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An Image Processing Platform
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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.
14 //
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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
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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/core/alias/neighb2d.hh>
30 #include <mln/io/pbm/all.hh>
31 #include <mln/data/convert.hh>
32 
33 #include <scribo/primitive/extract/lines_h_discontinued.hh>
34 #include <scribo/primitive/extract/lines_v_discontinued.hh>
35 #include <scribo/debug/usage.hh>
36 
37 const char *args_desc[][2] =
38 {
39  { "input.pbm", "A binary image." },
40  { "length", " Minimum line length." },
41  { "rank", " Filter rank." },
42  {0, 0}
43 };
44 
45 
46 int main(int argc, char *argv[])
47 {
48  using namespace mln;
49  using namespace scribo;
50 
51  if (argc != 5)
52  return scribo::debug::usage(argv,
53  "Extract discontinued horizontal and vertical lines",
54  "input.pbm length rank output.pbm",
55  args_desc);
56 
57  mln_trace("main");
58 
59  image2d<bool> input;
60  io::pbm::load(input, argv[1]);
61 
62  typedef value::label_16 V;
63  typedef image2d<V> L;
64 
65  V nhlines;
68  c8(),
69  nhlines,
70  atoi(argv[2]),
71  atoi(argv[3]));
72 
73  V nvlines;
74  component_set<L> vlines
76  c8(),
77  nvlines,
78  atoi(argv[2]),
79  atoi(argv[3]));
80 
81  L& hlines_ima = hlines.labeled_image_();
82  image2d<bool> output = data::convert(bool(), hlines_ima);
83  data::fill((output | (pw::value(vlines.labeled_image()) != 0u)).rw(), true);
84  io::pbm::save(output, argv[4]);
85 
86 }