[Olena-patches] olena-2.0-19-g3864857 New example demonstrating the use of influence zones.

* apps/morphers/iz.cc: New. * apps/morphers/iz_input.pbm: New. Signed-off-by: Roland Levillain &lt;roland(a)lrde.epita.fr&gt; --- milena/ChangeLog | 7 ++ milena/apps/morphers/iz.cc | 129 +++++++++++++++++++++++++++++++++++++ milena/apps/morphers/iz_input.pbm | Bin 0 -> 21890 bytes 3 files changed, 136 insertions(+), 0 deletions(-) create mode 100644 milena/apps/morphers/iz.cc create mode 100644 milena/apps/morphers/iz_input.pbm diff --git a/milena/ChangeLog b/milena/ChangeLog index 920aac7..b6a62e7 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,10 @@ +2012-06-20 Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; + + New example demonstrating the use of influence zones. + + * apps/morphers/iz.cc: New. + * apps/morphers/iz_input.pbm: New. + 2012-06-21 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; New ``lazy'' recorder morpher in apps/morpher. diff --git a/milena/apps/morphers/iz.cc b/milena/apps/morphers/iz.cc new file mode 100644 index 0000000..d02fd40 --- /dev/null +++ b/milena/apps/morphers/iz.cc @@ -0,0 +1,129 @@ +#include <mln/core/image/image2d.hh> +#include <mln/core/alias/neighb2d.hh> + +#include <mln/data/fill.hh> +#include <mln/data/paste.hh> +#include <mln/data/convert.hh> +#include <mln/data/saturate.hh> + +#include <mln/labeling/value.hh> +#include <mln/labeling/colorize.hh> + +#include <mln/morpho/watershed/superpose.hh> +#include <mln/morpho/watershed/flooding.hh> +#include <mln/morpho/elementary/dilation.hh> +#include <mln/morpho/closing/area.hh> +#include <mln/morpho/closing/structural.hh> + +#include <mln/transform/distance_front.hh> +#include <mln/transform/influence_zone_front.hh> + +#include <mln/pw/all.hh> +#include <mln/core/image/dmorph/image_if.hh> +#include <mln/core/image/dmorph/sub_image.hh> + +#include <mln/make/w_window2d.hh> + +#include <mln/io/pbm/load.hh> +#include <mln/io/pbm/save.hh> +#include <mln/io/pgm/save.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/literal/colors.hh> + + + + +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.pbm output.ppm" << std::endl; + std::abort(); +} + + +int main(int argc, char* argv[]) +{ + using namespace mln; + using value::int_u8; + + if (argc != 3) + usage(argv); + + image2d<bool> input, clo; + io::pbm::load(input, argv[1]); + + + /// Structural closing. + clo = morpho::closing::structural(input, + win::rectangle2d(5, 17)); + + io::pbm::save(clo, "tmp_clo.pgm"); + + + /// Distance map computation. + int ww[] = { 00, 11, 0, 11, 0, + 11, 7, 5, 7, 11, + 00, 5, 0, 5, 0, + 11, 7, 5, 7, 11, + 00, 11, 0, 11, 0 }; + + + image2d<int_u8> dmap; + dmap = transform::distance_front(clo, + c4(), make::w_window2d(ww), + mln_max(int_u8)); + dmap = morpho::closing::area(dmap, c4(), 500); + + io::pgm::save(dmap, "tmp_dmap.pgm"); + + + unsigned nbasins; + image2d<unsigned> ws = morpho::watershed::flooding(dmap, + c4(), + nbasins); + + io::ppm::save(labeling::colorize(value::rgb8(), ws), "tmp_ws.ppm"); + + { + image2d<value::rgb8> ws_ = data::convert(value::rgb8(), input); + data::fill((ws_ | (pw::value(ws) == pw::cst(0))).rw(), literal::red); + io::ppm::save(ws_, "tmp_ws_superpose.ppm"); + + // test% g++ -I. main.cc -DNDEBUG -O2 + // main.cc: In function ‘int main(int, char**)’: + // main.cc:85: error: no matching function for call to ‘convert(mln::image2d<bool>&, mln::value::rgb8)’ + + // /// Convert the image \p input by changing the value type. + // /// + // /// \param[in] v A value of the destination type. + // /// \param[in] input The input image. + // // + // template <typename V, typename I> + // mln_ch_value(I, V) + // convert(const V& v, const Image<I>& input); + } + + + image2d<unsigned> lab(input.domain()); + data::fill(lab, 0); + + unsigned nlabels; + data::paste(labeling::value(ws | make::box2d(0,0,input.nrows()-1,0), + 0, c4(), nlabels), + lab); + + io::pgm::save(data::saturate(value::int_u8(), lab), "tmp_lab.pgm"); + + + data::paste(transform::influence_zone_front(lab | (pw::value(ws) == pw::cst(0)), + c8(), + make::w_window2d(ww)), + lab); + io::pgm::save(data::saturate(value::int_u8(), lab), "tmp_iz.pgm"); + + image2d<value::rgb8> output = labeling::colorize(value::rgb8(), lab); + io::ppm::save(output, "tmp_iz.ppm"); + + data::fill((output | pw::value(input)).rw(), literal::white); + io::ppm::save(output, "tmp_iz_input.ppm"); +} diff --git a/milena/apps/morphers/iz_input.pbm b/milena/apps/morphers/iz_input.pbm new file mode 100644 index 0000000..8470277 Binary files /dev/null and b/milena/apps/morphers/iz_input.pbm differ -- 1.7.2.5