[Olena-patches] 4488: Add new primitive extraction routines.

* primitive/extract/lines_h_thick_and_single.hh, * primitive/extract/lines_v_thick_and_single.hh: New. --- scribo/ChangeLog | 7 + .../primitive/extract/lines_h_thick_and_single.hh | 149 ++++++++++++++++++++ .../primitive/extract/lines_v_thick_and_single.hh | 147 +++++++++++++++++++ 3 files changed, 303 insertions(+), 0 deletions(-) create mode 100644 scribo/primitive/extract/lines_h_thick_and_single.hh create mode 100644 scribo/primitive/extract/lines_v_thick_and_single.hh diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 51f38a0..82d8a53 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,12 @@ 2009-09-15 Guillaume Lazzara &lt;lazzara(a)lrde.epita.fr&gt; + Add new primitive extraction routines. + + * primitive/extract/lines_h_thick_and_single.hh, + * primitive/extract/lines_v_thick_and_single.hh: New. + +2009-09-15 Guillaume Lazzara &lt;lazzara(a)lrde.epita.fr&gt; + * preprocessing/split_bg_fg.hh: Add a new algorithm to split background and foreground. diff --git a/scribo/primitive/extract/lines_h_thick_and_single.hh b/scribo/primitive/extract/lines_h_thick_and_single.hh new file mode 100644 index 0000000..a4803aa --- /dev/null +++ b/scribo/primitive/extract/lines_h_thick_and_single.hh @@ -0,0 +1,149 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of Olena. +// +// Olena is free software: you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation, version 2 of the License. +// +// Olena 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 Olena. If not, see <http://www.gnu.org/licenses/>. +// +// As a special exception, you may use this file as part of a free +// software project 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 SCRIBO_PRIMITIVE_EXTRACT_LINES_H_THICK_AND_SINGLE_HH +# define SCRIBO_PRIMITIVE_EXTRACT_LINES_H_THICK_AND_SINGLE_HH + +/// \file +/// +/// Extract horizontal thick lines in a binary image. + + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/window.hh> +# include <mln/core/concept/neighborhood.hh> + +# include <mln/morpho/opening/structural.hh> + +# include <scribo/core/object_image.hh> +# include <scribo/core/macros.hh> +# include <scribo/primitive/extract/objects.hh> + +# include <scribo/primitive/extract/lines_h_thick.hh> +# include <scribo/primitive/extract/lines_h_single.hh> + + +namespace scribo +{ + + namespace primitive + { + + namespace extract + { + + + using namespace mln; + + /// Extract horizontal thick lines in a binary image. + /*! + * Only non discontinued lines are correctly extracted with this routine. + * Only lines matching the given criterions are kept in the result. + * + * \param[in] input_ A binary image. + * \param[in] nbh_ The neighborhood used for labeling image + * components. + * \param[in,out] nlines Type used for labeling. + * \param[in] line_length The minimum line length. + * \param[in] w_h_ratio The minimum ratio width/height object + * bounding boxes to consider an + * object as a single line. + * + * \return An image in which lines are labeled. + */ + template <typename I, typename N, typename V> + object_image(mln_ch_value(I,V)) + lines_h_thick_and_single(const Image<I>& input_, + const Neighborhood<N>& nbh_, + V& nlines, + unsigned min_line_length, + float h_w_ratio); + + + +# ifndef MLN_INCLUDE_ONLY + + + namespace internal + { + + template <typename I, typename N, typename V> + void + lines_h_thick_and_single_tests(const Image<I>& input, + const Neighborhood<N>& nbh, + V& nlines, + unsigned min_line_length, + float h_w_ratio) + { + mlc_equal(mln_value(I),bool)::check(); + mlc_bool(mln_site_(I)::dim == 2)::check(); + mlc_is_a(V, mln::value::Symbolic)::check(); + + mln_precondition(exact(input).is_valid()); + mln_precondition(exact(nbh).is_valid()); + mln_precondition(exact(win).is_valid()); + + (void) nlines; + } + + } // end of namespace scribo::primitive::internal + + + + template <typename I, typename N, typename V> + inline + object_image(mln_ch_value(I,V)) + lines_h_thick_and_single(const Image<I>& input, + const Neighborhood<N>& nbh, + V& nlines, + unsigned min_line_length, + float h_w_ratio) + { + trace::entering("scribo::primitive::lines_h_thick_and_single"); + + internal::lines_h_thick_and_single_tests(input, nbh, + nlines, + min_line_length, + h_w_ratio); + + object_image(mln_ch_value(I,V)) + output = lines_h_thick(input, nbh, nlines, min_line_length); + + output = lines_h_single(output, min_line_length, h_w_ratio); + + trace::exiting("scribo::primitive::lines_h_thick_and_single"); + return output; + } + + +# endif // !MLN_INCLUDE_ONLY + + } // end of namespace scribo::primitive::extract + + } // end of namespace scribo::primitive + +} // end of namespace scribo + +#endif // ! SCRIBO_PRIMITIVE_EXTRACT_LINES_H_THICK_AND_SINGLE_HH diff --git a/scribo/primitive/extract/lines_v_thick_and_single.hh b/scribo/primitive/extract/lines_v_thick_and_single.hh new file mode 100644 index 0000000..8c9048c --- /dev/null +++ b/scribo/primitive/extract/lines_v_thick_and_single.hh @@ -0,0 +1,147 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of Olena. +// +// Olena is free software: you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation, version 2 of the License. +// +// Olena 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 Olena. If not, see <http://www.gnu.org/licenses/>. +// +// As a special exception, you may use this file as part of a free +// software project 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 SCRIBO_PRIMITIVE_EXTRACT_LINES_V_THICK_AND_SINGLE_HH +# define SCRIBO_PRIMITIVE_EXTRACT_LINES_V_THICK_AND_SINGLE_HH + +/// \file +/// +/// Extract vertical thick lines in a binary image. + + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/window.hh> +# include <mln/core/concept/neighborhood.hh> + +# include <mln/morpho/opening/structural.hh> + +# include <scribo/core/object_image.hh> +# include <scribo/core/macros.hh> +# include <scribo/primitive/extract/objects.hh> + +# include <scribo/primitive/extract/lines_v_thick.hh> +# include <scribo/primitive/extract/lines_v_single.hh> + +namespace scribo +{ + + namespace primitive + { + + namespace extract + { + + + using namespace mln; + + /// Extract vertical thick lines in a binary image. + /*! + * Only non discontinued lines are correctly extracted with this routine. + * Only lines matching the given criterions are kept in the result. + * + * \param[in] input_ A binary image. + * \param[in] nbh_ The neighborhood used for labeling image + * components. + * \param[in,out] nlines Type used for labeling. + * \param[in] line_length The minimum line length. + * \param[in] h_w_ratio The minimum ratio height/width object + * bounding boxes to consider an + * object as a single line. + * + * \return An image in which lines are labeled. + */ + template <typename I, typename N, typename V> + object_image(mln_ch_value(I,V)) + lines_v_thick_and_single(const Image<I>& input_, + const Neighborhood<N>& nbh_, + V& nlines, + unsigned min_line_length, + float h_w_ratio); + + + +# ifndef MLN_INCLUDE_ONLY + + + namespace internal + { + + template <typename I, typename N, typename V> + void + lines_v_thick_and_single_tests(const Image<I>& input, + const Neighborhood<N>& nbh, + V& nlines, + unsigned min_line_length, + float h_w_ratio) + { + mlc_equal(mln_value(I),bool)::check(); + mlc_bool(mln_site_(I)::dim == 2)::check(); + mlc_is_a(V, mln::value::Symbolic)::check(); + + mln_precondition(exact(input).is_valid()); + mln_precondition(exact(nbh).is_valid()); + mln_precondition(exact(win).is_valid()); + + (void) nlines; + } + + } // end of namespace scribo::primitive::internal + + + + template <typename I, typename N, typename V> + inline + object_image(mln_ch_value(I,V)) + lines_v_thick_and_single(const Image<I>& input, + const Neighborhood<N>& nbh, + V& nlines, + unsigned min_line_length, + float h_w_ratio) + { + trace::entering("scribo::primitive::lines_v_thick_and_single"); + + internal::lines_v_thick_and_single_tests(input, nbh, + nlines, + min_line_length, h_w_ratio); + + object_image(mln_ch_value(I,V)) + output = lines_v_thick(input, nbh, nlines, min_line_length); + + output = lines_v_single(output, min_line_length, h_w_ratio); + + trace::exiting("scribo::primitive::lines_v_thick_and_single"); + return output; + } + + +# endif // !MLN_INCLUDE_ONLY + + } // end of namespace scribo::primitive::extract + + } // end of namespace scribo::primitive + +} // end of namespace scribo + +#endif // ! SCRIBO_PRIMITIVE_EXTRACT_LINES_V_THICK_AND_SINGLE_HH -- 1.5.6.5