* mln/labeling/mean_values.hh: New. Create an image with the component mean values. --- milena/ChangeLog | 7 ++ milena/mln/labeling/mean_values.hh | 190 ++++++++++++++++++++++++++++++++++++ 2 files changed, 197 insertions(+), 0 deletions(-) create mode 100644 milena/mln/labeling/mean_values.hh diff --git a/milena/ChangeLog b/milena/ChangeLog index fb64ae9..92e7c44 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,12 @@ 2009-02-11 Guillaume Lazzara <z@lrde.epita.fr> + Add labeling::mean_values. + + * mln/labeling/mean_values.hh: New. Create an image with the component + mean values. + +2009-02-11 Guillaume Lazzara <z@lrde.epita.fr> + Various small fixes. * mln/convert/from_to.hxx diff --git a/milena/mln/labeling/mean_values.hh b/milena/mln/labeling/mean_values.hh new file mode 100644 index 0000000..d7c131a --- /dev/null +++ b/milena/mln/labeling/mean_values.hh @@ -0,0 +1,190 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +// +// 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_LABELING_MEAN_VALUES_HH +# define MLN_LABELING_MEAN_VALUES_HH + +# include <mln/core/concept/image.hh> + +/// \file mln/labeling/mean_values.hh +/// +/// Construct from a labeled image a new image, the labels values are +/// replaced by the components mean values. + + +namespace mln +{ + + // Forward declaration + namespace value + { + template <unsigned n> struct rgb; + } + + + namespace labeling + { + + template <typename I, typename L> + mln_concrete(I) + mean_colors(const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels); + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + template <typename I, typename L> + void + mean_values_tests(const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + { + mln_precondition(exact(input).is_valid()); + mln_precondition(exact(lbl).is_valid()); + (void) input; + (void) lbl; + (void) nlabels; + } + + } // end of namespace mln::labeling::internal + + + namespace impl + { + + namespace generic + { + + template <typename I, typename L> + mln_concrete(I) + mean_values(const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + { + internal::mean_values_tests(input, lbl, nlabels); + + trace::warning("labeling::impl::generic::mean_values() is not \ + implemented!"); + //FIXME: to write! + abort(); + } + + } + + template <typename I, typename L> + mln_concrete(I) + mean_values_rgb(const Image<I>& input_, + const Image<L>& lbl_, mln_value(L) nlabels) + { + trace::entering("mln::labeling::mean_values_rgb"); + + internal::mean_values_tests(input_, lbl_, nlabels); + + const I& input = exact(input_); + const L& lbl = exact(lbl_); + + util::array<vec3d_f> m_3f = labeling::compute(accu::mean<mln_value(I)>(), + input, // input color image + lbl, // watershed labeling + nlabels); + m_3f[0] = literal::zero; + + util::array<mln_value(I)> m; + convert::from_to(m_3f, m); + m[0] = literal::white; //FIXME: handle label 0 correctly. + + mln_concrete(I) output = level::transform(lbl, + convert::to< fun::i2v::array<mln_value(I)> >(m)); + + + trace::exiting("mln::labeling::mean_values_rgb"); + return output; + } + + } // end of namespace mln::morpho::impl + + + namespace internal + { + + template <unsigned n, typename I, typename L> + mln_concrete(I) + mean_values_dispatch(const value::rgb<n>&, + const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + { + return impl::mean_values_rgb(input, lbl, nlabels); + } + + template <typename I, typename L> + mln_concrete(I) + mean_values_dispatch(const mln_value(I)&, + const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + { + return impl::generic::mean_values(input, lbl, nlabels); + } + + template <typename I, typename L> + mln_concrete(I) + mean_values_dispatch(const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + { + return mean_values_dispatch(mln_value(I)(), input, lbl, nlabels); + } + + } // end of namespace mln::morpho::internal + + + + // Facade + + template <typename I, typename L> + mln_concrete(I) + mean_values(const Image<I>& input, + const Image<L>& lbl, mln_value(L) nlabels) + + { + trace::entering("mln::labeling::mean_values"); + + internal::mean_values_tests(input, lbl, nlabels); + + mln_concrete(I) output = internal::mean_values_dispatch(input, lbl, nlabels); + + trace::exiting("mln::labeling::mean_values"); + return output; + } + + +# endif // !MLN_INCLUDE_ONLY + + } // end of namespace mln::labeling + +} // end of namespace mln + +#endif // ! MLN_LABELING_MEAN_VALUES_HH -- 1.5.6.5