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An Image Processing Platform
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find_single_lines.cc
1 // Copyright (C) 2009,2010 EPITA Research and Development Laboratory
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3 //
4 // This file is part of Olena.
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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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20 // instantiate templates or use macros or inline functions from this
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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/components.hh>
39 #include <scribo/primitive/extract/lines_h_single.hh>
40 #include <scribo/primitive/extract/lines_v_single.hh>
41 
42 const char *args_desc[][2] =
43 {
44  { "input.pbm", "A binary image. Background must be set to False." },
45  { "hlength", "Minimum horizontal line length." },
46  { "hbratio", "Bbox size ratio for horizontal lines." },
47  { "vlength", "Minimum vertical line length." },
48  { "vbratio", "Bbox size ratio for vertical lines." },
49  {0, 0}
50 };
51 
52 
53 int main(int argc, char *argv[])
54 {
55  using namespace mln;
56  using namespace scribo;
57 
58  if (argc != 7)
59  return scribo::debug::usage(argv,
60  "Extract single horizontal and vertical "
61  "lines.\n Common argument values: 100 10 "
62  "100 10",
63  "<input.pbm> <length> <hbratio> <vbratio> "
64  "<output.pbm>",
65  args_desc);
66 
67  mln_trace("main");
68 
69  image2d<bool> input;
70  io::pbm::load(input, argv[1]);
71 
72  typedef image2d<value::label_16> L;
73 
74  value::label_16 nhlines;
76  comps = scribo::primitive::extract::components(input, c8(), nhlines);
77 
78 
81  atoi(argv[2]),
82  atof(argv[3]));
83 
86  atoi(argv[4]),
87  atof(argv[5]));
88 
90  out = mln::debug::superpose(input, hlines.labeled_image(), literal::red);
91  out = mln::debug::superpose(out, vlines.labeled_image(), literal::green);
92  io::ppm::save(out, argv[6]);
93 
94 }