[Olena-patches] cleanup-2008 2697: INIM: Classif: Add projection.

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena/sandbox Index: ChangeLog from Ugo Jardonnet &lt;ugo.jardonnet(a)lrde.epita.fr&gt; INIM: Classif: Add projection. * classif/iccvg04.cc: Fix wrong init. * classif/proj.hh: Add generic proj. iccvg04.cc | 6 +++-- proj.hh | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+), 2 deletions(-) Index: classif/iccvg04.cc --- classif/iccvg04.cc (revision 2696) +++ classif/iccvg04.cc (working copy) @@ -31,6 +31,7 @@ #include <string.h> #include <stdlib.h> +#include "proj.hh" using namespace mln; @@ -102,7 +103,7 @@ memset(count, 0, (nbasins + 1) * sizeof(unsigned)); algebra::vec<3, unsigned> sum[nbasins + 1]; - for (int i = 1; i < nbasins + 1; ++i) + for (int i = 0; i < nbasins + 1; ++i) sum[i] = literal::zero; // Compute representatives of every class @@ -127,7 +128,6 @@ I out(ima.domain()); for_all(pi) { - //retrieve color class value::rgb8 coul = ima(pi); int w = ws(point3d(coul.red() / f, coul.green() / f, coul.blue() / f)); @@ -177,4 +177,6 @@ //classify image classify_image(ima, histo, ws, nbasins, div_factor); + + save_class(histo_closure, "histo.ppm"); } Index: classif/proj.hh --- classif/proj.hh (revision 0) +++ classif/proj.hh (revision 0) @@ -0,0 +1,64 @@ +// 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. + +#ifndef MLN_PROJ_HH +# define MLN_PROJ_HH + +#include <mln/io/ppm/save.hh> +#include <mln/io/pgm/save.hh> +#include <mln/level/paste.hh> +#include <mln/accu/mean.hh> + +namespace mln +{ + + template <typename T, typename A> + image2d<mln_result(A)> + proj(const image3d<T>& input, A a) + { + image2d<A> acc(geom::nslis(input), geom::nrows(input)); + mln_piter(image3d<T>) p(input.domain()); + for_all(p) // 3d + acc.at(p.sli(), p.row()).take(input(p)); + + image2d<mln_result(A)> output(acc.domain()); + level::paste(acc, output); + return output; + } + + template <typename T> + void + save_class(const image3d<T>& histo, const char * fn) + { + accu::mean<unsigned, unsigned long, value::int_u8> mean; + io::pgm::save(proj(histo, mean), fn); + } + +} // end of namespace mln + +#endif /* MLN_PROJ_HH */ +