* preprocessing/denoise.hh, * preprocessing/denoise_bg.hh, * preprocessing/denoise_fg.hh, * preprocessing/homogeneous_contrast.hh, * preprocessing/rotate_90.hh: New routines. * fun/v2b/label_to_bool.hh: New function. * tests/preprocessing/Makefile.am, * tests/preprocessing/rotate_90.cc: New test. --- scribo/ChangeLog | 15 ++ .../n2v/all.hh => scribo/fun/v2b/label_to_bool.hh | 43 ++++-- scribo/preprocessing/denoise.hh | 106 +++++++++++++ scribo/preprocessing/denoise_bg.hh | 156 +++++++++++++++++++ scribo/preprocessing/denoise_fg.hh | 131 ++++++++++++++++ scribo/preprocessing/homogeneous_contrast.hh | 119 +++++++++++++++ scribo/preprocessing/rotate_90.hh | 159 ++++++++++++++++++++ scribo/tests/preprocessing/Makefile.am | 4 +- .../preprocessing/{unskew.cc => rotate_90.cc} | 29 +++- 9 files changed, 740 insertions(+), 22 deletions(-) copy milena/mln/fun/n2v/all.hh => scribo/fun/v2b/label_to_bool.hh (66%) create mode 100644 scribo/preprocessing/denoise.hh create mode 100644 scribo/preprocessing/denoise_bg.hh create mode 100644 scribo/preprocessing/denoise_fg.hh create mode 100644 scribo/preprocessing/homogeneous_contrast.hh create mode 100644 scribo/preprocessing/rotate_90.hh copy scribo/tests/preprocessing/{unskew.cc => rotate_90.cc} (72%) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 74cef68..8b4c4d7 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,20 @@ 2010-03-11 Guillaume Lazzara <z@lrde.epita.fr> + Add new preprocessing routines. + + * preprocessing/denoise.hh, + * preprocessing/denoise_bg.hh, + * preprocessing/denoise_fg.hh, + * preprocessing/homogeneous_contrast.hh, + * preprocessing/rotate_90.hh: New routines. + + * fun/v2b/label_to_bool.hh: New function. + + * tests/preprocessing/Makefile.am, + * tests/preprocessing/rotate_90.cc: New test. + +2010-03-11 Guillaume Lazzara <z@lrde.epita.fr> + Update code according to last changes in Scribo core classes. * draw/bounding_box_links.hh, diff --git a/milena/mln/fun/n2v/all.hh b/scribo/fun/v2b/label_to_bool.hh similarity index 66% copy from milena/mln/fun/n2v/all.hh copy to scribo/fun/v2b/label_to_bool.hh index 0e0e55c..3d65401 100644 --- a/milena/mln/fun/n2v/all.hh +++ b/scribo/fun/v2b/label_to_bool.hh @@ -23,29 +23,44 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_N2V_ALL_HH -# define MLN_FUN_N2V_ALL_HH +#ifndef SCRIBO_FUN_V2B_LABEL_TO_BOOL_HH +# define SCRIBO_FUN_V2B_LABEL_TO_BOOL_HH -/// \file -/// -/// File that includes all functions from nil to value. +# include <mln/core/concept/function.hh> +# include <mln/fun/i2v/array.hh> -namespace mln +namespace scribo { namespace fun { - /// \brief Namespace of functions from nil to value. - /// - /// \ingroup modfun - namespace n2v {} + namespace v2b + { - } -} + template <typename L> + struct label_to_bool : mln::Function_v2b<label_to_bool<L> > + { + typedef bool result; + label_to_bool(const mln::fun::i2v::array<bool>& f) + : f_(f) + {} -# include <mln/fun/n2v/white_gaussian.hh> + bool operator()(const L& v) const + { + return f_(v); + } -#endif // ! MLN_FUN_N2V_ALL_HH + mln::fun::i2v::array<bool> f_; + }; + + } // end of namespace scribo::fun::v2b + + } // end of namespace scribo::fun + +} // end of namespace scribo + + +#endif // ! SCRIBO_FUN_V2B_LABEL_TO_BOOL_HH diff --git a/scribo/preprocessing/denoise.hh b/scribo/preprocessing/denoise.hh new file mode 100644 index 0000000..1877c06 --- /dev/null +++ b/scribo/preprocessing/denoise.hh @@ -0,0 +1,106 @@ +// Copyright (C) 2010 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_PREPROCESSING_DENOISE_HH +# define SCRIBO_PREPROCESSING_DENOISE_HH + +/// \file +/// +/// Denoise an image. + +# include <scribo/preprocessing/denoise_fg.hh> +# include <scribo/preprocessing/denoise_bg.hh> + + +namespace scribo +{ + + namespace preprocessing + { + + using namespace mln; + + /// \brief Denoise an image. + /// Denoising is performed both on the foreground and the background. + /// + /// \param[in] input A binary image. True for objects, False for + /// background. + /// \param[in] nbh Neighborhood to use for denoising. + /// \param[in] min_card Minimum component cardinality to not be + /// considered as noise. + /// + /// \output A binary image with the same domain as \p input. All + /// small components have been removed. + // + template <typename I, typename N> + mln_concrete(I) + denoise(const Image<I>& input, const Neighborhood<N>& nbh, + unsigned fg_min_card, unsigned bg_min_card); + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# ifndef MLN_INCLUDE_ONLY + + +namespace scribo +{ + + namespace preprocessing + { + + template <typename I, typename N> + mln_concrete(I) + denoise(const Image<I>& input_, const Neighborhood<N>& nbh_, + unsigned fg_min_card, unsigned bg_min_card) + { + trace::entering("scribo::preprocessing::denoise"); + + const I& input = exact(input_); + const N& nbh = exact(nbh_); + mlc_equal(mln_value(I), bool)::check(); + mln_precondition(input.is_valid()); + + mln_concrete(I) output; + + output = denoise_fg(input, nbh, fg_min_card); + output = denoise_bg(output, nbh, bg_min_card); + + trace::exiting("scribo::preprocessing::denoise"); + return output; + } + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# endif // ! MLN_INCLUDE_ONLY + +# endif // SCRIBO_PREPROCESSING_DENOISE_HH diff --git a/scribo/preprocessing/denoise_bg.hh b/scribo/preprocessing/denoise_bg.hh new file mode 100644 index 0000000..9242f36 --- /dev/null +++ b/scribo/preprocessing/denoise_bg.hh @@ -0,0 +1,156 @@ +// Copyright (C) 2010 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_PREPROCESSING_DENOISE_BG_HH +# define SCRIBO_PREPROCESSING_DENOISE_BG_HH + +/// \file +/// +/// Denoise image background. + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/neighborhood.hh> +# include <mln/core/concept/function.hh> +# include <mln/data/transform.hh> + +# include <mln/accu/math/count.hh> + +# include <mln/core/alias/neighb2d.hh> + +# include <mln/util/array.hh> +# include <mln/fun/i2v/array.hh> + +# include <mln/labeling/compute.hh> +# include <mln/labeling/background.hh> + +# include <scribo/fun/v2b/label_to_bool.hh> + + +namespace scribo +{ + + namespace preprocessing + { + + using namespace mln; + + /// Denoise image background. + /// + /// \param[in] input A binary image. True for objects, False for + /// background. + /// \param[in] nbh Neighborhood to use for denoising. + /// \param[in] min_card Minimum component cardinality to not be + /// considered as noise. + /// + /// \output A binary image with the same domain as \p input. All + /// small components have been removed and merged with the + /// background. + // + template <typename I, typename N> + mln_concrete(I) + denoise_bg(const Image<I>& input, const Neighborhood<N>& nbh, + unsigned min_card); + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# ifndef MLN_INCLUDE_ONLY + +namespace mln +{ + + + template <typename L> + struct label_to_bool : Function_v2b<label_to_bool<L> > + { + typedef bool result; + + label_to_bool(const fun::i2v::array<bool>& f) + : f_(f) + {} + + bool operator()(const L& v) const + { + return f_(v); + } + + fun::i2v::array<bool> f_; + }; + + +} // end of namespace mln + + + +namespace scribo +{ + + namespace preprocessing + { + + template <typename I, typename N> + mln_concrete(I) + denoise_bg(const Image<I>& input_, const Neighborhood<N>& nbh_, + unsigned min_card) + { + trace::entering("scribo::preprocessing::denoise_bg"); + + const I& input = exact(input_); + const N& nbh = exact(nbh_); + mlc_equal(mln_value(I), bool)::check(); + mln_precondition(input.is_valid()); + + unsigned nlabels; + image2d<unsigned> lbl = labeling::background(input, nbh, nlabels); + + util::array<unsigned> + result = labeling::compute(accu::meta::math::count(), lbl, nlabels); + + mln::fun::i2v::array<bool> f(nlabels + 1, true); + f(0) = false; + for (unsigned i = 1; i <= nlabels; ++i) + if (result(i) < min_card) + f(i) = false; + + scribo::fun::v2b::label_to_bool<unsigned> relabel_f(f); + mln_concrete(I) + output = data::transform(lbl, relabel_f); + + trace::exiting("scribo::preprocessing::denoise_bg"); + return output; + } + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# endif // ! MLN_INCLUDE_ONLY + +# endif // SCRIBO_PREPROCESSING_DENOISE_BG_HH diff --git a/scribo/preprocessing/denoise_fg.hh b/scribo/preprocessing/denoise_fg.hh new file mode 100644 index 0000000..5909164 --- /dev/null +++ b/scribo/preprocessing/denoise_fg.hh @@ -0,0 +1,131 @@ +// Copyright (C) 2010 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_PREPROCESSING_DENOISE_FG_HH +# define SCRIBO_PREPROCESSING_DENOISE_FG_HH + +/// \file +/// +/// Denoise image foreground. + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/neighborhood.hh> +# include <mln/core/concept/function.hh> +# include <mln/data/transform.hh> + +# include <mln/accu/math/count.hh> + +# include <mln/core/alias/neighb2d.hh> + +# include <mln/util/array.hh> +# include <mln/fun/i2v/array.hh> + +# include <mln/labeling/foreground.hh> +# include <mln/labeling/compute.hh> + +# include <scribo/fun/v2b/label_to_bool.hh> + +namespace scribo +{ + + namespace preprocessing + { + + using namespace mln; + + /// Denoise image foreground. + /// + /// \param[in] input A binary image. True for objects, False for + /// background. + /// \param[in] nbh Neighborhood to use for denoising. + /// \param[in] min_card Minimum component cardinality to not be + /// considered as noise. + /// + /// \output A binary image with the same domain as \p input. All + /// small components have been removed and merged with the + /// background. + // + template <typename I, typename N> + mln_concrete(I) + denoise_fg(const Image<I>& input, const Neighborhood<N>& nbh, + unsigned min_card); + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# ifndef MLN_INCLUDE_ONLY + + +namespace scribo +{ + + namespace preprocessing + { + + template <typename I, typename N> + mln_concrete(I) + denoise_fg(const Image<I>& input_, const Neighborhood<N>& nbh_, + unsigned min_card) + { + trace::entering("scribo::preprocessing::denoise_fg"); + + const I& input = exact(input_); + const N& nbh = exact(nbh_); + mlc_equal(mln_value(I), bool)::check(); + mln_precondition(input.is_valid()); + + // FIXME: + unsigned nlabels; + image2d<unsigned> lbl = labeling::foreground(input, nbh, nlabels); + + mln::util::array<unsigned> + result = labeling::compute(accu::meta::math::count(), lbl, nlabels); + + mln::fun::i2v::array<bool> f(nlabels + 1, true); + f(0) = false; + for (unsigned i = 1; i <= nlabels; ++i) + if (result(i) < min_card) + f(i) = false; + + scribo::fun::v2b::label_to_bool<unsigned> relabel_f(f); + mln_concrete(I) + output = data::transform(lbl, relabel_f); + + trace::exiting("scribo::preprocessing::denoise_fg"); + return output; + } + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# endif // ! MLN_INCLUDE_ONLY + +# endif // SCRIBO_PREPROCESSING_DENOISE_FG_HH diff --git a/scribo/preprocessing/homogeneous_contrast.hh b/scribo/preprocessing/homogeneous_contrast.hh new file mode 100644 index 0000000..82b2ac6 --- /dev/null +++ b/scribo/preprocessing/homogeneous_contrast.hh @@ -0,0 +1,119 @@ +// Copyright (C) 2010 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_PREPROCESSING_HOMOGENEOUS_CONTRAST_HH +# define SCRIBO_PREPROCESSING_HOMOGENEOUS_CONTRAST_HH + +/// \file +/// +/// Improve contrast homogeneity in an image. + +#include <mln/core/image/image2d.hh> +#include <mln/core/alias/neighb2d.hh> +#include <mln/morpho/attribute/height.hh> +#include <mln/morpho/closing/leveling.hh> + +#include <mln/arith/minus.hh> + + +namespace scribo +{ + + namespace preprocessing + { + + + using namespace mln; + + /// \brief Improve contrast homogeneity in an image. + /// + /// \param[in] input A gray-level image. + /// \param[in] h Height attribute value for leveling closing. + /// + /// \output A gray-level image with better contrast homogeneity. + // + template <typename I> + mln_concrete(I) + homogeneous_contrast(const Image<I>& input, unsigned h); + + + /// \overload. + /// Default height attribute value is set to 75. + // + template <typename I> + mln_concrete(I) + homogeneous_contrast(const Image<I>& input); + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# ifndef MLN_INCLUDE_ONLY + + +namespace scribo +{ + + namespace preprocessing + { + + + template <typename I> + mln_concrete(I) + homogeneous_contrast(const Image<I>& input_, unsigned h) + { + trace::entering("scribo::preprocessing::homogeneous_contrast"); + + const I& input = exact(input_); + mln_precondition(input.is_valid()); + + morpho::attribute::height<I> acc; + mln_concrete(I) + output = morpho::closing::leveling(input, c4(), acc, h); + arith::minus_inplace(output, input); + + trace::exiting("scribo::preprocessing::homogeneous_contrast"); + return output; + } + + + template <typename I> + mln_concrete(I) + homogeneous_contrast(const Image<I>& input) + { + return homogeneous_contrast(input, 75); + } + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# endif // ! MLN_INCLUDE_ONLY + +# endif // SCRIBO_PREPROCESSING_HOMOGENEOUS_CONTRAST_HH diff --git a/scribo/preprocessing/rotate_90.hh b/scribo/preprocessing/rotate_90.hh new file mode 100644 index 0000000..616c341 --- /dev/null +++ b/scribo/preprocessing/rotate_90.hh @@ -0,0 +1,159 @@ +// Copyright (C) 2010 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_PREPROCESSING_ROTATE_90_HH +# define SCRIBO_PREPROCESSING_ROTATE_90_HH + +/// \file +/// +/// Fast +90/-90 degrees rotation. + + +# include <mln/core/concept/image.hh> +# include <mln/geom/all.hh> + +// FIXME: not generic +# include <mln/core/alias/dpoint2d.hh> + + +namespace scribo +{ + + namespace preprocessing + { + + using namespace mln; + + /*! \brief Perform a +90/-90 degrees rotation. + + \param[in] input An image. + \param[in] positive If set to true, performs a +90° rotation, + -90° otherwise. + + \return A rotated image. + */ + template <typename I> + mln_concrete(I) + rotate_90(const Image<I>& input, bool positive); + + /// \brief Performs a +90° rotation. + /// \overload + // + template <typename I> + mln_concrete(I) + rotate_90(const Image<I>& input); + + + +# ifndef MLN_INCLUDE_ONLY + + + template <typename I> + mln_concrete(I) + rotate_90(const Image<I>& input_, bool positive) + { + trace::entering("scribo::preprocessing::rotate_90"); + + const I& input = exact(input_); + mln_precondition(input.is_valid()); + + // Works only on one block images. + mlc_is(mln_trait_image_value_access(I), + mln::trait::image::value_access::direct)::check(); + mlc_is(mln_trait_image_value_storage(I), + mln::trait::image::value_storage::one_block)::check(); + + // Initialize output domain and make sure the border size is the + // same as input's. + mln_site(I) pmax(input.domain().pmax().col(), + input.domain().pmax().row()); + mln_concrete(I) output(mln_domain(I)(input.domain().pmin(), pmax), + input.border()); + + const mln_value(I)* in_ptr = input.buffer(); + + unsigned in_ncols = geom::ncols(input) + 2 * input.border(); + unsigned in_nrows = geom::nrows(input) + 2 * input.border(); + + unsigned out_ncols = geom::ncols(output); + unsigned out_nrows = geom::nrows(output); + + unsigned + out_next_offset, + out_next_p_offset; + + mln_value(I)* out_ptr = output.buffer(); + + if (positive) // +90 deg + { + dpoint2d dp(- out_nrows - 2 * output.border(), - 1); + out_next_offset = output.delta_index(dp); + + out_next_p_offset = output.delta_index(dpoint2d(+1, 0)); + + out_ptr += 2 * output.border() + out_ncols - 1; + } + else // -90 deg + { + dpoint2d dp(out_nrows + 2 * output.border(), + 1); + out_next_offset = output.delta_index(dp); + + out_next_p_offset = output.delta_index(dpoint2d(-1, 0)); + + out_ptr += output.delta_index(dpoint2d(out_nrows + 2 * output.border() - 1, 0)); + } + + for (unsigned row = 0; row < in_nrows; ++row) + { + for (unsigned col = 0; col < in_ncols; + ++col, ++in_ptr, out_ptr += out_next_p_offset) + *out_ptr = *in_ptr; + + out_ptr += out_next_offset; + } + + trace::exiting("scribo::preprocessing::rotate_90"); + return output; + } + + + template <typename I> + mln_concrete(I) + rotate_90(const Image<I>& input) + { + return rotate_90(input, true); + } + + +# endif // ! MLN_INCLUDE_ONLY + + + } // end of namespace scribo::preprocessing + +} // end of namespace mln + + +# endif // SCRIBO_PREPROCESSING_ROTATE_90_HH + diff --git a/scribo/tests/preprocessing/Makefile.am b/scribo/tests/preprocessing/Makefile.am index 4666033..4a6790c 100644 --- a/scribo/tests/preprocessing/Makefile.am +++ b/scribo/tests/preprocessing/Makefile.am @@ -20,8 +20,10 @@ include $(top_srcdir)/scribo/tests/tests.mk check_PROGRAMS = \ - unskew + unskew \ + rotate_90 unskew_SOURCES = unskew.cc +rotate_90_SOURCES = rotate_90.cc TESTS = $(check_PROGRAMS) diff --git a/scribo/tests/preprocessing/unskew.cc b/scribo/tests/preprocessing/rotate_90.cc similarity index 72% copy from scribo/tests/preprocessing/unskew.cc copy to scribo/tests/preprocessing/rotate_90.cc index 9c84951..0c2286a 100644 --- a/scribo/tests/preprocessing/unskew.cc +++ b/scribo/tests/preprocessing/rotate_90.cc @@ -1,4 +1,4 @@ -// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -24,21 +24,36 @@ // executable file might be covered by the GNU General Public License. #include <mln/core/image/image2d.hh> +#include <mln/data/compare.hh> #include <mln/io/pbm/load.hh> -#include <mln/io/pbm/save.hh> - -#include <scribo/preprocessing/unskew.hh> +#include <mln/make/image.hh> +#include <scribo/preprocessing/rotate_90.hh> #include <scribo/tests/data.hh> + int main(int argc, char *argv[]) { (void) argc; (void) argv; using namespace mln; - image2d<bool> ima; - io::pbm::load(ima, SCRIBO_IMG_DIR "/text_to_group.pbm"); - io::pbm::save(scribo::preprocessing::unskew(ima).first(), "unskew.pbm"); + bool data[][1] = { { 0 }, + { 1 }, + { 0 }, + { 1 }, + { 0 }, + { 1 }, + { 0 }, + { 1 }, + { 0 }, + { 1 } }; + + image2d<bool> ima = make::image(data); + + image2d<bool> tmp = scribo::preprocessing::rotate_90(ima, true); + tmp = scribo::preprocessing::rotate_90(tmp, false); + + mln_assertion(tmp == ima); } -- 1.5.6.5