April 2008 - Olena-patches

1875: Improve fllt.
by Thierry Geraud 18 Apr '08

18 Apr '08

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Thierry Geraud <thierry.geraud(a)lrde.epita.fr> Improve fllt. * sandbox/geraud/fllt.svg.2.cc: New. * sandbox/geraud/fllt.svg.3.cc: New. * sandbox/geraud/fllt.cc (fllt): Get rid of 'is'. * sandbox/geraud/fllt.svg.4.cc: New. fllt.cc | 167 +++++++++++++++++---------- fllt.svg.3.cc | 59 +++++---- fllt.svg.4.cc | 349 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 491 insertions(+), 84 deletions(-) Index: sandbox/geraud/fllt.svg.3.cc --- sandbox/geraud/fllt.svg.3.cc (revision 1874) +++ sandbox/geraud/fllt.svg.3.cc (working copy) @@ -30,6 +30,7 @@ #include <mln/core/p_array.hh> #include <mln/core/clone.hh> #include <mln/core/image_if_value.hh> +#include <mln/core/sub_image.hh> #include <mln/value/int_u8.hh> # include <mln/value/rgb8.hh> @@ -147,36 +148,38 @@ unsigned l = 0, l_max; mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + std::vector<bool> tag(l_max + 1, false); + tag[0] = true; // Variables. I u = mln::clone(input); mln_point(I) x0; mln_value(I) g, gN; + mln_fwd_piter(I) p(input.domain()); + p.start(); + image2d<unsigned char> is(input.domain()); const unsigned in_R = 1, in_N = 2, in_A = 3, in_O = 0; + level::fill(is, in_O); typedef p_array<mln_point(I)> arr_t; - arr_t A, R; - R.reserve(input.npoints()); + arr_t A; arr_t N[256]; - - accu::bbox<mln_point(I)> R_box; + accu::bbox<mln_point(I)> N_box; unsigned n_step_1 = 0, n_step_3 = 0; // Step 1. step_1: { - if (l == l_max) + while (tag[reg_min(p)] && p.is_valid()) + p.next(); + if (p.is_valid()) + tag[reg_min(p)] = true; // To be processed. + else goto the_end; ++n_step_1; - - l += 1; - mln_piter(I) p(input.domain()); - for_all(p) - if (reg_min(p) == l) - break; x0 = p; g = input(x0); } @@ -184,16 +187,16 @@ // Step 2. step_2: { - level::fill(is, in_O); - // R <- 0 - R_box.init(); - R.clear(); + // R <- 0 and N <- 0 + if (N_box.is_valid() != 0) + level::fill(inplace(is | N_box.to_result()), in_O); + clear_N(N); + N_box.init(); + // A <- { x0 } A.clear(); A.append(x0); is(x0) = in_A; - // N <- 0 - clear_N(N); } // Step 3. @@ -205,21 +208,18 @@ mln_niter(Nbh) x(nbh, a); - my::save(is); +// my::save(is); // R <- R U A if (A.npoints() == 0) goto the_end; - R.append(A); for_all(a) { mln_invariant(is(a) == in_A); is(a) = in_R; } - mln_invariant(R.npoints() == (is | in_R).npoints()); - R_box.take(A.bbox()); // N <- N U { x in nbh of A and not in R } for_all(a) @@ -228,6 +228,7 @@ { N[u(x)].append(x); is(x) = in_N; + N_box.take(x); } // gN = min u(x) for all x in N update_gN(N, gN); @@ -249,6 +250,8 @@ { mln_invariant(is(a) == in_N); is(a) = in_A; + // N_box is not re-computed so that we save time; + // N_box is always growing while looping from step 3. } N[g].clear(); goto step_3; @@ -269,9 +272,9 @@ // c) else { - mln_invariant(R_box.to_result() == geom::bbox(is | in_R)); - mln_piter(arr_t) r(R); + mln_piter(I) r(N_box); for_all(r) + if (is(r) == in_R) u(r) = g; goto step_1; } @@ -287,13 +290,19 @@ } // end of namespace mln -int main() +int main(int argc, char* argv[]) { + if (argc != 2) + { + std::cerr << "usage: " << argv[0] << " filename" << std::endl; + return 1; + } + using namespace mln; using value::int_u8; image2d<int_u8> lena; - io::pgm::load(lena, "../../img/tiny.pgm"); + io::pgm::load(lena, argv[1]); my::fllt(lena, c4()); io::pgm::save(lena, "./out.pgm"); Index: sandbox/geraud/fllt.cc --- sandbox/geraud/fllt.cc (revision 1874) +++ sandbox/geraud/fllt.cc (working copy) @@ -30,6 +30,7 @@ #include <mln/core/p_array.hh> #include <mln/core/clone.hh> #include <mln/core/image_if_value.hh> +#include <mln/core/sub_image.hh> #include <mln/value/int_u8.hh> # include <mln/value/rgb8.hh> @@ -39,10 +40,12 @@ #include <mln/io/ppm/save.hh> #include <mln/level/fill.hh> +#include <mln/level/compare.hh> #include <mln/debug/println.hh> #include <mln/labeling/regional_minima.hh> #include <mln/accu/bbox.hh> #include <mln/geom/bbox.hh> +#include <mln/pw/all.hh> #include <mln/literal/black.hh> #include <mln/literal/white.hh> @@ -61,7 +64,7 @@ void update_gN(const N_t& N, G& gN) { for (unsigned g = 0; g < 256; ++g) - if (N[g].npoints() != 0) + if (N[g]->npoints() != 0) { gN = g; return; @@ -76,9 +79,9 @@ { for (unsigned i = 0; i < 256; ++i) { - if (N[i].npoints() == 0) + if (N[i]->npoints() == 0) continue; - std::cout <clear(); } @@ -147,36 +150,43 @@ unsigned l = 0, l_max; mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + std::vector<bool> tag(l_max + 1, false); + tag[0] = true; // Variables. I u = mln::clone(input); mln_point(I) x0; mln_value(I) g, gN; - image2d<unsigned char> is(input.domain()); - const unsigned in_R = 1, in_N = 2, in_A = 3, in_O = 0; + mln_fwd_piter(I) p(input.domain()); + p.start(); - typedef p_array<mln_point(I)> arr_t; - arr_t A, R; - R.reserve(input.npoints()); - arr_t N[256]; +// image2d<unsigned char> is(input.domain()); +// const unsigned in_R = 1, in_N = 2, in_A = 3, in_O = 0; +// level::fill(is, in_O); - accu::bbox<mln_point(I)> R_box; + image2d<bool> deja_vu(input.domain()); + level::fill(deja_vu, false); + + typedef p_array<mln_point(I)> arr_t; + arr_t* A = new arr_t(); + arr_t* N[256]; + for (unsigned i = 0; i < 256; ++i) + N[i] = new arr_t(); + accu::bbox<mln_point(I)> N_box; unsigned n_step_1 = 0, n_step_3 = 0; // Step 1. step_1: { - if (l == l_max) + while (tag[reg_min(p)] && p.is_valid()) + p.next(); + if (p.is_valid()) + tag[reg_min(p)] = true; // To be processed. + else goto the_end; ++n_step_1; - - l += 1; - mln_piter(I) p(input.domain()); - for_all(p) - if (reg_min(p) == l) - break; x0 = p; g = input(x0); } @@ -184,16 +194,20 @@ // Step 2. step_2: { - level::fill(is, in_O); - // R <- 0 - R_box.init(); - R.clear(); - // A <- { x0 } - A.clear(); - A.append(x0); - is(x0) = in_A; - // N <- 0 + // R <- 0 and N <- 0 + if (N_box.is_valid() != 0) + { +// level::fill(inplace(is | N_box.to_result()), in_O); + level::fill(inplace(deja_vu | N_box.to_result()), false); + } clear_N(N); + N_box.init(); + + // A <- { x0 } + A->clear(); + A->append(x0); +// is(x0) = in_A; + deja_vu(x0) = true; } // Step 3. @@ -201,33 +215,38 @@ { ++n_step_3; - mln_piter(arr_t) a(A); + mln_piter(arr_t) a(*A); mln_niter(Nbh) x(nbh, a); - my::save(is); +// my::save(is); // R <- R U A - if (A.npoints() == 0) + if (A->npoints() == 0) goto the_end; - R.append(A); - for_all(a) - { - mln_invariant(is(a) == in_A); - is(a) = in_R; - } - mln_invariant(R.npoints() == (is | in_R).npoints()); - R_box.take(A.bbox()); +// for_all(a) +// { +// mln_invariant(is(a) == in_A); +// is(a) = in_R; +// } // N <- N U { x in nbh of A and not in R } for_all(a) for_all(x) - if (u.has(x) && is(x) == in_O) { - N[u(x)].append(x); - is(x) = in_N; +// if (u.has(x)) +// mln_invariant(is(x) != in_O || deja_vu(x) == false); + + //if (u.has(x) && is(x) == in_O) + if (u.has(x) && !deja_vu(x)) + { + N[u(x)]->append(x); +// is(x) = in_N; + N_box.take(x); + deja_vu(x) = true; + } } // gN = min u(x) for all x in N update_gN(N, gN); @@ -243,36 +262,60 @@ { g = gN; // FIXME: DO the hole thing. + arr_t* tmp = A; A = N[g]; - mln_piter(arr_t) a(A); - for_all(a) - { - mln_invariant(is(a) == in_N); - is(a) = in_A; - } - N[g].clear(); + N[g] = tmp; +// mln_piter(arr_t) a(A); +// for_all(a) +// { +// mln_invariant(is(a) == in_N); +// is(a) = in_A; +// // N_box is not re-computed so that we save time; +// // N_box is always growing while looping from step 3. +// } + N[g]->clear(); goto step_3; } // b) else if (g == gN) { + arr_t* tmp = A; A = N[g]; - mln_piter(arr_t) a(A); - for_all(a) - { - mln_invariant(is(a) == in_N); - is(a) = in_A; - } - N[g].clear(); + N[g] = tmp; +// mln_piter(arr_t) a(A); +// for_all(a) +// { +// mln_invariant(is(a) == in_N); +// is(a) = in_A; +// } + N[g]->clear(); goto step_3; } // c) else { - mln_invariant(R_box.to_result() == geom::bbox(is | in_R)); - mln_piter(arr_t) r(R); + // Here deja_vu is (R U N U A) + // we only want R + + // yet A is empty (cause included in R) + // so this test is ok: mln_invariant((is | in_A).npoints() == 0); + + for (unsigned i = 0; i < 256; ++i) + if (N[i]->npoints()) + level::fill(inplace(deja_vu | *N[i]), false); + +// mln_invariant(deja_vu == ((pw::value(is) == pw::cst(in_R)) | input.domain())); + +// mln_piter(I) r(N_box); +// for_all(r) +// if (is(r) == in_R) +// u(r) = g; + + mln_piter(I) r(N_box); for_all(r) + if (deja_vu(r)) u(r) = g; + goto step_1; } } @@ -287,13 +330,19 @@ } // end of namespace mln -int main() +int main(int argc, char* argv[]) +{ + if (argc != 2) { + std::cerr << "usage: " << argv[0] << " filename" << std::endl; + return 1; + } + using namespace mln; using value::int_u8; image2d<int_u8> lena; - io::pgm::load(lena, "../../img/tiny.pgm"); + io::pgm::load(lena, argv[1]); my::fllt(lena, c4()); io::pgm::save(lena, "./out.pgm"); Index: sandbox/geraud/fllt.svg.4.cc --- sandbox/geraud/fllt.svg.4.cc (revision 0) +++ sandbox/geraud/fllt.svg.4.cc (revision 0) @@ -0,0 +1,349 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory +// +// 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/image2d.hh> +#include <mln/core/neighb2d.hh> +#include <mln/core/p_array.hh> +#include <mln/core/clone.hh> +#include <mln/core/image_if_value.hh> +#include <mln/core/sub_image.hh> + +#include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/level/fill.hh> +#include <mln/level/compare.hh> +#include <mln/debug/println.hh> +#include <mln/labeling/regional_minima.hh> +#include <mln/accu/bbox.hh> +#include <mln/geom/bbox.hh> +#include <mln/pw/all.hh> + +#include <mln/literal/black.hh> +#include <mln/literal/white.hh> +#include <mln/literal/colors.hh> + +#include <sstream> + + +namespace mln +{ + + namespace my + { + + template <typename N_t, typename G> + void update_gN(const N_t& N, G& gN) + { + for (unsigned g = 0; g < 256; ++g) + if (N[g].npoints() != 0) + { + gN = g; + return; + } + // if N is empty, gN is the max value. + gN = 255; + } + + + template <typename N_t> + void print_N(const N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + { + if (N[i].npoints() == 0) + continue; + std::cout < + void clear_N(N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + N[i].clear(); + } + + + + template <typename T> + image2d<T> enlarge(const image2d<T>& input, unsigned coef) + { + unsigned + nrows_ = coef * geom::nrows(input), + ncols_ = coef * geom::ncols(input); + image2d<T> output(nrows_, ncols_); + for (int row = 0; row < nrows_; ++row) + for (int col = 0; col < ncols_; ++col) + output.at(row, col) = input.at(row / coef, col / coef); + return output; + } + + + template <typename I> + void save(const I& is, const std::string& name = "") + { + static unsigned counter = 0; + using value::rgb8; + + image2d<rgb8> temp(is.domain()); + level::fill(temp, literal::black); + + mln_piter(I) p(is.domain()); + for_all(p) + switch (is(p)) { + case 1: // R + temp(p) = literal::red; + break; + case 2: // N + temp(p) = literal::green; + break; + case 3: // A + temp(p) = literal::blue; + break; + } + + if (name == "") + { + std::stringstream filename; + filename << "./temp_" << ++counter << ".ppm"; + io::ppm::save(my::enlarge(temp, 10), filename.str()); + } + else + io::ppm::save(temp, name); + } + + + template <typename I, typename Nbh> + void fllt(const Image& input_, const Neighborhood<Nbh>& nbh_) + { + const I& input = exact(input_); + const Nbh& nbh = exact(nbh_); + + unsigned l = 0, l_max; + mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + std::vector<bool> tag(l_max + 1, false); + tag[0] = true; + + // Variables. + I u = mln::clone(input); + mln_point(I) x0; + mln_value(I) g, gN; + mln_fwd_piter(I) p(input.domain()); + p.start(); + +// image2d<unsigned char> is(input.domain()); +// const unsigned in_R = 1, in_N = 2, in_A = 3, in_O = 0; +// level::fill(is, in_O); + + image2d<bool> deja_vu(input.domain()); + level::fill(deja_vu, false); + + typedef p_array<mln_point(I)> arr_t; + arr_t A; + arr_t N[256]; + accu::bbox<mln_point(I)> N_box; + + unsigned n_step_1 = 0, n_step_3 = 0; + + // Step 1. + step_1: + { + while (tag[reg_min(p)] && p.is_valid()) + p.next(); + if (p.is_valid()) + tag[reg_min(p)] = true; // To be processed. + else + goto the_end; + + ++n_step_1; + x0 = p; + g = input(x0); + } + + // Step 2. + step_2: + { + // R <- 0 and N <- 0 + if (N_box.is_valid() != 0) + { +// level::fill(inplace(is | N_box.to_result()), in_O); + level::fill(inplace(deja_vu | N_box.to_result()), false); + } + clear_N(N); + N_box.init(); + + // A <- { x0 } + A.clear(); + A.append(x0); +// is(x0) = in_A; + deja_vu(x0) = true; + } + + // Step 3. + step_3: + { + ++n_step_3; + + mln_piter(arr_t) a(A); + mln_niter(Nbh) x(nbh, a); + + +// my::save(is); + + + // R <- R U A + if (A.npoints() == 0) + goto the_end; + +// for_all(a) +// { +// mln_invariant(is(a) == in_A); +// is(a) = in_R; +// } + + // N <- N U { x in nbh of A and not in R } + for_all(a) + for_all(x) + { +// if (u.has(x)) +// mln_invariant(is(x) != in_O || deja_vu(x) == false); + + //if (u.has(x) && is(x) == in_O) + if (u.has(x) && !deja_vu(x)) + { + N[u(x)].append(x); +// is(x) = in_N; + N_box.take(x); + deja_vu(x) = true; + } + } + // gN = min u(x) for all x in N + update_gN(N, gN); + + // FIXME: update the number of CC of the border of R + } + + // Step 4. + step_4: + { + // a) + if (g < gN) + { + g = gN; + // FIXME: DO the hole thing. + A = N[g]; +// mln_piter(arr_t) a(A); +// for_all(a) +// { +// mln_invariant(is(a) == in_N); +// is(a) = in_A; +// // N_box is not re-computed so that we save time; +// // N_box is always growing while looping from step 3. +// } + N[g].clear(); + goto step_3; + } + // b) + else if (g == gN) + { + A = N[g]; +// mln_piter(arr_t) a(A); +// for_all(a) +// { +// mln_invariant(is(a) == in_N); +// is(a) = in_A; +// } + N[g].clear(); + goto step_3; + } + // c) + else + { + // Here deja_vu is (R U N U A) + // we only want R + + // yet A is empty (cause included in R) + // so this test is ok: mln_invariant((is | in_A).npoints() == 0); + + for (unsigned i = 0; i < 256; ++i) + if (N[i].npoints()) + level::fill(inplace(deja_vu | N[i]), false); +// { +// mln_piter(arr_t) p(N[i]); +// for_all(p) +// deja_vu(p) = false; +// } + +// mln_invariant(deja_vu == ((pw::value(is) == pw::cst(in_R)) | input.domain())); + +// mln_piter(I) r(N_box); +// for_all(r) +// if (is(r) == in_R) +// u(r) = g; + + mln_piter(I) r(N_box); + for_all(r) + if (deja_vu(r)) + u(r) = g; + + goto step_1; + } + } + + the_end: + std::cout << n_step_1 << ' ' << n_step_3 << std::endl; + + } + + } // end of namespace mln::my + +} // end of namespace mln + + +int main(int argc, char* argv[]) +{ + if (argc != 2) + { + std::cerr << "usage: " << argv[0] << " filename" << std::endl; + return 1; + } + + using namespace mln; + using value::int_u8; + + image2d<int_u8> lena; + io::pgm::load(lena, argv[1]); + + my::fllt(lena, c4()); + io::pgm::save(lena, "./out.pgm"); + +}

1 0

1874: Fix accu::bbox and new fllt try in sandbox.
by Thierry Geraud 18 Apr '08

18 Apr '08

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Thierry Geraud <thierry.geraud(a)lrde.epita.fr> Fix accu::bbox and new fllt try in sandbox. * mln/core/p_array.hh (append): New overload for p_array. * mln/accu/bbox.hh (take): Fix. The "else if" was wrong; is_valid_ was not updated. * sandbox/geraud/fllt.svg.1.cc: New. * sandbox/geraud/fllt.cc: New. mln/accu/bbox.hh | 10 + mln/core/p_array.hh | 15 ++ sandbox/geraud/fllt.cc | 301 +++++++++++++++++++++++++++++++++++++++++++ sandbox/geraud/fllt.svg.1.cc | 222 +++++++++++++++++++++++++++++++ 4 files changed, 546 insertions(+), 2 deletions(-) Index: mln/core/p_array.hh --- mln/core/p_array.hh (revision 1873) +++ mln/core/p_array.hh (working copy) @@ -93,6 +93,9 @@ /// Append a point \p p. p_array& append(const P& p); + /// Append an array \p other of points. + p_array& append(const p_array& other); + /// Clear this set. void clear(); @@ -204,6 +207,18 @@ template <typename P> inline + p_array& + p_array::append(const p_array& other) + { + vect_.insert(vect_.end(), + other.vect().begin(), other.vect().end()); + if (! bb_needs_update_) + bb_needs_update_ = true; + return *this; + } + + template <typename P> + inline void p_array::clear() { Index: mln/accu/bbox.hh --- mln/accu/bbox.hh (revision 1873) +++ mln/accu/bbox.hh (working copy) @@ -134,16 +134,19 @@ { // 'other' makes '*this' valid *this = other; + is_valid_ = true; return; } // both are valids so: const box_& o_b = other.b_; for (unsigned i = 0; i < P::dim; ++i) + { if (o_b.pmin()[i] < b_.pmin()[i]) b_.pmin()[i] = o_b.pmin()[i]; - else if (o_b.pmax()[i] > b_.pmax()[i]) + if (o_b.pmax()[i] > b_.pmax()[i]) b_.pmax()[i] = o_b.pmax()[i]; } + } template <typename P> inline @@ -158,15 +161,18 @@ if (! this->is_valid_) { b_ = other; + is_valid_ = true; return; } // both are valids so: for (unsigned i = 0; i < P::dim; ++i) + { if (other.pmin()[i] < b_.pmin()[i]) b_.pmin()[i] = other.pmin()[i]; - else if (other.pmax()[i] > b_.pmax()[i]) + if (other.pmax()[i] > b_.pmax()[i]) b_.pmax()[i] = other.pmax()[i]; } + } template <typename P> inline Index: sandbox/geraud/fllt.svg.1.cc --- sandbox/geraud/fllt.svg.1.cc (revision 0) +++ sandbox/geraud/fllt.svg.1.cc (revision 0) @@ -0,0 +1,222 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory +// +// 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/image2d.hh> +#include <mln/core/neighb2d.hh> +#include <mln/core/p_array.hh> +#include <mln/core/clone.hh> + +#include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/level/fill.hh> +#include <mln/debug/println.hh> +#include <mln/labeling/regional_minima.hh> +#include <mln/accu/bbox.hh> + +#include <mln/literal/black.hh> +#include <mln/literal/white.hh> +#include <mln/literal/colors.hh> + +#include <sstream> + + +namespace mln +{ + + namespace my + { + + template <typename N_t> + unsigned compute_gN(const N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + if (N[i].npoints() != 0) + return i; + mln_invariant(0); + return 0; + } + + + template <typename I, typename A_t> + void save(const I& is, const A_t& A) + { + static unsigned counter = 0; + using value::rgb8; + + image2d<rgb8> temp(is.domain()); + level::fill(temp, literal::black); + + mln_piter(I) p(is.domain()); + for_all(p) + switch (is(p)) { + case 1: // R + temp(p) = literal::red; + break; + case 2: // N + temp(p) = literal::green; + break; + } + + mln_piter(A_t) a(A); + for_all(a) // A + temp(a) = literal::blue; + + std::stringstream filename; + filename << "./temp_" << ++counter << ".ppm"; + io::ppm::save(temp, filename.str()); + } + + + template <typename I, typename Nbh> + void fllt(const Image& input_, const Neighborhood<Nbh>& nbh_) + { + const I& input = exact(input_); + const Nbh& nbh = exact(nbh_); + + unsigned l = 0, l_max; + mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + + // Variables. + I u = mln::clone(input); + mln_point(I) x0; + mln_value(I) g, gN; + image2d<unsigned char> is(input.domain()); + const unsigned in_R = 1, in_N = 2, in_O = 0; + + typedef p_array<mln_point(I)> arr_t; + arr_t A; + arr_t N[256]; + + accu::bbox<mln_point(I)> R_box; + + + // Step 1. + step_1: + { + if (l == l_max) + return; + l += 1; + mln_piter(I) p(input.domain()); + for_all(p) + if (reg_min(p) == l) + break; + x0 = p; + g = input(x0); + } + + // Step 2. + step_2: + { + R_box.init(); + level::fill(is, in_O); + A.append(x0); + } + + // Step 3. + step_3: + { + mln_piter(arr_t) a(A); + mln_niter(Nbh) x(nbh, a); + + my::save(is, A); + + // R <- R U A + for_all(a) + is(a) = in_R; + R_box.take(A.bbox()); + + // N <- N U { x in nbh of A and not in R } + for_all(a) + for_all(x) + if (u.has(x) && is(x) == in_O) + { + N[u(x)].append(x); + is(x) = in_N; + } + // gN = min u(x) for all x in N + gN = compute_gN(N); + + // FIXME: update the number of CC of the border of R + } + + // Step 4. + step_4: + { + // a) + if (g < gN) + { + // FIXME: DO the hole thing. + A = N[g]; + N[g].clear(); + g = gN; + gN = compute_gN(N); + goto step_3; + } + // b) + else if (g == gN) + { + A = N[g]; + N[g].clear(); + g = gN; + gN = compute_gN(N); + goto step_3; + } + // c) + else + { + mln_piter(box_<mln_point(I)>) p(R_box); + for_all(p) + if (is(p) == in_R) + u(p) = g; + goto step_1; + } + } + + } + + } // end of namespace mln::my + +} // end of namespace mln + + +int main() +{ + using namespace mln; + using value::int_u8; + + image2d<int_u8> lena; + io::pgm::load(lena, "../../img/tiny.pgm"); + + my::fllt(lena, c4()); + io::pgm::save(lena, "./out.pgm"); + +} Index: sandbox/geraud/fllt.cc --- sandbox/geraud/fllt.cc (revision 0) +++ sandbox/geraud/fllt.cc (revision 0) @@ -0,0 +1,301 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory +// +// 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/image2d.hh> +#include <mln/core/neighb2d.hh> +#include <mln/core/p_array.hh> +#include <mln/core/clone.hh> +#include <mln/core/image_if_value.hh> + +#include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/level/fill.hh> +#include <mln/debug/println.hh> +#include <mln/labeling/regional_minima.hh> +#include <mln/accu/bbox.hh> +#include <mln/geom/bbox.hh> + +#include <mln/literal/black.hh> +#include <mln/literal/white.hh> +#include <mln/literal/colors.hh> + +#include <sstream> + + +namespace mln +{ + + namespace my + { + + template <typename N_t, typename G> + void update_gN(const N_t& N, G& gN) + { + for (unsigned g = 0; g < 256; ++g) + if (N[g].npoints() != 0) + { + gN = g; + return; + } + // if N is empty, gN is the max value. + gN = 255; + } + + + template <typename N_t> + void print_N(const N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + { + if (N[i].npoints() == 0) + continue; + std::cout < + void clear_N(N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + N[i].clear(); + } + + + + template <typename T> + image2d<T> enlarge(const image2d<T>& input, unsigned coef) + { + unsigned + nrows_ = coef * geom::nrows(input), + ncols_ = coef * geom::ncols(input); + image2d<T> output(nrows_, ncols_); + for (int row = 0; row < nrows_; ++row) + for (int col = 0; col < ncols_; ++col) + output.at(row, col) = input.at(row / coef, col / coef); + return output; + } + + + template <typename I> + void save(const I& is, const std::string& name = "") + { + static unsigned counter = 0; + using value::rgb8; + + image2d<rgb8> temp(is.domain()); + level::fill(temp, literal::black); + + mln_piter(I) p(is.domain()); + for_all(p) + switch (is(p)) { + case 1: // R + temp(p) = literal::red; + break; + case 2: // N + temp(p) = literal::green; + break; + case 3: // A + temp(p) = literal::blue; + break; + } + + if (name == "") + { + std::stringstream filename; + filename << "./temp_" << ++counter << ".ppm"; + io::ppm::save(my::enlarge(temp, 10), filename.str()); + } + else + io::ppm::save(temp, name); + } + + + template <typename I, typename Nbh> + void fllt(const Image& input_, const Neighborhood<Nbh>& nbh_) + { + const I& input = exact(input_); + const Nbh& nbh = exact(nbh_); + + unsigned l = 0, l_max; + mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + + // Variables. + I u = mln::clone(input); + mln_point(I) x0; + mln_value(I) g, gN; + image2d<unsigned char> is(input.domain()); + const unsigned in_R = 1, in_N = 2, in_A = 3, in_O = 0; + + typedef p_array<mln_point(I)> arr_t; + arr_t A, R; + R.reserve(input.npoints()); + arr_t N[256]; + + accu::bbox<mln_point(I)> R_box; + + unsigned n_step_1 = 0, n_step_3 = 0; + + // Step 1. + step_1: + { + if (l == l_max) + goto the_end; + + ++n_step_1; + + l += 1; + mln_piter(I) p(input.domain()); + for_all(p) + if (reg_min(p) == l) + break; + x0 = p; + g = input(x0); + } + + // Step 2. + step_2: + { + level::fill(is, in_O); + // R <- 0 + R_box.init(); + R.clear(); + // A <- { x0 } + A.clear(); + A.append(x0); + is(x0) = in_A; + // N <- 0 + clear_N(N); + } + + // Step 3. + step_3: + { + ++n_step_3; + + mln_piter(arr_t) a(A); + mln_niter(Nbh) x(nbh, a); + + + my::save(is); + + + // R <- R U A + if (A.npoints() == 0) + goto the_end; + + R.append(A); + for_all(a) + { + mln_invariant(is(a) == in_A); + is(a) = in_R; + } + mln_invariant(R.npoints() == (is | in_R).npoints()); + R_box.take(A.bbox()); + + // N <- N U { x in nbh of A and not in R } + for_all(a) + for_all(x) + if (u.has(x) && is(x) == in_O) + { + N[u(x)].append(x); + is(x) = in_N; + } + // gN = min u(x) for all x in N + update_gN(N, gN); + + // FIXME: update the number of CC of the border of R + } + + // Step 4. + step_4: + { + // a) + if (g < gN) + { + g = gN; + // FIXME: DO the hole thing. + A = N[g]; + mln_piter(arr_t) a(A); + for_all(a) + { + mln_invariant(is(a) == in_N); + is(a) = in_A; + } + N[g].clear(); + goto step_3; + } + // b) + else if (g == gN) + { + A = N[g]; + mln_piter(arr_t) a(A); + for_all(a) + { + mln_invariant(is(a) == in_N); + is(a) = in_A; + } + N[g].clear(); + goto step_3; + } + // c) + else + { + mln_invariant(R_box.to_result() == geom::bbox(is | in_R)); + mln_piter(arr_t) r(R); + for_all(r) + u(r) = g; + goto step_1; + } + } + + the_end: + std::cout << n_step_1 << ' ' << n_step_3 << std::endl; + + } + + } // end of namespace mln::my + +} // end of namespace mln + + +int main() +{ + using namespace mln; + using value::int_u8; + + image2d<int_u8> lena; + io::pgm::load(lena, "../../img/tiny.pgm"); + + my::fllt(lena, c4()); + io::pgm::save(lena, "./out.pgm"); + +}

1 0

milena r1873: red getters
by Caroline Vigouroux 17 Apr '08

17 Apr '08

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2008-04-17 Caroline Vigouroux <vigour_c(a)epita.fr> red getters. * cmy/fun.hh, hsi/fun.hh, xyz/fun.hh, yiq/fun.hh, yuv/fun.hh: red getters. * cmy/my_cmy.hh, xyz/my_xyz.hh, yiq/my_yiq.hh, cmy/my_yuv.hh: color space updated. * cmy/rgb_to_cmy.hh, hsi/rgb_to_hsi.hh, xyz/rgb_to_xyz.hh, yiq/rgb_to_yiq.hh, yuv/rgb_to_yuv.hh: conversion updated. * cmy/test.cc, xyz/test.cc: . * color/my_hsl.hh: . * color/my_hsv.hh: . * color/my_xyz.hh: . * color/rgb_to_hsi.hh: . * color/rgb_to_hsl.hh: . * color/rgb_to_xyz.hh: . * function.hh: . * testfun.cc: . * xyz/testfun.cc: New test. * xyz: New folder. * yuv/test.cc: . --- cmy/fun.hh | 6 ++- cmy/my_cmy.hh | 59 -------------------------------- cmy/rgb_to_cmy.hh | 6 +++ cmy/test.cc | 10 ++--- color/my_hsl.hh | 79 +++++++++++--------------------------------- color/my_hsv.hh | 65 +++--------------------------------- color/my_xyz.hh | 68 +++++++------------------------------- color/rgb_to_hsi.hh | 3 - color/rgb_to_hsl.hh | 41 ++++++++++++++++------ color/rgb_to_xyz.hh | 50 ++++++++++++++++++++------- function.hh | 49 --------------------------- hsi/fun.hh | 5 ++ hsi/rgb_to_hsi.hh | 6 ++- testfun.cc | 8 ++-- xyz/fun.hh | 52 +++++++++++++++++++++++++++++ xyz/my_xyz.hh | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++ xyz/rgb_to_xyz.hh | 76 ++++++++++++++++++++++++++++++++++++++++++ xyz/test.cc | 28 +++++++++++++++ xyz/testfun.cc | 31 +++++++++++++++++ yiq/fun.hh | 6 ++- yiq/my_yiq.hh | 55 ------------------------------ yiq/rgb_to_yiq.hh | 6 ++- yuv/fun.hh | 6 ++- yuv/my_yuv.hh | 57 ------------------------------- yuv/rgb_to_yuv.hh | 5 ++ yuv/test.cc | 2 - 26 files changed, 437 insertions(+), 435 deletions(-) Index: trunk/milena/sandbox/vigouroux/yuv/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/test.cc (revision 1872) +++ trunk/milena/sandbox/vigouroux/yuv/test.cc (revision 1873) @@ -18,7 +18,7 @@ image2d<value::rgb8> lena; io::ppm::load(lena, "../../../img/lena.ppm"); - image2d< value::yuv_<double, double, double> > lena_hsi + image2d< value::yuv_<float, float, float> > lena_hsi = level::transform(lena, fun::v2v::f_rgb_to_yuv_f()); Index: trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh (revision 1873) @@ -80,7 +80,7 @@ V v_; }; - typedef yuv_<float, float, float> yuv_3x8; + typedef yuv_<float, float, float> yuv_f; typedef yuv_<double, double, double> yuv_d; @@ -88,59 +88,4 @@ } // end of namespace mln -// template <unsigned n> -// struct yuv -// { -// public: -// /// Constructor without argument. -// yuv<n>(); - -// /// Constructor from component values. -// yuv<n>(double y, double u, double v); - -// /// Access to component values. -// double y() const { return this->y_; } -// double u() const { return this->u_; } -// double v() const { return this->v_; } - -// /// Set component values. -// void y(double y) -// { -// this->y_ = y; -// } -// void u(double u) -// { -// this->u_ = u; -// } -// void v(double v) -// { -// mln_precondition(v >= 0); -// this->v_ = v; -// } - -// private: -// double y_; -// double u_; -// double v_; -// }; - -// template <unsigned n> -// inline -// yuv<n>::yuv() -// :y_(0), u_(0), v_(0) -// { -// } - -// template <unsigned n> -// inline -// yuv<n>::yuv(double y, double u, double v) -// { -// mln_precondition(v >= 0); -// this->y_ = y; -// this->u_ = u; -// this->v_ = v; -// } -// } -// } - #endif // ! MLN_VALUE_YUV_HH Index: trunk/milena/sandbox/vigouroux/yuv/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/fun.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yuv/fun.hh (revision 1873) @@ -1,4 +1,3 @@ - #include <cmath> #include <mln/core/image_if_value.hh> @@ -12,7 +11,8 @@ #include "my_yuv.hh" - +#ifndef MLN_YUV_FUN_HH +# define MLN_YUV_FUN_HH namespace mln { @@ -54,3 +54,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_VALUE_YUV_HH Index: trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh (revision 1873) @@ -12,6 +12,9 @@ #include "my_yuv.hh" +#ifndef MLN_RGB_TO_YUV_HH +# define MLN_RGB_TO_YUV_HH + namespace mln { @@ -39,6 +42,7 @@ }; typedef f_rgb_to_yuv_< mln::value::yuv_<double, double, double> > f_rgb_to_yuv_d; + typedef f_rgb_to_yuv_< mln::value::yuv_<float, float, float> > f_rgb_to_yuv_f; template <typename T_rgb> struct f_yuv_to_rgb_ : public Function_v2v< f_yuv_to_rgb_<T_rgb> > @@ -72,3 +76,4 @@ } // end of namespace mln +#endif // ! MLN_RGB_TO_YUV_HH Index: trunk/milena/sandbox/vigouroux/hsi/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/hsi/fun.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/hsi/fun.hh (revision 1873) @@ -11,7 +11,8 @@ #include "../color/my_hsi.hh" - +#ifndef MLN_HSI_FUN_HH +# define MLN_HSI_FUN_HH namespace mln { @@ -62,3 +63,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_HSI_FUN_HH Index: trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh (revision 1873) @@ -1,4 +1,3 @@ - #include <cmath> #include <mln/core/image_if_value.hh> @@ -12,7 +11,8 @@ #include "my_hsi.hh" - +#ifndef MLN_RGB_TO_HSI_HH +# define MLN_RGB_TO_HSI_HH namespace mln { @@ -106,3 +106,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_RGB_TO_HSI_HH Index: trunk/milena/sandbox/vigouroux/function.hh =================================================================== --- trunk/milena/sandbox/vigouroux/function.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/function.hh (revision 1873) @@ -1,4 +1,3 @@ - #include <mln/core/image_if_value.hh> #include <mln/core/inplace.hh> #include <mln/core/w_window2d_int.hh> @@ -47,7 +46,7 @@ // r = mln::fun::v2v::f_cmy_3x8(col); // std::cout << "cmy" << std::endl; // } -// else if (mlc_is_a(T_col, mln::value::YUV)::value == 1) +// if (mlc_is_a(T_col, mln::value::YUV)::value == 1) // { // r = mln::fun::v2v::f_yuv_3x8(col); // std::cout << "yuv" << std::endl; @@ -66,52 +65,6 @@ } }; -// typedef f_rgb_to_hsi_<value::hsi_f> f_r// gb_to_hsi_f_t; - -// f_rgb_to_hsi_f_t f_rgb_to_hsi_f; - - -// template <typename T_rgb> -// struct f_hsi_to_rgb_ : public Function_v2v< f_hsi_to_rgb_<T_rgb> > -// { -// typedef T_rgb result; - -// template <typename T_hsi> -// T_rgb operator()(const T_hsi& hsi) const -// { -// typedef typename T_rgb::red_t red_t; -// typedef typename T_rgb::green_t green_t; -// typedef typename T_rgb::blue_t blue_t; - -// static math::round<red_t> to_r; -// static math::round<green_t> to_g; -// static math::round<blue_t> to_b; - -// static const float -// sqrt3_3 = std::sqrt(3) / 3, -// inv_sqrt6 = 1 / std::sqrt(6), -// inv_sqrt2 = 1 / std::sqrt(2); - -// float -// h = hsi.hue() / 180.0 * 3.1415, -// alpha = hsi.sat() * std::cos(h), -// beta = hsi.sat() * std::sin(h); - - -// red_t r = sqrt3_3 * hsi.inty() + 2 * inv_sqrt6 * beta; -// green_t g = sqrt3_3 * hsi.inty() + inv_sqrt2 * alpha - inv_sqrt6 * beta; -// blue_t b = sqrt3_3 * hsi.inty() - inv_sqrt2 * alpha - inv_sqrt6 * beta; - -// T_rgb rgb(r, g, b); - -// return rgb; -// } -// }; - -// typedef f_hsi_to_rgb_<value::rgb8> f_hsi_to_rgb_3x8_t; - -// f_hsi_to_rgb_3x8_t f_hsi_to_rgb_3x8; - } // end of namespace fun::v2v } // end of namespace fun Index: trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh (revision 1873) @@ -12,6 +12,9 @@ #include "my_cmy.hh" +#ifndef MLN_RGB_TO_CMY_HH +# define MLN_RGB_TO_CMY_HH + namespace mln { @@ -39,6 +42,7 @@ }; typedef f_rgb_to_cmy_< mln::value::cmy_<double, double, double> > f_rgb_to_cmy_d; + typedef f_rgb_to_cmy_< mln::value::cmy_<float, float, float> > f_rgb_to_cmy_f; template <typename T_rgb> struct f_cmy_to_rgb_ : public Function_v2v< f_cmy_to_rgb_<T_rgb> > @@ -70,3 +74,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_RGB_TO_CMY_HH Index: trunk/milena/sandbox/vigouroux/cmy/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/test.cc (revision 1872) +++ trunk/milena/sandbox/vigouroux/cmy/test.cc (revision 1873) @@ -1,5 +1,5 @@ -#include "my_yiq.hh" -#include "rgb_to_yiq.hh" +#include "my_cmy.hh" +#include "rgb_to_cmy.hh" #include <cmath> @@ -18,11 +18,11 @@ image2d<value::rgb8> lena; io::ppm::load(lena, "../../../img/lena.ppm"); - image2d< value::yiq_<double, double, double> > lena_hsi + image2d< value::cmy_<float, float, float> > lena_hsi = level::transform(lena, - fun::v2v::f_rgb_to_yiq_d()); + fun::v2v::f_rgb_to_cmy_f()); image2d<value::rgb8> lena_rgb = level::transform(lena_hsi, - fun::v2v::f_yiq_to_rgb_3x8); + fun::v2v::f_cmy_to_rgb_3x8); } Index: trunk/milena/sandbox/vigouroux/cmy/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/fun.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/cmy/fun.hh (revision 1873) @@ -1,4 +1,3 @@ - #include <cmath> #include <mln/core/image_if_value.hh> @@ -12,7 +11,8 @@ #include "my_cmy.hh" - +#ifndef MLN_CMY_FUN_HH +# define MLN_CMY_FUN_HH namespace mln { @@ -50,3 +50,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_CMY_FUN_HH Index: trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh (revision 1873) @@ -80,68 +80,11 @@ Y yellow_; }; - typedef cmy_<float, float, float> cmy_3x8; + typedef cmy_<float, float, float> cmy_f; typedef cmy_<double, double, double> cmy_d; } // end of namespace mln::value } // end of namespace mln -// template <unsigned n> -// struct cmy -// { -// public: -// /// Constructor without argument. -// cmy(); - -// /// Constructor from component values. -// cmy(double c, double m, double y); - -// /// Access to component values. -// double c() const { return this->c_; } -// double m() const { return this->m_; } -// double y() const { return this->y_; } - -// /// Set component values. -// void c(double c) -// { -// mln_precondition(c >= 0); -// this->c_ = c; -// } -// void m(double m) -// { -// mln_precondition(m >= 0); -// this->m_ = m; -// } -// void y(double y) -// { -// mln_precondition(y >= 0); -// this->y_ = y; -// } - -// private: -// double c_; -// double m_; -// double y_; -// }; - -// template <unsigned n> -// inline -// cmy<n>::cmy() -// :c_(0), m_(0), y_(0) -// { -// } - -// template <unsigned n> -// inline -// cmy<n>::cmy(double c, double m, double y) -// { -// mln_precondition(c >= 0); -// mln_precondition(m >= 0); -// mln_precondition(y >= 0); -// this->c_ = c; -// this->m_ = m; -// this->y_ = y; -// } - #endif // ! MLN_VALUE_CMY_HH Index: trunk/milena/sandbox/vigouroux/xyz/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/xyz/test.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/xyz/test.cc (revision 1873) @@ -0,0 +1,28 @@ +#include "my_xyz.hh" +#include "rgb_to_xyz.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +int main() +{ + using namespace mln; + + image2d<value::rgb8> lena; + io::ppm::load(lena, "../../../img/lena.ppm"); + + image2d< value::xyz_<float, float, float> > lena_hsi + = level::transform(lena, + fun::v2v::f_rgb_to_xyz_f_t()); + +// image2d<value::rgb8> lena_rgb = level::transform(lena_hsi, +// fun::v2v::f_xyz_to_rgb_3x8); +} + Index: trunk/milena/sandbox/vigouroux/xyz/rgb_to_xyz.hh =================================================================== --- trunk/milena/sandbox/vigouroux/xyz/rgb_to_xyz.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/xyz/rgb_to_xyz.hh (revision 1873) @@ -0,0 +1,76 @@ +#ifndef OLENA_CONVERT_RGBXYZ_HH +# define OLENA_CONVERT_RGBXYZ_HH + +# include <mln/core/image_if_value.hh> +# include <mln/core/inplace.hh> +# include <mln/core/w_window2d_int.hh> +# include <mln/display/show.hh> +# include <mln/io/ppm/save.hh> +# include <mln/display/save_and_show.hh> +# include <mln/level/fill.hh> + +# include "my_xyz.hh" + +namespace mln +{ + + namespace fun + { + + namespace v2v + { + template <typename T_xyz> + struct f_rgb_to_xyz_ : public Function_v2v< f_rgb_to_xyz_<T_xyz> > + { + typedef T_xyz result; + + template <typename T_rgb> + T_xyz operator()(const T_rgb& rgb) const + { + T_xyz xyz; + + xyz.x() = 0.490 * rgb.red() + 0.310 * rgb.green() + 0.200 * rgb.blue(); + xyz.y() = 0.177 * rgb.red() + 0.812 * rgb.green() + 0.011 * rgb.blue(); + xyz.z() = 0.010 * rgb.green() + 0.990 * rgb.blue(); + + return xyz; + } + }; + + typedef f_rgb_to_xyz_<value::xyz_f> f_rgb_to_xyz_f_t; + +// f_rgb_to_xyz_f_t f_rgb_to_xyz_f; + + template <typename T_rgb> + struct f_xyz_to_rgb_ : public Function_v2v< f_xyz_to_rgb_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_xyz> + T_rgb operator()(const T_xyz& xyz) const + { + int r; + int g; + int b; + + r = int(2.365 * xyz.x() - 0.896 * xyz.y() - 0.468 * xyz.z()); + g = int(-0.515 * xyz.x() + 1.425 * xyz.y() + 0.089 * xyz.z()); + b = int(0.005 * xyz.x() - 0.014 * xyz.y() + 1.01 * xyz.z()); + + struct value::rgb<8> rgb(r, g, b); + + return rgb; + } + }; + + typedef f_xyz_to_rgb_<value::rgb8> f_xyz_to_rgb_3x8_t; + + f_xyz_to_rgb_3x8_t f_xyz_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln + +#endif // OLENA_CONVERT_RGBXYZ_HH Index: trunk/milena/sandbox/vigouroux/xyz/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/xyz/fun.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/xyz/fun.hh (revision 1873) @@ -0,0 +1,52 @@ +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "my_xyz.hh" + +#ifndef MLN_XYZ_FUN_HH +# define MLN_XYZ_FUN_HH + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_rgb> + struct f_xyz_ : public Function_v2v< f_xyz_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_xyz> + T_rgb operator()(const T_xyz& xyz) const + { + int r; + + r = int(xyz.y() + 1.13983 * xyz.y()); + + struct value::rgb<8> rgb(r, 0, 0); + + return rgb; + } + }; + + typedef f_xyz_<value::rgb8> f_xyz_get_red; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln + +#endif // ! MLN_VALUE_XYZ_HH Index: trunk/milena/sandbox/vigouroux/xyz/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/xyz/testfun.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/xyz/testfun.cc (revision 1873) @@ -0,0 +1,31 @@ +#include "my_xyz.hh" +#include "rgb_to_xyz.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include "rgb_to_xyz.hh" +#include "fun.hh" + +int main() +{ +// typedef mln::value::xyz_d Col; + using namespace mln::fun::v2v; + + mln::value::xyz_d col; + mln::image2d<mln::value::rgb8> lena; + mln::io::ppm::load(lena, "../../../img/lena.ppm"); + + mln::image2d<mln::value::xyz_f> lena_xyz = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_xyz_f_t()); + + mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_xyz, + f_xyz_get_red ()); +} Index: trunk/milena/sandbox/vigouroux/xyz/my_xyz.hh =================================================================== --- trunk/milena/sandbox/vigouroux/xyz/my_xyz.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/xyz/my_xyz.hh (revision 1873) @@ -0,0 +1,93 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + +#ifndef MLN_VALUE_XYZ_HH +# define MLN_VALUE_XYZ_HH + +namespace mln +{ + namespace value + { + + template <typename E> + struct XYZ + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + XYZ<E> > + { + }; + + template <typename X, typename Y, typename Z> + class xyz_ : public XYZ< xyz_<X,Y,Z> > + { + public: + + typedef X x_type; + typedef Y y_type; + typedef Z z_type; + + /// Constructor without argument. + xyz_() + { + } + + /// Constructor from component values. + xyz_(const X& x, const Y& y, const Z& z) + : x_(x), + y_(y), + z_(z) + { + } + + /// Read-only access to the x component. + const X& x() const + { + return this->x_; + } + const Y& y() const + { + return this->y_; + } + const Z& z() const + { + return this->z_; + } + + /// Read-write access to the x component. + X& x() + { + return this->x_; + } + Y& y() + { + return this->y_; + } + Z& z() + { + return this->z_; + } + + private: + X x_; + Y y_; + Z z_; + }; + + typedef xyz_<float, float, float> xyz_f; + + typedef xyz_<double, double, double> xyz_d; + + } // end of namespace mln::value + +} // end of namespace mln + + + +#endif // ! MLN_VALUE_XYZ_HH Index: trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh (revision 1873) @@ -88,59 +88,4 @@ } // end of namespace mln -// template <unsigned n> -// struct yiq -// { -// public: -// /// Constructor without argument. -// yiq<n>(); - -// /// Constructor from component values. -// yiq<n>(double y, double i, double q); - -// /// Access to component values. -// double y() const { return this->y_; } -// double i() const { return this->i_; } -// double q() const { return this->q_; } - -// /// Set component values. -// void y(double y) -// { -// this->y_ = y; -// } -// void i(double i) -// { -// this->i_ = i; -// } -// void q(double q) -// { -// mln_precondition(q >= 0); -// this->q_ = q; -// } - -// private: -// double y_; -// double i_; -// double q_; -// }; - -// template <unsigned n> -// inline -// yiq<n>::yiq() -// :y_(0), i_(0), q_(0) -// { -// } - -// template <unsigned n> -// inline -// yiq<n>::yiq(double y, double i, double q) -// { -// mln_precondition(q >= 0); -// this->y_ = y; -// this->i_ = i; -// this->q_ = q; -// } -// } -// } - #endif // ! MLN_VALUE_YIQ_HH Index: trunk/milena/sandbox/vigouroux/yiq/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/fun.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yiq/fun.hh (revision 1873) @@ -1,4 +1,3 @@ - #include <cmath> #include <mln/core/image_if_value.hh> @@ -12,7 +11,8 @@ #include "my_yiq.hh" - +#ifndef MLN_YIQ_FUN_HH +# define MLN_YIQ_FUN_HH namespace mln { @@ -50,3 +50,5 @@ } // end of namespace fun } // end of namespace mln + +#endif // ! MLN_YIQ_FUN_HH Index: trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh (revision 1873) @@ -12,6 +12,9 @@ #include "my_yiq.hh" +#ifndef MLN_RGB_TO_YIQ_HH +# define MLN_RGB_TO_YIQ_HH + namespace mln { @@ -72,5 +75,4 @@ } // end of namespace mln - - +#endif // ! MLN_RGB_TO_YIQ_HH Index: trunk/milena/sandbox/vigouroux/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/testfun.cc (revision 1872) +++ trunk/milena/sandbox/vigouroux/testfun.cc (revision 1873) @@ -12,18 +12,20 @@ #include <mln/level/transform.hh> #include "function.hh" +#include "yuv/my_yuv.hh" +#include "yuv/fun.hh" +#include "yuv/rgb_to_yuv.hh" int main() { -// typedef mln::value::hsi_d Col; using namespace mln::fun::v2v; mln::value::hsi_d col; mln::image2d<mln::value::rgb8> lena; mln::io::ppm::load(lena, "../../img/lena.ppm"); - mln::image2d<mln::value::hsi_f> lena_hsi = mln::level::transform(lena, - mln::fun::v2v::f_rgb_to_hsi_f); + mln::image2d<mln::value::yuv_f> lena_hsi = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_yuv_f()); mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_hsi, f_get_red_<mln::value::rgb8>()); Index: trunk/milena/sandbox/vigouroux/color/rgb_to_hsl.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/rgb_to_hsl.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/rgb_to_hsl.hh (revision 1873) @@ -11,14 +11,23 @@ # include "my_hsl.hh" -namespace mln { - namespace convert { - struct f_rgb_to_hsl +namespace mln { - struct value::hsl<8> - doit(const struct value::rgb<8> rgb) const + + namespace fun + { + + namespace v2v + { + template <typename T_hsl> + struct f_rgb_to_hsl_ : public Function_v2v< f_rgb_to_hsl_<T_hsl> > + { + typedef T_hsl result; + + template <typename T_rgb> + T_hsl operator()(const T_rgb& rgb) const { - struct value::hsl<8> hsl; + T_hsl hsl; double max_in = std::max(rgb.red(), std::max(rgb.blue(), rgb.green())); double min_in = std::min(rgb.red(), std::min(rgb.blue(), rgb.green())); @@ -29,16 +38,23 @@ hsl.s(); hsl.l(); - return (hsl); + return hsl; } }; - struct f_hsl_to_rgb + typedef f_rgb_to_hsl_<value::hsl_f> f_rgb_to_hsl_f_t; + + f_rgb_to_hsl_f_t f_rgb_to_hsl_f; + + template <typename T_rgb> + struct f_hsl_to_rgb_ : public Function_v2v< f_hsl_to_rgb_<T_rgb> > { - struct value::rgb<8> - doit(const struct value::hsl<8> hsl) const + typedef T_rgb result; + + template <typename T_hsl> + T_rgb operator()(const T_hsl& hsl) const { - struct value::rgb<8> rgb; + T_rgb rgb; int r; int g; int b; @@ -56,10 +72,11 @@ struct value::rgb<8> rgb(r, g, b); - return (rgb); + return rgb; } }; } } +} #endif // OLENA_CONVERT_RGBHSL_HH Index: trunk/milena/sandbox/vigouroux/color/rgb_to_xyz.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/rgb_to_xyz.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/rgb_to_xyz.hh (revision 1873) @@ -11,27 +11,43 @@ # include "my_xyz.hh" -namespace mln { - namespace convert { - struct f_rgb_to_xyz +namespace mln { - struct value::xyz<8> - doit(const struct value::rgb<8> rgb) const + + namespace fun + { + + namespace v2v + { + template <typename T_xyz> + struct f_rgb_to_xyz_ : public Function_v2v< f_rgb_to_xyz_<T_xyz> > { - struct value::xyz<8> xyz; + typedef T_xyz result; + + template <typename T_rgb> + T_xyz operator()(const T_rgb& rgb) const + { + T_xyz xyz; xyz.x(0.490 * rgb.red() + 0.310 * rgb.green() + 0.200 * rgb.blue()); xyz.y(0.177 * rgb.red() + 0.812 * rgb.green() + 0.011 * rgb.blue()); xyz.z(0.010 * rgb.green() + 0.990 * rgb.blue()); - return (xyz); + return xyz; } }; - struct f_xyz_to_rgb + typedef f_rgb_to_xyz_<value::xyz_f> f_rgb_to_xyz_f_t; + + f_rgb_to_xyz_f_t f_rgb_to_xyz_f; + + template <typename T_rgb> + struct f_xyz_to_rgb_ : public Function_v2v< f_xyz_to_rgb_<T_rgb> > { - struct value::rgb<8> - doit(const struct value::xyz<8> xyz) const + typedef T_rgb result; + + template <typename T_xyz> + T_rgb operator()(const T_xyz& xyz) const { int r; int g; @@ -43,10 +59,18 @@ struct value::rgb<8> rgb(r, g, b); - return (rgb); + return rgb; } }; - } -} + + typedef f_xyz_to_rgb_<value::rgb8> f_xyz_to_rgb_3x8_t; + + f_xyz_to_rgb_3x8_t f_xyz_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln #endif // OLENA_CONVERT_RGBXYZ_HH Index: trunk/milena/sandbox/vigouroux/color/my_hsl.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/my_hsl.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/my_hsl.hh (revision 1873) @@ -9,11 +9,17 @@ namespace mln { + namespace value { template <typename E> struct HSL + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + HSL<E> > { }; @@ -53,13 +59,27 @@ return this->light_; } + /// Read-write access to the hue component. + H& hue() + { + return this->hue_; + } + S& sat() + { + return this->sat_; + } + L& light() + { + return this->light_; + } + private: H hue_; S sat_; L light_; }; - typedef hsl_<float, float, float> hsl_3x8; + typedef hsl_<float, float, float> hsl_f; typedef hsl_<double, double, double> hsl_d; @@ -67,61 +87,4 @@ } // end of namespace mln -// template <unsigned n> -// struct hsl -// { -// public: -// /// Constructor without argument. -// hsl<n>(); - -// /// Constructor from component values. -// hsl<n>(int h, int s, int l); - -// /// Access to component values. -// double h() const { return this->h_; } -// double s() const { return this->s_; } -// double l() const { return this->l_; } - -// /// Set component values. -// void h(double h) -// { -// this->h_ = h; -// } -// void s(double s) -// { -// this->s_ = s; -// } -// void l(double l) -// { -// mln_precondition(l >= 0); -// this->l_ = l; -// } - -// private: -// double h_; -// double s_; -// double l_; -// }; - -// template <unsigned n> -// inline -// hsl<n>::hsl() -// :h_(0), s_(0), l_(0) -// { -// } - -// template <unsigned n> -// inline -// hsl<n>::hsl(int h, int s, int l) -// { -// mln_precondition(h >= 0); -// mln_precondition(s >= 0); -// mln_precondition(l >= 0); -// this->h_ = h; -// this->s_ = s; -// this->l_ = l; -// } -// } -// } - #endif // ! MLN_VALUE_HSL_HH Index: trunk/milena/sandbox/vigouroux/color/my_xyz.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/my_xyz.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/my_xyz.hh (revision 1873) @@ -1,3 +1,11 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + #ifndef MLN_VALUE_XYZ_HH # define MLN_VALUE_XYZ_HH @@ -8,6 +16,11 @@ template <typename E> struct XYZ + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + XYZ<E> > { }; @@ -75,59 +88,6 @@ } // end of namespace mln -// template <unsigned n> -// struct xyz -// { -// public: -// /// Constructor without argument. -// xyz<n>(); - -// /// Constructor from component values. -// xyz<n>(double x, double y, double z); - -// /// Access to component values. -// double x() const { return this->x_; } -// double y() const { return this->y_; } -// double z() const { return this->z_; } - -// /// Set component values. -// void x(double x) -// { -// this->x_ = x; -// } -// void y(double y) -// { -// this->y_ = y; -// } -// void z(double z) -// { -// mln_precondition(z >= 0); -// this->z_ = z; -// } - -// private: -// double x_; -// double y_; -// double z_; -// }; - -// template <unsigned n> -// inline -// xyz<n>::xyz() -// :x_(0), y_(0), z_(0) -// { -// } - -// template <unsigned n> -// inline -// xyz<n>::xyz(double x, double y, double z) -// { -// mln_precondition(z >= 0); -// this->x_ = x; -// this->y_ = y; -// this->z_ = z; -// } -// } -// } + #endif // ! MLN_VALUE_XYZ_HH Index: trunk/milena/sandbox/vigouroux/color/my_hsv.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/my_hsv.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/my_hsv.hh (revision 1873) @@ -9,11 +9,17 @@ namespace mln { + namespace value { template <typename E> struct HSV + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + HSV<E> > { }; @@ -73,7 +79,7 @@ V value_; }; - typedef hsv_<float, float, float> hsv_3x8; + typedef hsv_<float, float, float> hsv_f; typedef hsv_<double, double, double> hsv_d; @@ -81,61 +87,4 @@ } // end of namespace mln -// template <unsigned n> -// struct hsv -// { -// public: -// /// Constructor without argument. -// hsv<n>(); - -// /// Constructor from component values. -// hsv<n>(int h, int s, int v); - -// /// Access to component values. -// double h() const { return this->h_; } -// double s() const { return this->s_; } -// double v() const { return this->v_; } - -// /// Set component values. -// void h(double h) -// { -// this->h_ = h; -// } -// void s(double s) -// { -// this->s_ = s; -// } -// void v(double v) -// { -// mln_precondition(v >= 0); -// this->v_ = v; -// } - -// private: -// double h_; -// double s_; -// double v_; -// }; - -// template <unsigned n> -// inline -// hsi<n>::hsv() -// :h_(0), s_(0), v_(0) -// { -// } - -// template <unsigned n> -// inline -// hsv<n>::hsv(int h, int s, int v) -// { -// mln_precondition(h >= 0); -// mln_precondition(s >= 0); -// mln_precondition(v >= 0); -// this->h_ = h; -// this->s_ = s; -// this->v_ = v; -// } -// } -// } - #endif // ! MLN_VALUE_HSV_HH Index: trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh (revision 1872) +++ trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh (revision 1873) @@ -12,12 +12,9 @@ #include "my_hsi.hh" - - namespace mln { - namespace fun {

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Re: [Olena-patches] [Olena] #7: Miscellaneous tasks related to the Olena 1.0 release process
by Olena 17 Apr '08

17 Apr '08

#7: Miscellaneous tasks related to the Olena 1.0 release process -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: levill_r Type: task | Status: new Priority: trivial | Milestone: Olena 1.0 Component: other | Version: 1.0 Resolution: | Keywords: release NEWS dates copyright headers -----------------------+---------------------------------------------------- Changes (by levill_r): * summary: Miscellaneous tasks related to the Olena 1.0ß release process => Miscellaneous tasks related to the Olena 1.0 release process -- Ticket URL: <https://trac.lrde.org/olena/ticket/7#comment:7> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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Re: [Olena-patches] [Olena] #114: Add support for libfitsio
by Olena 17 Apr '08

17 Apr '08

#114: Add support for libfitsio -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: Olena Team Type: task | Status: new Priority: major | Milestone: Olena 1.1 Component: Milena | Version: 1.0 Resolution: | Keywords: autoconf m4 macro -----------------------+---------------------------------------------------- Changes (by levill_r): * owner: levill_r => Olena Team -- Ticket URL: <https://trac.lrde.org/olena/ticket/114#comment:4> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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Re: [Olena-patches] [Olena] #114: Add support for libfitsio
by Olena 17 Apr '08

17 Apr '08

#114: Add support for libfitsio -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: levill_r Type: task | Status: new Priority: major | Milestone: Olena 1.1 Component: Milena | Version: 1.0 Resolution: | Keywords: autoconf m4 macro -----------------------+---------------------------------------------------- Changes (by levill_r): * milestone: Olena 1.0 => Olena 1.1 Comment: Move this task to milestone:"Olena 1.1". -- Ticket URL: <https://trac.lrde.org/olena/ticket/114#comment:3> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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Re: [Olena-patches] [Olena] #74: Review the trunk/milena/mln/morpho directory
by Olena 17 Apr '08

17 Apr '08

#74: Review the trunk/milena/mln/morpho directory -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: levill_r Type: task | Status: assigned Priority: critical | Milestone: Olena 1.0 Component: Milena | Version: 1.0 Resolution: | Keywords: -----------------------+---------------------------------------------------- Old description: > This synthetic ticket pertains to source:trunk/milena/mln/morpho > > * Fix documentation. > * Check style, layout, and typo. > * Add trace(s) in algorithms. > * Move specializations to the `*.spe.hh` files. > * Check `all.hh` presence. > * Move the tests to its own specific directory. > * Add the potential missing unit tests and full tests. > > Also, in particular: > > * Ensure dual operators have « symmetrical » definitions. For instance, > source:trunk/milena/mln/morpho/dilation.hh and > source:trunk/milena/mln/morpho/erosion.hh are really different! > * Remove anything related to so-called « attached neighborhoods » (as > far as I can remember, only source:trunk/milena/mln/morpho/dilation.hh > uses the)m; we'll get back to this later, for Olena 1.1 (see #130). New description: This synthetic ticket pertains to source:trunk/milena/mln/morpho * Fix documentation. * Check style, layout, and typo. * Add trace(s) in algorithms. * Move specializations to the `*.spe.hh` files. * Check `all.hh` presence. * Move the tests to its own specific directory. * Add the potential missing unit tests and full tests. Also, in particular: * Ensure dual operators have « symmetrical » definitions. For instance, source:trunk/milena/mln/morpho/dilation.hh and source:trunk/milena/mln/morpho/erosion.hh are really different! * Remove anything related to so-called « attached neighborhoods » (as far as I can remember, only source:trunk/milena/mln/morpho/dilation.hh uses the)m; we'll get back to this later, for Olena 1.1 (see #130). * (From #131:) Files source:trunk/milena/mln/morpho/opening_area.hh, source:trunk/milena/mln/morpho/opening_attribute.hh, etc. and their routines are called `opening_area` and `opening_attribute`, which is not elegant. Of course the goal is to put forward the « opening » term; but IMHO, we should use namespaces to do this, not prefixes. Or rename them to `area_opening` and `attribute_opening`, which are much more natural. Comment (by levill_r): Move some naming remarks from #131 to this ticket. -- Ticket URL: <https://trac.lrde.org/olena/ticket/74#comment:3> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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Re: [Olena-patches] [Olena] #74: Review the trunk/milena/mln/morpho directory
by Olena 17 Apr '08

17 Apr '08

#74: Review the trunk/milena/mln/morpho directory -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: levill_r Type: task | Status: assigned Priority: critical | Milestone: Olena 1.0 Component: Milena | Version: 1.0 Resolution: | Keywords: -----------------------+---------------------------------------------------- Changes (by levill_r): * status: new => assigned -- Ticket URL: <https://trac.lrde.org/olena/ticket/74#comment:2> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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Re: [Olena-patches] [Olena] #74: Review the trunk/milena/mln/morpho directory
by Olena 17 Apr '08

17 Apr '08

#74: Review the trunk/milena/mln/morpho directory -----------------------+---------------------------------------------------- Reporter: levill_r | Owner: levill_r Type: task | Status: new Priority: critical | Milestone: Olena 1.0 Component: Milena | Version: 1.0 Resolution: | Keywords: -----------------------+---------------------------------------------------- Changes (by levill_r): * priority: major => critical Old description: > This synthetic ticket pertains to source:trunk/milena/mln/morpho > > * Fix documentation. > * Check style, layout, and typo. > * Add trace(s) in algorithms. > * Move specializations to the `*.spe.hh` files. > * Check `all.hh` presence. > * Move the tests to its own specific directory. > * Add the potential missing unit tests and full tests. New description: This synthetic ticket pertains to source:trunk/milena/mln/morpho * Fix documentation. * Check style, layout, and typo. * Add trace(s) in algorithms. * Move specializations to the `*.spe.hh` files. * Check `all.hh` presence. * Move the tests to its own specific directory. * Add the potential missing unit tests and full tests. Also, in particular: * Ensure dual operators have « symmetrical » definitions. For instance, source:trunk/milena/mln/morpho/dilation.hh and source:trunk/milena/mln/morpho/erosion.hh are really different! * Remove anything related to so-called « attached neighborhoods » (as far as I can remember, only source:trunk/milena/mln/morpho/dilation.hh uses the)m; we'll get back to this later, for Olena 1.1 (see #130). Comment: * Mention the case of diverging paired files like source:trunk/milena/mln/morpho/dilation.hh and source:trunk/milena/mln/morpho/erosion.hh. * Mention the case(s) of attached neighborhood that should be removed before the release of Olena 1.0. -- Ticket URL: <https://trac.lrde.org/olena/ticket/74#comment:1> Olena <http://olena.lrde.epita.fr> Olena, a generic and efficient C++ image processing library.

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milena r1872: Add a new level set computation
by Matthieu Garrigues 16 Apr '08

16 Apr '08

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2008-04-16 Matthieu Garrigues <garrigues(a)lrde.epita.fr> Add a new level set computation. * sandbox/garrigues/fllt/fllt_theo.cc: New. * mln/accu/bbox.hh: Add a method to add a box to an accu::bbox. --- mln/accu/bbox.hh | 24 ++++ sandbox/garrigues/fllt/fllt_theo.cc | 188 ++++++++++++++++++++++++++++++++++++ 2 files changed, 212 insertions(+) Index: trunk/milena/mln/accu/bbox.hh =================================================================== --- trunk/milena/mln/accu/bbox.hh (revision 1871) +++ trunk/milena/mln/accu/bbox.hh (revision 1872) @@ -60,6 +60,7 @@ void take_as_init(const P& p); void take(const P& p); void take(const bbox& other); + void take(const box_& other); const box_& to_result() const; @@ -146,6 +147,29 @@ template <typename P> inline + void + bbox::take(const box_& other) + { + if (other.npoints() == 0) + { + // no-op + return; + } + if (! this->is_valid_) + { + b_ = other; + return; + } + // both are valids so: + for (unsigned i = 0; i < P::dim; ++i) + if (other.pmin()[i] < b_.pmin()[i]) + b_.pmin()[i] = other.pmin()[i]; + else if (other.pmax()[i] > b_.pmax()[i]) + b_.pmax()[i] = other.pmax()[i]; + } + + template <typename P> + inline const box_& bbox::to_result() const { Index: trunk/milena/sandbox/garrigues/fllt/fllt_theo.cc =================================================================== --- trunk/milena/sandbox/garrigues/fllt/fllt_theo.cc (revision 0) +++ trunk/milena/sandbox/garrigues/fllt/fllt_theo.cc (revision 1872) @@ -0,0 +1,188 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory +// +// 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/image2d.hh> +#include <mln/core/neighb2d.hh> +#include <mln/core/p_array.hh> +#include <mln/core/clone.hh> + +#include <mln/value/int_u8.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> + +#include <mln/level/fill.hh> +#include <mln/debug/println.hh> +#include <mln/labeling/regional_minima.hh> +#include <mln/accu/bbox.hh> + + +namespace mln +{ + + namespace my + { + + template <typename N_t> + unsigned compute_gN(const N_t& N) + { + for (unsigned i = 0; i < 256; ++i) + if (N[i].npoints() != 0) + return i; + mln_invariant(0); + return 0; + } + + + template <typename I, typename Nbh> + void fllt(const Image& input_, const Neighborhood<Nbh>& nbh_) + { + const I& input = exact(input_); + const Nbh& nbh = exact(nbh_); + + unsigned l = 0, l_max; + mln_ch_value(I, unsigned) reg_min = labeling::regional_minima(input, nbh, l_max); + + // Variables. + I u = mln::clone(input); + mln_point(I) x0; + mln_value(I) g, gN; + image2d<unsigned char> is(input.domain()); + const unsigned in_R = 1, in_N = 2, in_O = 0; + + typedef p_array<mln_point(I)> arr_t; + arr_t A; + arr_t N[256]; + + accu::bbox<mln_point(I)> R_box; + + int cpt = 0; + + // Step 1. + step_1: + { + if (l == l_max) + return; + l += 1; + mln_piter(I) p(input.domain()); + for_all(p) + if (reg_min(p) == l) + break; + x0 = p; + g = input(x0); + } + + // Step 2. + step_2: + { + R_box.init(); + level::fill(is, in_O); + A.append(x0); + } + + // Step 3. + step_3: + { + mln_piter(arr_t) a(A); + mln_niter(Nbh) x(nbh, a); + + // Stop. + if (A.npoints() > 0) + goto end; + + // R <- R U A + for_all(a) + is(a) = in_R; + mln_assertion(A.npoints() > 0); + R_box.take(A.bbox()); + + // N <- N U { x in nbh of A and not in R } + for_all(a) + for_all(x) + if (u.has(x) && is(x) != in_R) + N[u(x)].append(x); + + // gN = min u(x) for all x in N + gN = compute_gN(N); + + // FIXME: update the number of CC of the border of R + } + + // Step 4. + step_4: + { + // a) + if (g < gN) + { + // FIXME: DO the hole thing. + A = N[g]; + N[g].clear(); + g = gN; + gN = compute_gN(N); + goto step_3; + } + // b) + else if (g == gN) + { + A = N[g]; + N[g].clear(); + g = gN; + gN = compute_gN(N); + goto step_3; + } + // c) + else + { + mln_piter(box_<mln_point(I)>) p(R_box); + for_all(p) + if (is(p) == in_R) + u(p) = g; + goto step_1; + } + } + end: + { + } + } + + } // end of namespace mln::my + +} // end of namespace mln + + +int main() +{ + using namespace mln; + using value::int_u8; + + image2d<int_u8> lena; + io::pgm::load(lena, "small.pgm"); + + my::fllt(lena, c4()); + io::pgm::save(lena, "./out.pgm"); + +}

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