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Olena  User documentation 2.1
An Image Processing Platform
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cleantxt.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
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 
31 #include <mln/io/pbm/all.hh>
32 
33 #include <mln/logical/not.hh>
34 #include <mln/core/alias/neighb2d.hh>
35 
36 #include <mln/value/int_u16.hh>
37 
38 #include <scribo/text/merging.hh>
39 #include <scribo/primitive/extract/components.hh>
40 #include <scribo/primitive/link/with_single_left_link_dmax_ratio.hh>
41 #include <scribo/primitive/group/from_single_link.hh>
42 #include <scribo/text/clean.hh>
43 #include <scribo/debug/usage.hh>
44 
45 #include <scribo/make/debug_filename.hh>
46 
47 const char *args_desc[][2] =
48 {
49  { "input.pbm", "A binary image. 'True' for objects, 'False' for the "
50  "background." },
51  { "out.pbm", "A cleaned up binary image." },
52  {0, 0}
53 };
54 
55 
56 
57 int main(int argc, char* argv[])
58 {
59  using namespace scribo;
60  using namespace mln;
61 
62  if (argc != 3)
63  return scribo::debug::usage(argv,
64  "Cleanup text areas.",
65  "input.pbm out.pbm",
66  args_desc);
67 
68  mln_trace("main");
69 
70  image2d<bool> input;
71  io::pbm::load(input, argv[1]);
72 
73  scribo::make::internal::debug_filename_prefix = argv[2];
74 
75  typedef image2d<value::int_u16> L;
76  value::int_u16 ncomps;
78  comps = primitive::extract::components(input, c8(), ncomps);
79 
82 
84  groups = primitive::group::from_single_link(links);
85 
86  line_set<L> lines(groups);
87  lines = text::merging(lines);
88 
89  logical::not_inplace(input);
90 
91  for_all_lines(l, lines)
92  io::pbm::save(scribo::text::clean(lines(l), input),
93  scribo::make::debug_filename("text.pbm"));
94 
95 }