[Olena-patches] olena: olena-2.0-486-g42c92be mln/labeling/values.hh: Labeling algorithm for gray-level images.

--- milena/ChangeLog | 5 ++ milena/mln/labeling/{value.hh => values.hh} | 61 +++++++++++++-------------- 2 files changed, 34 insertions(+), 32 deletions(-) copy milena/mln/labeling/{value.hh => values.hh} (69%) diff --git a/milena/ChangeLog b/milena/ChangeLog index 0b6c2ae..4314a02 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,8 @@ +2013-05-13 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + + * mln/labeling/values.hh: Labeling algorithm for gray-level + images. + 2013-04-12 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; * doc/Makefile.am: Remove duplicate '/' in path. diff --git a/milena/mln/labeling/value.hh b/milena/mln/labeling/values.hh similarity index 69% copy from milena/mln/labeling/value.hh copy to milena/mln/labeling/values.hh index 069b2a1..b5e74cb 100644 --- a/milena/mln/labeling/value.hh +++ b/milena/mln/labeling/values.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development -// Laboratory (LRDE) +// Copyright (C) 2013 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -24,8 +23,8 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_LABELING_VALUE_HH -# define MLN_LABELING_VALUE_HH +#ifndef MLN_LABELING_VALUES_HH +# define MLN_LABELING_VALUES_HH /// \file /// @@ -44,19 +43,20 @@ namespace mln namespace labeling { - /// \brief Connected component labeling of the image sites at a given - /// value. - /// - /// \param[in] input The input image. - /// \param[in] val The value to consider. - /// \param[in] nbh The connectivity of components. - /// \param[out] nlabels The number of labels. - /// \return The label image. - // + /*! \brief Connected component labeling of the image sites at a + given values. + + \param[in] input The input image. + \param[in] nbh The connectivity of components. + \param[out] nlabels The number of labels. + \return The label image. + + \ingroup labeling + */ template <typename I, typename N, typename L> mln_ch_value(I, L) - value(const Image<I>& input, const mln_value(I)& val, - const Neighborhood<N>& nbh, L& nlabels); + values(const Image<I>& input, + const Neighborhood<N>& nbh, L& nlabels); # ifndef MLN_INCLUDE_ONLY @@ -69,14 +69,13 @@ namespace mln template <typename I, typename N, typename L> void - value_tests(const Image<I>& input, const mln_value(I)& val, const Neighborhood<N>& nbh, + values_tests(const Image<I>& input, const Neighborhood<N>& nbh, L& nlabels) { mln_precondition(exact(input).is_valid()); mln_precondition(exact(nbh).is_valid()); (void) input; - (void) val; (void) nbh; (void) nlabels; } @@ -91,12 +90,11 @@ namespace mln // Generic functor. template <typename I, typename L> - struct value_functor + struct values_functor { typedef mln_psite(I) P; const I& input; - const mln_value(I)& val; // Requirements from mln::canvas::labeling. @@ -105,8 +103,8 @@ namespace mln // Generic implementation void init() {} - bool handles(const P& p) const { return input(p) == val; } - bool equiv(const P& n, const P&) const { return input(n) == val; } + bool handles(const P& p) const { return true; } + bool equiv(const P& n, const P& p) const { return input(n) == input(p); } bool labels(const P&) const { return true; } void do_no_union(const P&, const P&) {} void init_attr(const P&) {} @@ -118,8 +116,8 @@ namespace mln // Fastest implementation void init_() {} - bool handles_(unsigned p) const { return input.element(p) == val; } - bool equiv_(unsigned n, unsigned) const { return input.element(n) == val; } + bool handles_(unsigned p) const { return true; } + bool equiv_(unsigned n, unsigned p) const { return input.element(n) == input.element(p); } bool labels_(unsigned) const { return true; } void do_no_union_(unsigned, unsigned) {} void init_attr_(unsigned) {} @@ -130,9 +128,8 @@ namespace mln // end of Requirements. - value_functor(const Image<I>& input_, const mln_value(I)& val) - : input(exact(input_)), - val(val) + values_functor(const Image<I>& input_) + : input(exact(input_)) { } }; @@ -146,15 +143,15 @@ namespace mln template <typename I, typename N, typename L> mln_ch_value(I, L) - value(const Image<I>& input, const mln_value(I)& val, - const Neighborhood<N>& nbh, L& nlabels) + values(const Image<I>& input, + const Neighborhood<N>& nbh, L& nlabels) { - mln_trace("labeling::value"); + mln_trace("labeling::values"); - internal::value_tests(input, val, nbh, nlabels); + internal::values_tests(input, nbh, nlabels); mln_ch_value(I, L) output; - impl::value_functor<I,L> f(input, val); + impl::values_functor<I,L> f(input); output = canvas::labeling::video(input, nbh, nlabels, f); return output; @@ -167,4 +164,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_LABELING_VALUE_HH +#endif // ! MLN_LABELING_VALUES_HH -- 1.7.2.5