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Olena  User documentation 2.1
An Image Processing Platform
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1 // Copyright (C) 2012, 2013 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 
28 
29 #include <cmath>
30 #include <mln/core/image/image2d.hh>
31 #include <mln/value/int_u8.hh>
32 #include <mln/io/magick/all.hh>
33 #include <mln/data/transform.hh>
34 #include <mln/fun/v2v/rgb_to_luma.hh>
35 #include <scribo/binarization/kim.hh>
36 #include <scribo/debug/option_parser.hh>
37 #include <scribo/debug/logger.hh>
38 
39 
40 static const scribo::debug::arg_data arg_desc[] =
41 {
42  { "input.*", "An image." },
43  { "output.*", "A binary image." },
44  {0, 0}
45 };
46 
47 
48 // --enable/disable-<name>
49 static const scribo::debug::toggle_data toggle_desc[] =
50 {
51  // name, description, default value
52  {0, 0, false}
53 };
54 
55 
56 // --<name> <args>
57 static const scribo::debug::opt_data opt_desc[] =
58 {
59  // name, description, arguments, check args function, number of args, default arg
60  { "debug-prefix", "Enable debug image outputs. Prefix image name with that "
61  "given prefix.", "<prefix>", 0, 1, 0 },
62  { "k", "Sauvola's formulae parameter", "<value>", 0, 1, "0.34" },
63  { "verbose", "Enable verbose mode (mute, time, low, medium, full)",
64  "<mode>", scribo::debug::check_verbose_mode, 1, "mute" },
65  { "win-size", "Window size at scale 1", "<size>", 0, 1, "101" },
66  {0, 0, 0, 0, 0, 0}
67 };
68 
69 int main(int argc, char *argv[])
70 {
71  using namespace mln;
72  using namespace scribo;
73 
74  scribo::debug::option_parser options(arg_desc, toggle_desc, opt_desc);
75 
76  if (!options.parse(argc, argv))
77  return 1;
78 
79  // Enable debug output.
80  if (options.is_set("debug-prefix"))
81  {
82  scribo::debug::logger().set_filename_prefix(options.opt_value("debug-prefix").c_str());
83  scribo::debug::logger().set_level(scribo::debug::All);
84  }
85 
86  mln_trace("main");
87 
88 
89  // Window size
90  unsigned w_1 = atoi(options.opt_value("win-size").c_str());
91  double k = atof(options.opt_value("k").c_str());
92 
93  scribo::debug::logger() << "Using w_1=" << w_1
94  << " - k=" << k << std::endl;
95 
96 
97  // Load
98  image2d<value::rgb8> input_1;
99  io::magick::load(input_1, options.arg("input.*"));
100 
102  t.start();
103 
104  // Convert to Gray level image.
106  input_1_gl = data::transform(input_1,
108 
110  output = scribo::binarization::kim(input_1_gl, w_1, k);
111 
112  io::magick::save(output, options.arg("output.*"));
113 }