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An Image Processing Platform
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find_pattern_lines.cc
1 // Copyright (C) 2009, 2010 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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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 
27 #include <mln/core/image/image2d.hh>
28 #include <mln/value/label_16.hh>
29 #include <mln/value/rgb8.hh>
30 #include <mln/core/alias/neighb2d.hh>
31 #include <mln/io/pbm/all.hh>
32 #include <mln/io/ppm/save.hh>
33 #include <mln/data/convert.hh>
34 #include <mln/debug/superpose.hh>
35 
36 #include <scribo/debug/usage.hh>
37 
38 #include <scribo/primitive/extract/lines_h_pattern.hh>
39 #include <scribo/primitive/extract/lines_v_pattern.hh>
40 
41 const char *args_desc[][2] =
42 {
43  { "input.pbm", "A binary image." },
44  { "length", " Minimum line length." },
45  {0, 0}
46 };
47 
48 
49 int main(int argc, char *argv[])
50 {
51  using namespace mln;
52 
53  if (argc != 4)
54  return scribo::debug::usage(argv,
55  "Extract discontinued horizontal and "
56  "vertical lines",
57  "input.pbm length output.ppm",
58  args_desc);
59 
60  mln_trace("main");
61 
62  typedef image2d<bool> I;
63  I input;
64  io::pbm::load(input, argv[1]);
65 
66  I hlines = scribo::primitive::extract::lines_h_pattern(input, atoi(argv[2]), 3);
67  I vlines = scribo::primitive::extract::lines_v_pattern(input, atoi(argv[2]), 3);
68 
70  out = debug::superpose(out, vlines, literal::green);
71 
72  io::ppm::save(out, argv[3]);
73 
74 }