$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
show_links_center_aligned.cc
1 // Copyright (C) 2009, 2010, 2011 EPITA Research and Development
2 // Laboratory (LRDE)
3 //
4 // This file is part of Olena.
5 //
6 // Olena is free software: you can redistribute it and/or modify it under
7 // the terms of the GNU General Public License as published by the Free
8 // Software Foundation, version 2 of the License.
9 //
10 // Olena is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
14 //
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/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/filter/object_links_center_aligned.hh>
44 
45 #include <scribo/debug/alignment_decision_image.hh>
46 #include <scribo/debug/usage.hh>
47 
48 
49 
50 const char *args_desc[][2] =
51 {
52  { "input.pbm", "A binary image. True for objects and False for the background." },
53  { "max_alpha", "Max angle between two object bottoms. (common value : 5)" },
54  {0, 0}
55 };
56 
57 
58 int main(int argc, char* argv[])
59 {
60  using namespace scribo;
61  using namespace scribo::primitive::internal;
62  using namespace mln;
63 
64  if (argc != 4)
65  return scribo::debug::usage(argv,
66  "Show valid or invalid links according the "
67  "horizontal alignment (based on center line).",
68  "input.pbm max_alpha output.ppm",
69  args_desc);
70 
71  image2d<bool> input;
72  io::pbm::load(input, argv[1]);
73 
74  // Finding objects.
75  value::label_16 nbboxes;
76  typedef image2d<value::label_16> L;
77  component_set<L> comps
78  = scribo::primitive::extract::components(input, c8(), nbboxes);
79 
80 
81  // Finding right links.
82  object_links<L> right_links
84 
85  // Filtering.
86  object_links<L> filtered_links
87  = filter::object_links_center_aligned(right_links, atof(argv[2]));
88 
89  // Debug image.
92  right_links,
93  filtered_links,
94  anchor::Center);
95 
96  io::ppm::save(decision_image, argv[3]);
97 
98 }