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An Image Processing Platform
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find_discontinued_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
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8 // Software Foundation, version 2 of the License.
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13 // General Public License for more details.
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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
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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_discontinued.hh>
39 #include <scribo/primitive/extract/lines_v_discontinued.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  using namespace scribo;
53 
54  if (argc != 4)
55  return scribo::debug::usage(argv,
56  "Extract discontinued horizontal and "
57  "vertical lines",
58  "input.pbm length output.ppm",
59  args_desc);
60 
61  mln_trace("main");
62 
63  typedef image2d<bool> I;
64  I input;
65  io::pbm::load(input, argv[1]);
66 
67  value::label_16
68  nhlines,
69  nvlines;
70 
71  typedef image2d<value::label_16> L;
74  c8(),
75  nhlines,
76  atoi(argv[2]),
77  8),
79  c8(),
80  nvlines,
81  atoi(argv[2]),
82  8);
83 
85  out = mln::debug::superpose(input, hlines.labeled_image(), literal::red);
86  out = mln::debug::superpose(out, vlines.labeled_image(), literal::green);
87 
88  io::ppm::save(out, argv[3]);
89 
90 }