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show_links_bbox_overlap.cc
1 // Copyright (C) 2009, 2010 EPITA Research and Development Laboratory
2 // (LRDE)
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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13 // General Public License for more details.
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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
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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 <iostream>
28 
29 #include <mln/core/image/image2d.hh>
30 #include <mln/core/alias/neighb2d.hh>
31 
32 #include <mln/data/convert.hh>
33 
34 #include <mln/value/rgb8.hh>
35 #include <mln/value/label_16.hh>
36 #include <mln/literal/colors.hh>
37 
38 #include <mln/io/pbm/load.hh>
39 #include <mln/io/ppm/save.hh>
40 
41 #include <scribo/primitive/extract/components.hh>
42 #include <scribo/primitive/link/with_single_right_link.hh>
43 #include <scribo/primitive/link/with_single_left_link.hh>
44 #include <scribo/filter/object_links_bbox_overlap.hh>
45 
46 #include <scribo/debug/decision_image.hh>
47 #include <scribo/debug/links_decision_image.hh>
48 #include <scribo/debug/usage.hh>
49 
50 
51 
52 const char *args_desc[][2] =
53 {
54  { "input.pbm", "A binary image. True for objects and False for the background." },
55  { "ratio", "Maximum bounding boxes overlap ratio. (common value : 0.7)" },
56  {0, 0}
57 };
58 
59 
60 int main(int argc, char* argv[])
61 {
62  using namespace scribo;
63  using namespace scribo::primitive::internal;
64  using namespace mln;
65 
66  if (argc != 4)
67  return scribo::debug::usage(argv,
68  "Show valid or invalid links according"
69  " the bboxes overlap.",
70  "input.pbm ratio output.ppm",
71  args_desc);
72 
73  image2d<bool> input;
74  io::pbm::load(input, argv[1]);
75 
76  // Finding objects.
77  value::label_16 nbboxes;
78  typedef image2d<value::label_16> L;
79  component_set<L> comps
80  = scribo::primitive::extract::components(input, c8(), nbboxes);
81 
82 
83  // Finding right links.
84  object_links<L> right_links
86 
87  // Filtering.
88  object_links<L> hratio_filtered_links
89  = filter::object_links_bbox_overlap(right_links, atof(argv[2]));
90 
91 
92  // Debug image.
93  image2d<value::rgb8> hratio_decision_image
95  right_links,
96  hratio_filtered_links);
97  io::ppm::save(hratio_decision_image, argv[3]);
98 
99 }