* green/exp/annotating/stddev_color_16: New directory. * green/exp/annotating/stddev_color_16/Makefile.am: New Makefile. * green/exp/annotating/stddev_color_16/stddev_color_16.cc: New demo. --- milena/sandbox/ChangeLog | 8 ++ .../{nb_color => stddev_color_16}/Makefile.am | 0 .../annotating/stddev_color_16/stddev_color_16.cc | 87 ++++++++++++-------- 3 files changed, 60 insertions(+), 35 deletions(-) copy milena/sandbox/green/exp/annotating/{nb_color => stddev_color_16}/Makefile.am (100%) copy milena/sandbox/green/{demo => exp}/annotating/stddev_color_16/stddev_color_16.cc (70%) diff --git a/milena/sandbox/ChangeLog b/milena/sandbox/ChangeLog index 423c61b..7ec7a8a 100644 --- a/milena/sandbox/ChangeLog +++ b/milena/sandbox/ChangeLog @@ -77,6 +77,14 @@ 2009-12-16 Yann Jacquelet &lt;jacquelet(a)lrde.epita.fr&gt; + Test the local deviation operator (Millet2008) on the annotating base. + + * green/exp/annotating/stddev_color_16: New directory. + * green/exp/annotating/stddev_color_16/Makefile.am: New Makefile. + * green/exp/annotating/stddev_color_16/stddev_color_16.cc: New demo. + +2009-12-16 Yann Jacquelet &lt;jacquelet(a)lrde.epita.fr&gt; + Introduce the local deviation operator (Millet2008) which subdivise the image in 16 parts. diff --git a/milena/sandbox/green/exp/annotating/nb_color/Makefile.am b/milena/sandbox/green/exp/annotating/stddev_color_16/Makefile.am similarity index 100% copy from milena/sandbox/green/exp/annotating/nb_color/Makefile.am copy to milena/sandbox/green/exp/annotating/stddev_color_16/Makefile.am diff --git a/milena/sandbox/green/demo/annotating/stddev_color_16/stddev_color_16.cc b/milena/sandbox/green/exp/annotating/stddev_color_16/stddev_color_16.cc similarity index 70% copy from milena/sandbox/green/demo/annotating/stddev_color_16/stddev_color_16.cc copy to milena/sandbox/green/exp/annotating/stddev_color_16/stddev_color_16.cc index 5e95c76..c196595 100644 --- a/milena/sandbox/green/demo/annotating/stddev_color_16/stddev_color_16.cc +++ b/milena/sandbox/green/exp/annotating/stddev_color_16/stddev_color_16.cc @@ -2,6 +2,7 @@ #include <iostream> #include <sstream> +#include <boost/filesystem.hpp> #include <mln/img_path.hh> @@ -27,6 +28,7 @@ #include <mln/io/plot/save_image_sh.hh> #include <mln/math/sqr.hh> +#include <mln/math/max.hh> #include <mln/opt/at.hh> @@ -41,9 +43,7 @@ float r(short p, unsigned histo_p, short x, unsigned histo_x) return result; } -unsigned stddev_color(mln::image2d<mln::value::int_u8> input_int_u8, - const char *name_histo, - const char *name_image) +float stddev_color(mln::image2d<mln::value::int_u8> input_int_u8) { typedef mln::point1d t_point1d; typedef mln::value::rgb8 t_rgb8; @@ -57,15 +57,8 @@ unsigned stddev_color(mln::image2d<mln::value::int_u8> input_int_u8, t_histo1d histo; - std::cout << "histo : " << name_histo << std::endl; - std::cout << "image : " << name_image << std::endl; - histo = mln::data::compute(t_histo1d_fun(), input_int_u8); - mln::io::pgm::save(input_int_u8, name_image); - mln::io::plot::save_image_sh(histo, name_histo); - mln::debug::println(histo); - // Find the peak of the histogram unsigned v_max = mln::opt::at(histo, 0); short p_max = 0; @@ -100,16 +93,10 @@ unsigned stddev_color(mln::image2d<mln::value::int_u8> input_int_u8, stddev = (250 < p_max)? stddev_low : (5 > p_max)? stddev_up : (stddev_low + stddev_up)/2; - std::cout << "max_site : " << p_max << std::endl; - std::cout << "h(max_site) : " << v_max << std::endl; - std::cout << "stddev_up : " << stddev_up << std::endl; - std::cout << "stddev_low : " << stddev_low << std::endl; - std::cout << "stddev : " << stddev << std::endl; - - return 0; + return stddev; } -unsigned stddev_color_16(const std::string& image) +float stddev_color_16(const std::string& image) { typedef mln::point1d t_point1d; typedef mln::value::rgb8 t_rgb8; @@ -134,8 +121,7 @@ unsigned stddev_color_16(const std::string& image) unsigned sz_row = (pmax.row() - pmin.row())/ 4; unsigned sz_col = (pmax.col() - pmin.col())/ 4; - - std::cout << domain << std::endl; + float stddev = 0.0; // Divide the domain in nine sub-domains. for (unsigned i = 0; i < 4; ++i) @@ -145,34 +131,65 @@ unsigned stddev_color_16(const std::string& image) mln::point2d max(pmin.row()+sz_row*(i+1),pmin.col()+sz_col*(j+1)); mln::box2d dom(min,max); - std::cout << dom << std::endl; - // Save it t_image2d_int_u8 input_1o16_int_u8(dom); - std::ostringstream name_histo(""); - std::ostringstream name_image(""); - - name_histo << "histo" << i << "_" << j << ".sh"; - name_image << "image" << i << "_" << j << ".ppm"; mln::data::paste(input_int_u8 | dom, input_1o16_int_u8); - stddev_color(input_1o16_int_u8, - name_histo.str().c_str(), - name_image.str().c_str()); + stddev = mln::math::max(stddev, stddev_color(input_1o16_int_u8)); } - return 0; + return stddev; } int main() { -// unsigned val = stddev_color_16(ANNOTATING_PHOTO_IMG_PATH "/photo01.ppm"); - unsigned val = stddev_color_16(ANNOTATING_LOGO_IMG_PATH "/logo06.ppm"); + typedef boost::filesystem::path t_path; + typedef boost::filesystem::directory_iterator t_iter_path; + + t_path full_path[] = {t_path(ANNOTATING_BILL_IMG_PATH), + t_path(ANNOTATING_FAX_IMG_PATH), + t_path(ANNOTATING_HANDWRITTEN_IMG_PATH), + t_path(ANNOTATING_LOGO_IMG_PATH), + t_path(ANNOTATING_MAP_IMG_PATH), + t_path(ANNOTATING_PHOTO_IMG_PATH), + t_path(ANNOTATING_SCREENSHOT_IMG_PATH), + t_path(ANNOTATING_SLIDE_IMG_PATH), + t_path(ANNOTATING_TYPED_IMG_PATH)}; + + for (int i = 0; i < 9; ++i) + { + std::cerr << "entering " << full_path[i] << std::endl; + std::cout << "entering " << full_path[i] << std::endl; -// std::cout << "nb color : " << val << std::endl; + if (boost::filesystem::exists(full_path[i]) && + boost::filesystem::is_directory(full_path[i])) + { + boost::filesystem::system_complete(full_path[i]); + const t_iter_path end_iter; + float count = 0; + float sum1 = 0; + float sum2 = 0; + + for (t_iter_path dir_iter(full_path[i]); end_iter != dir_iter; ++dir_iter) + { + float val = stddev_color_16(dir_iter->path().string()); + + ++count; + sum1 += val; + sum2 += val*val; + + std::cout << dir_iter->path().string() << " => " << val << std::endl; + } + + float mean = sum1 / count; + float var = ((float)sum2 / count) - (mean * mean); + + std::cout << "mean : " << mean << std::endl; + std::cout << "var : " << var << std::endl; + } + } return 0; } - -- 1.5.6.5