// otherwise we get circular dependencies. As a consequence the user +/// shall include the appropriate image type she deals with. # include <mln/core/grids.hh> Index: mln/core/w_window.hh --- mln/core/w_window.hh (revision 2767) +++ mln/core/w_window.hh (working copy) @@ -37,7 +37,7 @@ # include <map> -# include <mln/core/concept/weighted_window.hh> +# include <mln/core/internal/weighted_window_base.hh> # include <mln/core/concept/image.hh> # include <mln/core/site_set/box.hh> # include <mln/core/window.hh> @@ -45,7 +45,6 @@ # include <mln/value/ops.hh> # include <mln/util/ord.hh> -# include <mln/level/fill.hh> # include <mln/geom/bbox.hh> // FIXME: We may have some dep trouble with this include. # include <mln/literal/zero.hh> # include <mln/convert/to.hh> @@ -63,7 +62,7 @@ { template <typename D, typename W> - struct window_< mln::w_window<D,W> > : window_<W> + struct window_< mln::w_window<D,W> > : window_< mln::window<D> > { // Same traits as its corresponding window. }; @@ -78,23 +77,15 @@ * the type of weights. */ template <typename D, typename W> - struct w_window : public Weighted_Window< w_window<D,W> > + struct w_window : public internal::weighted_window_base< mln::window<D>, + w_window<D,W> > { /// Dpsite associated type. typedef D dpsite; - /// Psite associated type. - typedef mln_psite(D) psite; - - /// Site associated type. - typedef mln_site(D) site; - /// Weight associated type. typedef W weight; - /// Window associated type. - typedef mln::window<D> window; - /// Site_Iterator type to browse (forward) the points of a generic w_window. typedef with_w_< dpsites_fwd_piter< w_window<D, W> >, W > fwd_qiter; @@ -118,12 +109,6 @@ const std::vector<W>& weights() const; - // Give the \p i-th delta-point. - const D& dp(unsigned i) const; - - /// Give the number of delta-points. - unsigned size() const; - /// Give access to the vector of delta-points. const std::vector<D>& std_vector() const; @@ -237,25 +222,6 @@ template <typename D, typename W> inline - const D& - w_window<D,W>::dp(unsigned i) const - { - mln_precondition(i < win_.size()); - mln_invariant(wei_.size() == win_.size()); - return win_.dp(i); - } - - template <typename D, typename W> - inline - unsigned - w_window<D,W>::size() const - { - mln_invariant(wei_.size() == win_.size()); - return win_.size(); - } - - template <typename D, typename W> - inline const std::vector<D>& w_window<D,W>::std_vector() const { @@ -344,9 +310,10 @@ mlc_converts_to(mln_value(I), W)::check(); const I& ima = exact(from_); to.clear(); + mln_value(I) zero = literal::zero; mln_piter(I) p(ima.domain()); for_all(p) - if (ima(p) != literal::zero) + if (ima(p) != zero) to.insert(ima(p), convert::to<D>(p)); } @@ -363,8 +330,13 @@ // mln_precondition(w_win.is_valid()); ima.init_(geom::bbox(w_win)); - level::fill(ima, literal::zero); - + { + // level::fill(ima, literal::zero) is: + mln_value(I) zero = literal::zero; + mln_piter(I) p(ima.domain()); + for_all(p) + ima(p) = zero; + } unsigned n = w_win.size(); for (unsigned i = 0; i < n; ++i) ima(convert::to<P>(w_win.dp(i))) = w_win.w(i); @@ -407,9 +379,10 @@ box<P> b(all_to(-s), all_to(+s)); mln_fwd_piter(box<P>) p(b); unsigned i = 0; + V zero = literal::zero; for_all(p) { - if (weight[i] != literal::zero) + if (weight[i] != zero) to.insert(weight[i], convert::to<D>(p)); ++i; } Index: mln/core/concept/weighted_window.hh --- mln/core/concept/weighted_window.hh (revision 2767) +++ mln/core/concept/weighted_window.hh (working copy) @@ -29,10 +29,11 @@ #ifndef MLN_CORE_CONCEPT_WEIGHTED_WINDOW_HH # define MLN_CORE_CONCEPT_WEIGHTED_WINDOW_HH -/*! \file mln/core/concept/weighted_window.hh - * - * \brief Definition of the concept of mln::Weighted_Window. - */ +/// \file mln/core/concept/weighted_window.hh +/// +/// Definition of the concept of mln::Weighted_Window. +/// +/// \todo Make ::sym() be optional. # include <mln/core/concept/object.hh> # include <mln/core/concept/iterator.hh> @@ -42,8 +43,9 @@ namespace mln { - // Fwd decl. - template <typename W> struct Weighted_Window; + // Forward declaration. + template <typename E> struct Weighted_Window; + // Weighted_Window category flag type. template <> @@ -59,8 +61,8 @@ * \see mln::doc::Weighted_Window for a complete documentation of * this class contents. */ - template <typename W> - struct Weighted_Window : public Object<W> + template <typename E> + struct Weighted_Window : public Object<E> { typedef Weighted_Window<void> category; @@ -74,29 +76,9 @@ typedef weight; typedef window; - E& sym(); + void sym(); */ - /// Test if the weighted window is empty; final method. - bool is_empty() const - { - return exact(this)->win().is_empty(); - } - - /// Test if the weighted window is centered; final method. - bool is_centered() const - { - return exact(this)->win().is_centered(); - } - - // FIXME: Remove because too ambiguous: bool is_symmetric() const - - /// Give the maximum coordinate gap. - unsigned delta() const - { - return exact(this)->win().delta(); - } - protected: Weighted_Window(); }; @@ -110,24 +92,27 @@ W operator-(const Weighted_Window<W>& rhs); + # ifndef MLN_INCLUDE_ONLY - template <typename W> + template <typename E> inline - Weighted_Window<W>::Weighted_Window() + Weighted_Window<E>::Weighted_Window() { - //typedef mln_psite(E) point; - //typedef mln_dpsite(E) dpoint; - typedef mln_weight(W) weight; - typedef mln_window(W) window; + typedef mln_site(E) site; + typedef mln_psite(E) psite; + typedef mln_dpsite(E) dpsite; + + typedef mln_weight(E) weight; + typedef mln_window(E) window; - typedef mln_fwd_qiter(W) fwd_qiter; - typedef mln_bkd_qiter(W) bkd_qiter; + typedef mln_fwd_qiter(E) fwd_qiter; + typedef mln_bkd_qiter(E) bkd_qiter; - void (W::*m1)() = & W::sym; + void (E::*m1)() = & E::sym; m1 = 0; - const window& (W::*m2)() const = & W::win; + const window& (E::*m2)() const = & E::win; m2 = 0; } Index: mln/core/concept/object.hh --- mln/core/concept/object.hh (revision 2767) +++ mln/core/concept/object.hh (working copy) @@ -47,6 +47,8 @@ # include <mln/metal/is_a.hh> # include <mln/metal/is.hh> # include <mln/metal/is_not.hh> +# include <mln/metal/equal.hh> +# include <mln/metal/not_equal.hh> # include <mln/metal/converts_to.hh> # include <mln/metal/ret.hh> # include <mln/metal/unqualif.hh> Index: mln/core/concept/window.hh --- mln/core/concept/window.hh (revision 2767) +++ mln/core/concept/window.hh (working copy) @@ -38,8 +38,6 @@ * * \todo The is_centered() method could also exist when the window is * not regular... - * - * \todo Remove hack. */ # include <mln/core/concept/object.hh> @@ -47,10 +45,7 @@ # include <mln/trait/windows.hh> # include <mln/core/site_set/p_array.hh> - -# include <mln/accu/bbox.hh> -# include <mln/literal/origin.hh> -# include <mln/level/fill.hh> +# include <mln/core/internal/geom_bbox.hh> // For use in convert::from_to. # include <mln/convert/from_to.hxx> @@ -307,27 +302,6 @@ namespace convert { - namespace internal - { - - - // FIXME: Hack to avoid including geom::bbox (circular - // dependency). - - template <typename W> - box<mln_psite(W)> bbox_(const Window<W>& win) - { - typedef mln_psite(W) P; - accu::bbox<P> b; - P O = literal::origin; - mln_qiter(W) q(exact(win), O); - for_all(q) - b.take(q); - return b; - } - - } - template <typename W, typename I> void from_to(const Window<W>& win_, Image<I>& ima_) @@ -343,9 +317,14 @@ // mln_precondition(win.is_valid()); mln_precondition(! ima.has_data()); - ima.init_(internal::bbox_(win)); // geom::bbox(win)); - level::fill(ima, false); - + // Hack (below) to avoid circular dependency. + ima.init_(mln::internal::geom_bbox(win)); + { + // level::fill(ima, false) is: + mln_piter(I) p(ima.domain()); + for_all(p) + ima(p) = false; + } unsigned n = win.size(); for (unsigned i = 0; i < n; ++i) ima(convert::to<P>(win.dp(i))) = true; Index: mln/core/internal/geom_bbox.hh --- mln/core/internal/geom_bbox.hh (revision 0) +++ mln/core/internal/geom_bbox.hh (revision 0) @@ -0,0 +1,75 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef MLN_CORE_INTERNAL_GEOM_BBOX_HH +# define MLN_CORE_INTERNAL_GEOM_BBOX_HH + +/// \file mln/core/internal/geom_bbox.hh +/// +/// \internal Routine that computes a bounding box from a window. +/// This file is included in mln/core/concept/window.hh and avoid +/// circular dependency since mln/geom/bbox.hh cannot be included in +/// concept files. + +# include <mln/accu/bbox.hh> +# include <mln/literal/origin.hh> + + +namespace mln +{ + + namespace internal + { + + template <typename W> + box<mln_psite(W)> + geom_bbox(const W& win); + + +# ifndef MLN_INCLUDE_ONLY + + template <typename W> + box<mln_psite(W)> + geom_bbox(const W& win) + { + typedef mln_psite(W) P; + accu::bbox<P> b; + P O = literal::origin; + mln_qiter(W) q(exact(win), O); + for_all(q) + b.take(q); + return b; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::internal + +} // end of namespace mln + + +#endif // ! MLN_CORE_INTERNAL_GEOM_BBOX_HH Index: mln/core/internal/weighted_window_base.hh --- mln/core/internal/weighted_window_base.hh (revision 0) +++ mln/core/internal/weighted_window_base.hh (revision 0) @@ -0,0 +1,178 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef MLN_CORE_INTERNAL_WEIGHTED_WINDOW_BASE_HH +# define MLN_CORE_INTERNAL_WEIGHTED_WINDOW_BASE_HH + +/// \file mln/core/internal/weighted_window_base.hh +/// +/// Definition of a base class for weighted window classes. + +# include <mln/core/concept/weighted_window.hh> + + +namespace mln +{ + + namespace internal + { + + /// Base class for weighted window classes. + /// + /// \p W is the corresponding window type. + + template <typename W, typename E> + struct weighted_window_base : public Weighted_Window<E> + { + + /// Window associated type. + typedef W window; + + /// Dpsite associated type. + typedef mln_dpsite(W) dpsite; + + /// Psite associated type. + typedef mln_psite(W) psite; + + /// Site associated type. + typedef mln_site(W) site; + + /// Test if the weighted window is empty; final method. + bool is_empty() const; + + /// Give the window size; final method. This method is valid + /// iff the underlying window has a fixed size. + unsigned size() const; + + /// Test if the weighted window is centered; final method. This + /// method is valid iff the support is regular and the + /// definition is not varying. + bool is_centered() const; + + /// Give the maximum coordinate gap; final method. This method + /// is valid iff the support is regular and the definition is + /// not varying. + unsigned delta() const; + + /// Give the \p i-th delta-point; final method. This method is + /// valid iff the support is regular and the definition is + /// unique. + const mln_dpsite(W)& dp(unsigned i) const; + + /// Test if the \p dp delta-point is in this window; final + /// method. This method is valid iff the support is regular and + /// the definition is unique. + bool has(const mln_dpsite(W)& dp) const; + + protected: + weighted_window_base(); + }; + + +# ifndef MLN_INCLUDE_ONLY + + template <typename W, typename E> + inline + weighted_window_base<W,E>::weighted_window_base() + { + } + + template <typename W, typename E> + inline + bool + weighted_window_base<W,E>::is_empty() const + { + return exact(this)->win().is_empty(); + } + + template <typename W, typename E> + inline + unsigned + weighted_window_base<W,E>::size() const + { + mlc_equal(mln_trait_window_size(W), + trait::window::size::fixed)::check(); + return exact(this)->win().size(); + } + + template <typename W, typename E> + inline + bool + weighted_window_base<W,E>::is_centered() const + { + mlc_equal(mln_trait_window_support(W), + trait::window::support::regular)::check(); + mlc_not_equal(mln_trait_window_definition(W), + trait::window::definition::varying)::check(); + return exact(this)->win().is_centered(); + } + + template <typename W, typename E> + inline + unsigned + weighted_window_base<W,E>::delta() const + { + mlc_equal(mln_trait_window_support(W), + trait::window::support::regular)::check(); + mlc_not_equal(mln_trait_window_definition(W), + trait::window::definition::varying)::check(); + return exact(this)->win().delta(); + } + + template <typename W, typename E> + inline + const mln_dpsite(W)& + weighted_window_base<W,E>::dp(unsigned i) const + { + mlc_equal(mln_trait_window_support(W), + trait::window::support::regular)::check(); + mlc_equal(mln_trait_window_definition(W), + trait::window::definition::unique)::check(); + mln_precondition(i < this->size()); + return exact(this)->win().dp(i); + } + + template <typename W, typename E> + inline + bool + weighted_window_base<W,E>::has(const mln_dpsite(W)& dp) const + { + mlc_equal(mln_trait_window_support(W), + trait::window::support::regular)::check(); + mlc_equal(mln_trait_window_definition(W), + trait::window::definition::unique)::check(); + return exact(this)->win().has(dp); + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::internal + +} // end of namespace mln + + +#endif // ! MLN_CORE_INTERNAL_WEIGHTED_WINDOW_BASE_HH Index: mln/core/internal/window_base.hh --- mln/core/internal/window_base.hh (revision 2767) +++ mln/core/internal/window_base.hh (working copy) @@ -1,4 +1,4 @@ -// Copyright (C) 2008 EPITA Research and Development Laboratory +// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms Index: mln/make/w_window2d.hh --- mln/make/w_window2d.hh (revision 2767) +++ mln/make/w_window2d.hh (working copy) @@ -36,6 +36,7 @@ # include <mln/core/w_window.hh> # include <mln/core/alias/dpoint2d.hh> +# include <mln/convert/from_to.hxx> namespace mln Index: mln/convert/to_image.hh --- mln/convert/to_image.hh (revision 2767) +++ mln/convert/to_image.hh (working copy) @@ -40,12 +40,13 @@ # include <mln/core/concept/weighted_window.hh> # include <mln/core/concept/neighborhood.hh> -# include <mln/literal/zero.hh> # include <mln/geom/bbox.hh> # include <mln/level/fill.hh> # include <mln/histo/data.hh> - +# include <mln/core/image/image1d.hh> +# include <mln/core/image/image2d.hh> +# include <mln/core/image/image3d.hh> namespace mln @@ -68,7 +69,7 @@ /// Convert a weighted window \p w_win into an image. template <typename W> - mln_image_from_grid(mln_site(W)::grid, bool) + mln_image_from_grid(mln_site(W)::grid, mln_weight(W)) to_image(const Weighted_Window<W>& w_win); /// Convert a neighborhood \p nbh into a binary image. @@ -114,12 +115,12 @@ template <typename W> inline - mln_image_from_grid(mln_site(W)::grid, bool) + mln_image_from_grid(mln_site(W)::grid, mln_weight(W)) to_image(const Weighted_Window<W>& w_win) { mln_is_simple_window(W)::check(); // mln_precondition(exact(w_win).is_valid()); - mln_image_from_grid(mln_site(W)::grid, bool) tmp; + mln_image_from_grid(mln_site(W)::grid, mln_weight(W)) tmp; convert::from_to(exact(w_win), tmp); return tmp; }

1 0

cleanup-2008 2767: Remove a std::size_t.
by Ugo Jardonnet 03 Nov '08

03 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008 Index: ChangeLog from Ugo Jardonnet <ugo.jardonnet(a)lrde.epita.fr> Remove a std::size_t. In my opinion nelements must not return size_t. * milena/mln/core/site_set/p_image.hh, * milena/mln/core/image/image3d.hh: Here. image/image3d.hh | 4 ++-- site_set/p_image.hh | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) Index: milena/mln/core/site_set/p_image.hh --- milena/mln/core/site_set/p_image.hh (revision 2766) +++ milena/mln/core/site_set/p_image.hh (working copy) @@ -115,7 +115,7 @@ bool is_valid() const; /// Give the number of sites. - std::size_t nsites() const; + unsigned nsites() const; /// Insertion element associated type. @@ -149,7 +149,7 @@ private: I ima_; - std::size_t nsites_; + unsigned nsites_; }; @@ -198,7 +198,7 @@ template <typename I> inline - std::size_t + unsigned p_image<I>::nsites() const { return nsites_; Index: milena/mln/core/image/image3d.hh --- milena/mln/core/image/image3d.hh (revision 2766) +++ milena/mln/core/image/image3d.hh (working copy) @@ -184,7 +184,7 @@ unsigned border() const; /// Give the number of cells (points including border ones). - std::size_t nelements() const; + unsigned nelements() const; /// Read-only access to the image value located at point \p p. const T& operator()(const point3d& p) const; @@ -426,7 +426,7 @@ template <typename T> inline - std::size_t + unsigned image3d<T>::nelements() const { mln_precondition(this->has_data());

1 0

cleanup-2008 2766: Fix projection.
by Alexandre Abraham 02 Nov '08

02 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Alexandre Abraham <abraham(a)lrde.epita.fr> Fix projection. * nature/proj.cc: . proj.cc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: nature/proj.cc --- nature/proj.cc (revision 2765) +++ nature/proj.cc (working copy) @@ -56,10 +56,11 @@ std::string name(argv[i]); name.erase(name.length() - 4); image1d<float> toto = proj_nat(ima); - image2d<float> tata (toto.nelements(), 1); + image2d<int_u8> tata (toto.nelements(), 1); mln_piter_(image1d<float>) p(toto.domain()); for (unsigned u = 0; u < toto.nelements(); ++u) - tata(point2d(u, 1)) = toto(point1d(u)); + if (toto.domain().has(point1d(u))) + tata(point2d(u, 1)) = (int_u8) ceil(toto(point1d(u))); io::pgm::save(cast_image <int_u8>(tata), name.append("_proj.pgm")); } }

1 0

cleanup-2008 2765: Fix 1d to 2d problem.
by Alexandre Abraham 02 Nov '08

02 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Alexandre Abraham <abraham(a)lrde.epita.fr> Fix 1d to 2d problem. * nature/proj.cc: use an unsigned to iterate over the image. proj.cc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) Index: nature/proj.cc --- nature/proj.cc (revision 2764) +++ nature/proj.cc (working copy) @@ -58,8 +58,8 @@ image1d<float> toto = proj_nat(ima); image2d<float> tata (toto.nelements(), 1); mln_piter_(image1d<float>) p(toto.domain()); - for_all(p) - tata(point2d((p.row(), 1))) = toto(p); - io::pgm::save(cast_image <int>(tata), name.append("_proj.pgm")); + for (unsigned u = 0; u < toto.nelements(); ++u) + tata(point2d(u, 1)) = toto(point1d(u)); + io::pgm::save(cast_image <int_u8>(tata), name.append("_proj.pgm")); } }

1 0

cleanup-2008 2761: Add closing, udate filter parameters.
by Alexandre Abraham 02 Nov '08

02 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Alexandre Abraham <abraham(a)lrde.epita.fr> Add closing, udate filter parameters. * nature/closing.cc: New. * nature/gradient.cc: . * nature/histo_hsi.cc: . * nature/hom.cc: . * nature/opening.cc: . closing.cc | 59 +++++++++++++++++++++++++++++++ gradient.cc | 5 +- histo_hsi.cc | 39 +++++++++++--------- hom.cc | 110 ++++++++++++++++++++++++++++++++++++++++++++++++----------- opening.cc | 10 ++--- 5 files changed, 180 insertions(+), 43 deletions(-) Index: nature/closing.cc --- nature/closing.cc (revision 0) +++ nature/closing.cc (revision 0) @@ -0,0 +1,59 @@ +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#include <mln/core/image/image2d.hh> +#include <mln/win/rectangle2d.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> + +#include <mln/value/int_u8.hh> +#include <mln/morpho/closing.hh> + +int main(int argc, const char * argv[]) +{ + using namespace mln; + using value::int_u8; + + if (argc < 2) { + std::cerr << "usage: " << argv[0] << " in.pgm [other_files.pgm]" << std::endl; + return 1; + } + + for (int i = 1; i < argc; ++i) + { + image2d<int_u8> ima; + io::pgm::load(ima, argv[i]); + + win::rectangle2d rect(5, 5); + border::thickness = 11; + + std::string name(argv[i]); + name.erase(name.length() - 4); + io::pgm::save(morpho::closing(ima, rect), name.append("_opened.pgm")); + } +} Index: nature/gradient.cc --- nature/gradient.cc (revision 2760) +++ nature/gradient.cc (working copy) @@ -53,7 +53,8 @@ win::rectangle2d rect(5, 5); border::thickness = 5; - io::pgm::save( morpho::gradient(ima, rect), - "out.pgm" ); + std::string name(argv[i]); + name.erase(name.length() - 4); + io::pgm::save(morpho::gradient(ima, rect), name.append("_grad.pgm")); } } Index: nature/histo_hsi.cc --- nature/histo_hsi.cc (revision 2760) +++ nature/histo_hsi.cc (working copy) @@ -61,24 +61,28 @@ template <typename I> -void save_histo(Image<I> &i, std::string &name, unsigned width, unsigned height, unsigned npoints) +void save_histo(Image<I> &i, std::string &name) { I& ima = exact(i); - histo::data<u_t> h = histo::compute(ima); + histo::data<float01_8> h = histo::compute(ima); - double norm = (double) npoints / (double) height; + // Compute histo max + size_t max = 0; + mln_viter(mln::value::set<float01_8>) v(h.vset()); - image2d<bool> output(height + 1, width + 1, 0); + for_all(v) + if (h(v) > max) + max = h(v); + + image2d<bool> output(max, mln_card(float01_8), 0); level::fill(output, true); - mln_viter(mln::value::set<u_t>) v(h.vset()); for_all(v) - if (h(v) > 0) - for (u_t i = 0; i < h(v)/norm; ++i) + for (size_t i = 0; i < h(v); ++i) { // std::cout << height - i << ", " << (u_t)v << std::endl; - output(point2d(height - i, (u_t)v)) = false; + output(point2d(max - i - 1, (float01_8)v)) = false; } io::pbm::save(output, name); @@ -91,21 +95,19 @@ return 1; } - for (unsigned i = 1; i < argc; ++i) + for (int i = 1; i < argc; ++i) { image2d<rgb8> input; io::ppm::load(input, argv[i]); - unsigned npoints = input.ncols() * input.nrows(); - image2d<hsi_f> hsi = level::transform(input, fun::v2v::f_rgb_to_hsi_f); thru<mln::meta::hue<hsi_f>, image2d<hsi_f> > h(hsi); - cast_image_<u_t, thru<mln::meta::hue<hsi_f>, image2d<hsi_f> > > hue(h); + cast_image_<float01_8, thru<mln::meta::hue<hsi_f>, image2d<hsi_f> > > hue(h); std::string n(argv[i]); n.erase(n.length() - 4); - io::pgm::save(hue, n.append("_hue.pgm")); + // io::pgm::save(hue, n.append("_hue.pgm")); image2d<hsi_f>::piter p(hsi.domain()); float m = 0; @@ -120,8 +122,10 @@ std::string name(argv[i]); name.erase(name.length() - 4); - save_histo(hue, name.append("_hue.pbm"), 256, 360, npoints); + save_histo(hue, name.append("_hue.pbm")); + + /* thru<mln::meta::sat<hsi_f>, image2d<hsi_f> > s(hsi); cast_image_<u_t, thru<mln::meta::sat<hsi_f>, image2d<hsi_f> > > sat(s); @@ -162,5 +166,6 @@ name = argv[i]; name.erase(name.length() - 4); save_histo(inty, name.append("_inty.pbm"), 256, 256, npoints); + */ } } Index: nature/hom.cc --- nature/hom.cc (revision 2760) +++ nature/hom.cc (working copy) @@ -34,6 +34,7 @@ #include <mln/io/pbm/save.hh> #include <mln/value/int_u8.hh> +#include <mln/value/int_u16.hh> # include <mln/core/alias/window2d.hh> @@ -56,39 +57,110 @@ for (int i = 1; i < argc; ++i) { - image2d<int_u8> ima; + typedef int_u8 int_t; + + image2d<int_t> ima; io::pgm::load(ima, argv[i]); // Compute the mean - int_u8 mean = estim::mean(ima); + int_t mean = estim::mean(ima); + + image2d<bool> imab = binarization::threshold(ima, mean); + + border::thickness = 10; window2d winout; window2d winin; - static const bool matout [] = {0, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, - 1, 1, 1, 1, 1, 1, 0}; - - convert::from_to(matout, winout); - - static const bool matin [] = {0, 1, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, - 0, 1, 1, 1, 1, 1, 1, - 0, 0, 0, 0, 0, 0, 0}; +// static const bool matout [] = {0, 0, 0, 0, 0, 0, 0, +// 0, 0, 1, 0, 0, 0, 0, +// 0, 0, 1, 0, 0, 0, 0, +// 0, 0, 1, 0, 0, 0, 0, +// 0, 0, 1, 1, 1, 1, 0, +// 0, 0, 0, 0, 0, 0, 0, +// 0, 0, 0, 0, 0, 0, 0}; + +// static const bool matout [] = {0, 0, 0, 0, 0, +// 0, 1, 0, 0, 0, +// 0, 1, 0, 0, 0, +// 0, 1, 1, 1, 0, +// 0, 0, 0, 0, 0}; + + static const bool blmatout [] = {0, 0, 0, + 1, 0, 0, + 1, 1, 0}; + + + convert::from_to(blmatout, winout); + +// static const bool matin [] = {0, 0, 0, 1, 0, 0, 0, +// 0, 0, 0, 1, 0, 0, 0, +// 0, 0, 0, 1, 0, 0, 0, +// 0, 0, 0, 1, 1, 1, 1, +// 0, 0, 0, 0, 0, 0, 0, +// 0, 0, 0, 0, 0, 0, 0, +// 0, 0, 0, 0, 0, 0, 0}; + +// static const bool matin [] = {0, 0, 1, 0, 0, +// 0, 0, 1, 0, 0, +// 0, 0, 1, 1, 1, +// 0, 0, 0, 0, 0, +// 0, 0, 0, 0, 0}; + + static const bool blmatin [] = {0, 1, 0, + 0, 1, 1, + 0, 0, 0}; + + convert::from_to(blmatin, winin); + image2d<bool> bottom_left = morpho::hit_or_miss(imab, winout, winin); + + + static const bool brmatout [] = {0, 0, 0, + 0, 0, 1, + 0, 1, 1}; + + static const bool brmatin [] = {0, 1, 0, + 1, 1, 0, + 0, 0, 0}; + + convert::from_to(brmatout, winout); + convert::from_to(brmatin, winin); + image2d<bool> bottom_right = morpho::hit_or_miss(imab, winout, winin); + + static const bool urmatout [] = {0, 1, 1, + 0, 0, 1, + 0, 0, 0}; + + static const bool urmatin [] = {0, 0, 0, + 1, 1, 0, + 0, 1, 0}; + + convert::from_to(urmatout, winout); + convert::from_to(urmatin, winin); + image2d<bool> up_right = morpho::hit_or_miss(imab, winout, winin); + + + static const bool ulmatout [] = {1, 1, 0, + 1, 0, 0, + 0, 0, 0}; + + static const bool ulmatin [] = {0, 0, 0, + 0, 1, 1, + 0, 1, 0}; + + convert::from_to(ulmatout, winout); + convert::from_to(ulmatin, winin); + image2d<bool> up_left = morpho::hit_or_miss(imab, winout, winin); - convert::from_to(matin, winin); std::string name(argv[i]); name.erase(name.length() - 4); - io::pbm::save( morpho::hit_or_miss(binarization::threshold(ima, mean), winout, winin), + io::pbm::save( imab, name.append("_bin.pbm")); + + name = argv[i]; + name.erase(name.length() - 4); + io::pbm::save( up_left + up_right + bottom_right + bottom_left, name.append("_hom.pbm")); } } Index: nature/opening.cc --- nature/opening.cc (revision 2760) +++ nature/opening.cc (working copy) @@ -34,7 +34,6 @@ #include <mln/value/int_u8.hh> #include <mln/morpho/opening.hh> - int main(int argc, const char * argv[]) { using namespace mln; @@ -50,10 +49,11 @@ image2d<int_u8> ima; io::pgm::load(ima, argv[i]); - win::rectangle2d rect(1, 51); - border::thickness = 100; + win::rectangle2d rect(5, 5); + border::thickness = 11; - io::pgm::save( morpho::opening(ima, rect), - "out.pgm" ); + std::string name(argv[i]); + name.erase(name.length() - 4); + io::pgm::save(morpho::opening(ima, rect), name.append("_opened.pgm")); } }

1 0

cleanup-2008 2755: Updating filters.
by Alexandre Abraham 02 Nov '08

02 Nov '08

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Alexandre Abraham <abraham(a)lrde.epita.fr> Updating filters. * nature/erosion.cc: More user friendly. * nature/gradient.cc: . * nature/hom.cc: Now working. * nature/mco.cc: Now working on every images. * nature/opening.cc: . erosion.cc | 7 ++++--- gradient.cc | 2 +- hom.cc | 40 +++++++++++++++++++++++++++++++--------- mco.cc | 53 ++++++++++++++++++++++++++--------------------------- opening.cc | 2 +- 5 files changed, 63 insertions(+), 41 deletions(-) Index: nature/erosion.cc --- nature/erosion.cc (revision 2754) +++ nature/erosion.cc (working copy) @@ -45,7 +45,7 @@ return 1; } - for (unsigned i = 1; i < argc; ++i) + for (int i = 1; i < argc; ++i) { image2d<int_u8> ima; io::pgm::load(ima, argv[i]); @@ -53,7 +53,8 @@ win::hline2d f(31); border::thickness = 16; - io::pgm::save( morpho::erosion(ima, f), - "out.pgm" ); + std::string name(argv[i]); + name.erase(name.length() - 4); + io::pgm::save(morpho::erosion(ima, f), name.append("_eroded.pgm")); } } Index: nature/gradient.cc --- nature/gradient.cc (revision 2754) +++ nature/gradient.cc (working copy) @@ -45,7 +45,7 @@ return 1; } - for (unsigned i = 1; i < argc; ++i) + for (int i = 1; i < argc; ++i) { image2d<int_u8> ima; io::pgm::load(ima, argv[i]); Index: nature/hom.cc --- nature/hom.cc (revision 2754) +++ nature/hom.cc (working copy) @@ -35,7 +35,7 @@ #include <mln/value/int_u8.hh> - +# include <mln/core/alias/window2d.hh> #include <mln/level/transform.hh> #include <mln/binarization/threshold.hh> @@ -47,26 +47,48 @@ int main(int argc, const char * argv[]) { using namespace mln; - using value::int_u16; + using namespace value; if (argc < 2) { std::cerr << "usage: " << argv[0] << " in.pgm [other_files.pgm]" << std::endl; return 1; } - for (unsigned i = 1; i < argc; ++i) + for (int i = 1; i < argc; ++i) { - image2d<int_u16> ima; + image2d<int_u8> ima; io::pgm::load(ima, argv[i]); // Compute the mean - int_u16 mean = estim::mean(ima); - - win::rectangle2d rectout(3, 3); - win::rectangle2d rectin(5, 5); + int_u8 mean = estim::mean(ima); + window2d winout; + window2d winin; - io::pbm::save( morpho::hit_or_miss(binarization::threshold(ima, mean), rectout, rectin), - "out.pbm" ); + static const bool matout [] = {0, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 0}; + + convert::from_to(matout, winout); + + static const bool matin [] = {0, 1, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0}; + + convert::from_to(matin, winin); + + + std::string name(argv[i]); + name.erase(name.length() - 4); + io::pbm::save( morpho::hit_or_miss(binarization::threshold(ima, mean), winout, winin), + name.append("_hom.pbm")); } } Index: nature/mco.cc --- nature/mco.cc (revision 2754) +++ nature/mco.cc (working copy) @@ -1,45 +1,44 @@ #include <iostream> -#include <mln/value/int_u.hh> #include <mln/core/image/image2d.hh> +#include <mln/core/image/cast_image.hh> +#include <mln/value/int_u16.hh> #include "co_occurence.hh" #include <mln/core/alias/dpoint2d.hh> +#include <mln/io/pgm/save.hh> +#include <mln/io/pgm/load.hh> +#include <mln/estim/min_max.hh> -int main () +int main(int argc, const char * argv[]) { using namespace mln; using namespace value; - typedef image2d< int_u<3> > I; - - int_u<3> vs[6][5] = { - - { 3, 3, 4, 4, 4 }, - { 2, 1, 1, 1, 1 }, - { 1, 4, 4, 4, 6 }, - { 1, 4, 3, 4, 1 }, - { 7, 4, 5, 3, 1 }, - { 7, 7, 1, 1, 0 } - - }; - - I ima(make::image2d(vs)); + if (argc < 2) { + std::cerr << "usage: " << argv[0] << " in.pgm [other_files.pgm]" << std::endl; + return 1; + } dpoint2d d(0, 1); - // std::cout << co_occurence(ima, d) << std::endl; + for (int i = 1; i < argc; ++i) + { + image2d<int_u8> ima; + io::pgm::load(ima, argv[i]); + + std::string name(argv[i]); + name.erase(name.length() - 4); image2d<unsigned> co(co_occurence(ima, d)); - unsigned cpt = 0; - + // Normalization + unsigned m, M; + estim::min_max(co, m, M); + double norm = 255./M; mln_piter_(image2d<unsigned>) p(co.domain()); for_all(p) - { - std::cout << p << " = " << co(p) << std::endl; - cpt += co(p); - } - - std::cout << cpt << std::endl; + co(p) *= norm; + io::pgm::save(cast_image<int_u<8> >(co), name.append("_mco.pgm")); + } } Index: nature/opening.cc --- nature/opening.cc (revision 2754) +++ nature/opening.cc (working copy) @@ -45,7 +45,7 @@ return 1; } - for (unsigned i = 1; i < argc; ++i) + for (int i = 1; i < argc; ++i) { image2d<int_u8> ima; io::pgm::load(ima, argv[i]);

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cleanup-2008 2760: Cleanup OCR preprocessing
by Jimmy Ma 02 Nov '08

02 Nov '08

URL: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox ChangeLog: 2008-11-02 Jimmy Ma <jimmy.ma(a)lrde.epita.fr> Cleanup OCR preprocessing. * garrigues/ocr/ocr_with_preprocess.cc, garrigues/ocr/ocr_without_preprocess.cc: Cleanup the call to tesseract. * garrigues/ocr/tesseract_wrap.hh: New. Provide a Tesseract wrapper which is also able to compute an approximate confidence value of the recognition based on tesseract internal data. --- ocr_with_preprocess.cc | 64 ++++++++++++++++++-------------- ocr_without_preprocess.cc | 24 ++++-------- tesseract_wrap.hh | 91 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 135 insertions(+), 44 deletions(-) Index: branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_without_preprocess.cc =================================================================== --- branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_without_preprocess.cc (revision 2759) +++ branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_without_preprocess.cc (revision 2760) @@ -53,7 +53,7 @@ #include <mln/labeling/regional_maxima.hh> #include <mln/morpho/dilation.hh> -#include <tesseract/baseapi.h> +#include "tesseract_wrap.hh" // _COMPILATION_ // g++ -DNDEBUG -O3 -I../../.. ocr.cc -L/usr/lib -ltesseract_full -lpthread @@ -61,19 +61,6 @@ // Call tesseract // lang: expected language -template <typename T> -char* tesseract(const char* lang, const mln::image2d<T>& input) -{ - TessBaseAPI::InitWithLanguage(NULL, NULL, lang, NULL, false, 0, NULL); - char* s = TessBaseAPI::TesseractRect( - (unsigned char*) input.buffer(), - sizeof (T), - input.ncols() * sizeof (T), - 0, 0, - input.ncols(), - input.nrows()); - return s; -} int main(int argc, char** argv) { @@ -92,7 +79,12 @@ io::pbm::load(input, argv[1]); - char* s = tesseract("fra", input); + { + image2d<int_u8> tmp = clone(cast_image<int_u8>(input)); + float score = 0; + char* s = tesseract("fra", tmp, &score); + std::cerr << "Tesseract result: (score " << score << ")" << std::endl; std::cout << s; - free(s); + delete[] s; + } } Index: branches/cleanup-2008/milena/sandbox/garrigues/ocr/tesseract_wrap.hh =================================================================== --- branches/cleanup-2008/milena/sandbox/garrigues/ocr/tesseract_wrap.hh (revision 0) +++ branches/cleanup-2008/milena/sandbox/garrigues/ocr/tesseract_wrap.hh (revision 2760) @@ -0,0 +1,91 @@ +#ifndef TESSERACT_WRAP_HH +# define TESSERACT_WRAP_HH + +# include <cassert> + +# include <mln/core/image/image2d.hh> + +# include <tesseract/baseapi.h> + +struct TessWrap : public TessBaseAPI +{ + static int InitWithLanguage(const char* datapath, const char* outputbase, + const char* language, const char* configfile, + bool numeric_mode, int argc, char* argv[]) + { + return TessBaseAPI::InitWithLanguage(datapath, outputbase, + language, configfile, + numeric_mode, argc, argv); + } + + static char* TesseractRect(const unsigned char* imagedata, + int bytes_per_pixel, + int bytes_per_line, + int left, int top, int width, int height, + float* score) + { + int kMinRectSize = 10; // Quick and dirty... (value imported from tesseract src) + if (width < kMinRectSize || height < kMinRectSize) + return NULL; // Nothing worth doing. + + // Copy/Threshold the image to the tesseract global page_image. + CopyImageToTesseract(imagedata, bytes_per_pixel, bytes_per_line, + left, top, width, height); + + { // RecognizeToString + BLOCK_LIST* block_list = FindLinesCreateBlockList(); + PAGE_RES* page_res = Recognize(block_list, NULL); + + char* string; + int* lengths; + float* costs; + int* x0; + int* y0; + int* x1; + int* y1; + // Retrieve Tesseract internal data to compute the quality score. + int n = TessBaseAPI::TesseractExtractResult(&string, &lengths, &costs, &x0, &y0, &x1, &y1, page_res); + + float average_uncertainty = 0.f; + for (int i = 0; i < n; ++i) + average_uncertainty += costs[i]; + + if (n) + *score = average_uncertainty / n; + else + *score = -1; + + // Some memory cleanup + delete[] string; + delete[] lengths; + delete[] costs; + delete[] x0; + delete[] y0; + delete[] x1; + delete[] y1; + + return TesseractToText(page_res); + } + } +}; + +// Call tesseract +// lang: expected language +template <typename T> +char* tesseract(const char* lang, const mln::image2d<T>& input, float* score) +{ + assert(!score); + TessWrap::InitWithLanguage(NULL, NULL, lang, NULL, false, 0, NULL); + char* s = TessWrap::TesseractRect( + (unsigned char*) input.buffer(), + sizeof (T), + input.ncols() * sizeof (T), + 0, 0, + input.ncols(), + input.nrows(), + score); + return s; +} + + +#endif // ! TESSERACT_WRAP_HH Index: branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_with_preprocess.cc =================================================================== --- branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_with_preprocess.cc (revision 2759) +++ branches/cleanup-2008/milena/sandbox/garrigues/ocr/ocr_with_preprocess.cc (revision 2760) @@ -57,28 +57,24 @@ #include <mln/io/pbm/save.hh> #include <mln/logical/not.hh> -#include <tesseract/baseapi.h> - +#include "tesseract_wrap.hh" // _COMPILATION_ // g++ -DNDEBUG -O3 -I../../.. ocr.cc -L/usr/lib -ltesseract_full -lpthread - -// Call tesseract -// lang: expected language -template <typename T> -char* tesseract(const char* lang, const mln::image2d<T>& input) -{ - TessBaseAPI::InitWithLanguage(NULL, NULL, lang, NULL, false, 0, NULL); - char* s = TessBaseAPI::TesseractRect( - (unsigned char*) input.buffer(), - sizeof (T), - input.ncols() * sizeof (T), - 0, 0, - input.ncols(), - input.nrows()); - return s; +#if 0 +# define TEST(Var) \ + { \ + image2d<int_u8> tmp = clone(cast_image<int_u8>(Var)); \ + float score = 0.f; \ + char* s = tesseract("fra", tmp, &score); \ + std::cerr << #Var << ": " << score << std::endl << s; \ + delete[] s; \ } +#else +# define TEST(Var) +#endif + int main(int argc, char** argv) { @@ -96,20 +92,23 @@ mln::border::thickness = 0; io::pbm::load(input, argv[1]); + TEST(input); // Resize - std::cerr << "Enlarge the image" << std::endl; + //std::cerr << "Enlarge the image" << std::endl; image2d<int_u8> enlarged = enlarge(logical::not_(input), 2); //image2d<bool> enlarged = geom::resize(logical::not_(input), 4); - io::pgm::save(enlarged, "1_enlage.pgm"); + io::pgm::save(enlarged, "1_enlarge.pgm"); + TEST(enlarged); // Blur. - std::cerr << "Blur the enlarged image" << std::endl; + //std::cerr << "Blur the enlarged image" << std::endl; // image2d<int_u8> blur = linear::gaussian(fun::p2v::ternary(pw::value(enlarged), pw::cst(int_u8(255)), pw::cst(int_u8(0))) | enlarged.domain(), // 4); - image2d<int_u8> blur = linear::gaussian(enlarged, 1); + image2d<int_u8> blur = linear::gaussian(clone(enlarged), 1); io::pgm::save(blur, "2_gaussian.pgm"); + TEST(blur); // Crest. // image2d<bool> c = crest(enlarged, blur, c4()); @@ -120,7 +119,7 @@ // Threshold image2d<bool> binary; { - std::cerr << "Threshold the blur image" << std::endl; + //std::cerr << "Threshold the blur image" << std::endl; // // Compute the histogram. // histo::data<int_u8> h = histo::compute(blur); @@ -141,26 +140,35 @@ binary(p) = blur(p) > 100; io::pbm::save(binary, "3_threshold.pbm"); + TEST(binary); } // Skeleton - std::cerr << "Compute the skeleton" << std::endl; + //std::cerr << "Compute the skeleton" << std::endl; image2d<bool> skel = skeleton(binary, 4); io::pbm::save(skel, "4_skeleton.pbm"); + TEST(skel); // Dilation - std::cerr << "Dilate the skeleton" << std::endl; + //std::cerr << "Dilate the skeleton" << std::endl; win::octagon2d oct(7); for (unsigned i = 0; i < 1; i++) skel = morpho::dilation(skel, oct); io::pbm::save(skel, "5_dilation.pbm"); + TEST(skel); io::pbm::save(skel, argv[2]); - std::cerr << "Text recognition" << std::endl; - char* s = tesseract("fra", clone(logical::not_(skel))); - std::cerr << "Tesseract result:"<< std::endl; + //std::cerr << "Text recognition" << std::endl; + //char* s = tesseract("fra", clone(logical::not_(skel))); + { + image2d<int_u8> tmp = clone(cast_image<int_u8>(skel)); + float score = 0; + char* s = tesseract("fra", tmp, &score); + std::cerr << "Tesseract result: (score " << score << ")" << std::endl; std::cout << s; - free(s); + delete[] s; + } + }

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