[Olena-patches] 3685: Update src of 'color labeling mean'.

https://svn.lrde.epita.fr/svn/oln/trunk/milena/sandbox Index: ChangeLog from Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Update src of 'color labeling mean'. * theo/exec/color_labeling_mean.cc: Update. color_labeling_mean.cc | 36 +++++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 9 deletions(-) Index: theo/exec/color_labeling_mean.cc --- theo/exec/color_labeling_mean.cc (revision 3684) +++ theo/exec/color_labeling_mean.cc (working copy) @@ -6,6 +6,8 @@ #include <mln/level/transform.hh> #include <mln/value/label_8.hh> +#include <mln/value/int_u16.hh> +#include <mln/level/convert.hh> #include <mln/io/pgm/load.hh> #include <mln/io/ppm/load.hh> @@ -13,32 +15,48 @@ +void usage(char* argv[]) +{ + std::cerr << "usage: " << argv[0] << " input.ppm label.pgm output.pgm" << std::endl + << " Replace every label by its mean color value." << std::endl; + std::abort(); +} int main(int argc, char* argv[]) { using namespace mln; using value::int_u8; + using value::int_u16; using value::label_8; using value::rgb8; + if (argc != 4) + usage(argv); + + + image2d<rgb8> ima; + io::ppm::load(ima, argv[1]); + + image2d<int_u8> lab; - io::pgm::load(lab, argv[1]); + io::pgm::load(lab, argv[2]); - int_u8 min, nlabels; - estim::min_max(lab, min, nlabels); + image2d<int_u16> lab_ = level::convert(int_u16(), lab); - std::cout << min << ' ' << nlabels << std::endl; + int_u16 min, nlabels; + estim::min_max(lab_, min, nlabels); - image2d<rgb8> ima; - io::ppm::load(ima, argv[2]); + std::cout << "n labels = " << nlabels << std::endl; accu::mean<rgb8> m_; typedef algebra::vec<3,float> V; - util::array<V> m = labeling::compute(m_, ima, lab, nlabels); + util::array<V> m = labeling::compute(m_, ima, lab_, nlabels); + + util::array<rgb8> c(unsigned(nlabels) + 1); - util::array<rgb8> c(nlabels + 1); - for (unsigned l = 0; l <= nlabels; ++l) + c[0] = rgb8(0,0,0); + for (unsigned l = 1; l <= nlabels; ++l) { c[l].red() = m[l][0]; c[l].green() = m[l][1];