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log.cc
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// Copyright (C) 2007, 2008, 2009, 2010, 2011 EPITA Research and Development
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// Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#include <mln/core/image/image2d.hh>
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#include <mln/value/int_u8.hh>
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#include <mln/io/pgm/load.hh>
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#include <mln/io/pgm/save.hh>
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#include <mln/border/thickness.hh>
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#include <mln/linear/log.hh>
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#include <mln/estim/min_max.hh>
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#include <mln/data/stretch.hh>
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#include "tests/data.hh"
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int
main()
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{
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using namespace
mln;
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using
value::int_u8
;
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border::thickness = 2;
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image2d<int_u8>
lena, out;
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io::pgm::load
(lena, MLN_IMG_DIR
"/lena.pgm"
);
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image2d<float>
tmp = linear::LoG_5x5(lena);
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{
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float
min
,
max
;
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estim::min_max
(tmp, min, max);
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mln_assertion(min == -925 && max == 1247);
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}
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out =
data::stretch
(
int_u8
(), tmp);
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io::pgm::save
(out,
"log-out.pgm"
);
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{
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int_u8
min
,
max
;
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estim::min_max
(out, min, max);
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mln_assertion(min == 0u && max == 255u);
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}
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}
tests
linear
log.cc
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