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show_objects_small.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.
9 //
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13 // General Public License for more details.
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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 <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/label_16.hh>
35 #include <mln/value/rgb8.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/filter/objects_small.hh>
43 #include <scribo/draw/bounding_boxes.hh>
44 #include <scribo/debug/usage.hh>
45 
46 
47 const char *args_desc[][2] =
48 {
49  { "input.pbm", "A binary image. True for objects and False for the "
50  "background." },
51  { "min_card", " Minimum cardinality in a component.. (Common value : 6)" },
52  {0, 0}
53 };
54 
55 
56 int main(int argc, char *argv[])
57 {
58  using namespace mln;
59  using namespace scribo;
60 
61  if (argc != 4)
62  return scribo::debug::usage(argv,
63  "Show components having a too low "
64  "cardinality.",
65  "input.pbm min_card output.ppm",
66  args_desc);
67 
68  mln_trace("main");
69 
70  image2d<bool> input;
71  io::pbm::load(input, argv[1]);
72 
73  value::label_16 nbboxes;
74  typedef image2d<value::label_16> L;
75  component_set<L> comps
76  = scribo::primitive::extract::components(input, c8(), nbboxes);
77 
78 
79  image2d<value::rgb8> output = data::convert(value::rgb8(), input);
81 
82  component_set<L> filtered_comps
83  = scribo::filter::components_small(comps, atoi(argv[2]));
84  scribo::draw::bounding_boxes(output, filtered_comps, literal::green);
85 
86  io::ppm::save(output, argv[3]);
87 }