URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2008-03-04 Caroline Vigouroux &lt;vigour_c(a)epita.fr&gt; Root Mean Square of error. * load.cc: . * moyenne.cc: New Root Mean Square function. --- load.cc | 18 +++++++++++ moyenne.cc | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+) Index: trunk/milena/sandbox/vigouroux/load.cc =================================================================== --- trunk/milena/sandbox/vigouroux/load.cc (revision 1762) +++ trunk/milena/sandbox/vigouroux/load.cc (revision 1763) @@ -24,6 +24,24 @@ #include <iostream> +// template <typename I, typename O, typename W> +// float moyenne (I& ima, O& out, W& win) +// { +// mln::value::rgb8 c2; +// mln_piter(I) p(out.domain()); +// mln_qixter(I, W) q(ima, win, p); +// for_all(p) +// { +// for_all(q) +// { +// q.val() +// } +// out(p) = c2; +// } + +// return (); +// } + template <typename I, typename O, typename W> void test_fill(I& ima, O& out, W& win) { Index: trunk/milena/sandbox/vigouroux/moyenne.cc =================================================================== --- trunk/milena/sandbox/vigouroux/moyenne.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/moyenne.cc (revision 1763) @@ -0,0 +1,97 @@ +#include <mln/core/image2d.hh> +#include <mln/value/int_u8.hh> +#include "color/my_hsi.hh" +#include "color/rgb_to_hsi.hh" +#include <mln/display/save_and_show.hh> +#include <mln/value/rgb.hh> +#include <mln/value/rgb8.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include <mln/core/w_window2d_float.hh> +#include <mln/border/thickness.hh> +#include <mln/linear/convolve.hh> + +# include <mln/display/save.hh> +# include <mln/display/show.hh> + +#include <mln/core/image2d.hh> +#include <mln/win/rectangle2d.hh> +#include <mln/make/pixel.hh> +#include <cmath> + +#include <iostream> + +// template <typename I, typename O, typename W> +// float moyenne (I& ima, O& out, W& win) +// { +// mln::value::rgb8 c2; +// mln_piter(I) p(out.domain()); +// mln_qixter(I, W) q(ima, win, p); +// for_all(p) +// { +// for_all(q) +// { +// q.val() +// } +// out(p) = c2; +// } + +// return (); +// } + +template <typename I, typename O, typename W> +float moyenne (I& ima, O& out, W& win) +{ + mln::value::hsi_3x8 c_hsi; + mln::value::rgb8 c2; + float distred = 0; + float distgreen = 0; + float distblue = 0; + float sum = 0; + float nb_ct = 0; + float moy = 0; + + mln_piter(I) p(out.domain()); + mln_qixter(I, W) q(ima, win, p); + for_all(p) + { + for_all(q) + { + c_hsi = mln::fun::v2v::f_rgb_to_hsi_3x8(q.val()); + c2 = mln::fun::v2v::f_hsi_to_rgb_3x8(c_hsi); + distred = c2.red() - q.val().red(); + distgreen = c2.green() - q.val().green(); + distblue = c2.blue() - q.val().blue(); + } + nb_ct += 3; + sum += distred * distred + distblue * distblue + distgreen * distgreen; + out(p) = c2; + } + moy = sqrt(sum / nb_ct); + std::cout << "nb_point: " << nb_ct / 3 << std::endl; + return (moy); +} + +int main() +{ + using namespace mln; + using value::int_u8; + image2d<mln::value::rgb8> lena; + io::ppm::load(lena, "../../img/lena.ppm"); + image2d<mln::value::hsi_3x8> inter(lena.domain()); + image2d<mln::value::rgb8> out(lena.domain()); + const image2d<mln::value::rgb8> input = exact(lena); + float lol; + + win::rectangle2d rect(3, 3); + lol = moyenne(input, out, rect); + + std::cout << "moyenne: " << lol << std::endl; + + display::save_and_show (out, "display", 50); +} +