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An Image Processing Platform
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wolf.cc
1 // Copyright (C) 2009, 2010, 2011, 2012, 2013 EPITA Research and
2 // Development Laboratory (LRDE)
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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.
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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
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 <mln/core/image/image2d.hh>
28 #include <mln/value/int_u8.hh>
29 #include <mln/io/magick/all.hh>
30 #include <mln/data/transform.hh>
31 #include <mln/fun/v2v/rgb_to_luma.hh>
32 
33 #include <scribo/binarization/wolf.hh>
34 #include <scribo/debug/option_parser.hh>
35 #include <scribo/debug/logger.hh>
36 
37 static const scribo::debug::arg_data arg_desc[] =
38 {
39  { "input.*", "An image." },
40  { "output.pbm", "A binary image." },
41  {0, 0}
42 };
43 
44 
45 // --enable/disable-<name>
46 static const scribo::debug::toggle_data toggle_desc[] =
47 {
48  // name, description, default value
49  {0, 0, false}
50 };
51 
52 
53 // --<name> <args>
54 static const scribo::debug::opt_data opt_desc[] =
55 {
56  // name, description, arguments, check args function, number of args, default arg
57  { "debug-prefix", "Enable debug image outputs. Prefix image name with that "
58  "given prefix.", "<prefix>", 0, 1, 0 },
59  { "k", "Wolf's formulae parameter", "<value>", 0, 1, "0.34" },
60  { "verbose", "Enable verbose mode (mute, time, low, medium, full)",
61  "<mode>", scribo::debug::check_verbose_mode, 1, "mute" },
62  { "win-size", "Window size", "<size>", 0, 1, "101" },
63  {0, 0, 0, 0, 0, 0}
64 };
65 
66 
67 
68 int main(int argc, char *argv[])
69 {
70  using namespace mln;
71 
72  scribo::debug::option_parser options(arg_desc, toggle_desc, opt_desc);
73 
74  if (!options.parse(argc, argv))
75  return 1;
76 
77  // Enable debug output.
78  if (options.is_set("debug-prefix"))
79  {
80  scribo::debug::logger().set_filename_prefix(options.opt_value("debug-prefix").c_str());
81  scribo::debug::logger().set_level(scribo::debug::All);
82  }
83 
84  mln_trace("main");
85 
86  unsigned w = atoi(options.opt_value("win-size").c_str());
87  double k = atof(options.opt_value("k").c_str());
88 
89  scribo::debug::logger() << "Using w=" << w << " and k=" << k << std::endl;
90 
92  io::magick::load(input, options.arg("input.*"));
93 
94  // Convert to Gray level image.
97 
98  image2d<bool> out = scribo::binarization::wolf(input_1_gl, w, k);
99 
100  io::magick::save(out, options.arg("output.pbm"));
101 
102 }