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An Image Processing Platform
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sauvola_ms.cc
1 // Copyright (C) 2011, 2013 EPITA Research and Development Laboratory
2 // (LRDE)
3 //
4 // This file is part of Olena.
5 //
6 // Olena is free software: you can redistribute it and/or modify it under
7 // the terms of the GNU General Public License as published by the Free
8 // Software Foundation, version 2 of the License.
9 //
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
17 //
18 // As a special exception, you may use this file as part of a free
19 // software project without restriction. Specifically, if other files
20 // instantiate templates or use macros or inline functions from this
21 // file, or you compile this file and link it with other files to produce
22 // an executable, this file does not by itself cause the resulting
23 // executable to be covered by the GNU General Public License. This
24 // exception does not however invalidate any other reasons why the
25 // executable file might be covered by the GNU General Public License.
26 
28 
29 #include <mln/core/image/image2d.hh>
30 #include <mln/data/compare.hh>
31 #include <mln/value/int_u8.hh>
32 #include <mln/io/pgm/load.hh>
33 #include <mln/io/pbm/load.hh>
34 
35 #include <scribo/binarization/sauvola_ms.hh>
36 
37 #include "tests/data.hh"
38 
39 int main()
40 {
41  using namespace mln;
42 
43  // Even height and width
44  {
46  io::pgm::load(input, MILENA_IMG_DIR "/lena.pgm");
47 
49 
50  image2d<bool> ref;
51  io::pbm::load(ref, SCRIBO_TESTS_DIR "/binarization/sauvola_ms.ref.pbm");
52 
53  mln_assertion(bin == ref);
54  }
55 
56  // even height and odd width
57  {
59  io::pgm::load(input, SCRIBO_IMG_DIR "/lena_wodd_heven.pgm");
60 
62 
63  image2d<bool> ref;
64  io::pbm::load(ref, SCRIBO_TESTS_DIR "binarization/sauvola_ms_wodd_heven.ref.pbm");
65 
66  mln_assertion(bin == ref);
67  }
68 
69  // odd height and even width
70  {
72  io::pgm::load(input, SCRIBO_IMG_DIR "/lena_weven_hodd.pgm");
73 
75 
76  image2d<bool> ref;
77  io::pbm::load(ref, SCRIBO_TESTS_DIR "binarization/sauvola_ms_weven_hodd.ref.pbm");
78 
79  mln_assertion(bin == ref);
80  }
81 
82  // odd height and width
83  {
85  io::pgm::load(input, SCRIBO_IMG_DIR "/lena_wodd_hodd.pgm");
86 
88 
89  image2d<bool> ref;
90  io::pbm::load(ref, SCRIBO_TESTS_DIR "binarization/sauvola_ms_wodd_hodd.ref.pbm");
91 
92  mln_assertion(bin == ref);
93  }
94 }