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singh.cc
1 // Copyright (C) 2012, 2013 EPITA Research and Development Laboratory
2 // (LRDE)
3 //
4 // This file is part of Olena.
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8 // Software Foundation, version 2 of the License.
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16 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
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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
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22 // an executable, this file does not by itself cause the resulting
23 // executable to be covered by the GNU General Public License. This
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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/load.hh>
30 #include <mln/io/pbm/save.hh>
31 #include <mln/data/transform.hh>
32 #include <mln/fun/v2v/rgb_to_luma.hh>
33 
34 #include <scribo/binarization/singh.hh>
35 #include <scribo/debug/option_parser.hh>
36 #include <scribo/debug/logger.hh>
37 
38 static const scribo::debug::arg_data arg_desc[] =
39 {
40  { "input.*", "An image." },
41  { "output.pbm", "A binary image." },
42  {0, 0}
43 };
44 
45 
46 // --enable/disable-<name>
47 static const scribo::debug::toggle_data toggle_desc[] =
48 {
49  // name, description, default value
50  {0, 0, false}
51 };
52 
53 
54 // --<name> <args>
55 static const scribo::debug::opt_data opt_desc[] =
56 {
57  // name, description, arguments, check args function, number of args, default arg
58  { "debug-prefix", "Enable debug image outputs. Prefix image name with that "
59  "given prefix.", "<prefix>", 0, 1, 0 },
60  { "k", "Singh's formulae parameter", "<value>", 0, 1, "0.06" },
61  { "verbose", "Enable verbose mode (mute, time, low, medium, full)",
62  "<mode>", scribo::debug::check_verbose_mode, 1, "mute" },
63  { "win-size", "Window size", "<size>", 0, 1, "15" },
64  {0, 0, 0, 0, 0, 0}
65 };
66 
67 
68 
69 int main(int argc, char *argv[])
70 {
71  using namespace mln;
72 
73  scribo::debug::option_parser options(arg_desc, toggle_desc, opt_desc);
74 
75  if (!options.parse(argc, argv))
76  return 1;
77 
78  // Enable debug output.
79  if (options.is_set("debug-prefix"))
80  {
81  scribo::debug::logger().set_filename_prefix(options.opt_value("debug-prefix").c_str());
82  scribo::debug::logger().set_level(scribo::debug::All);
83  }
84 
85  mln_trace("main");
86 
87  unsigned w = atoi(options.opt_value("win-size").c_str());
88  double k = atof(options.opt_value("k").c_str());
89 
90  scribo::debug::logger() << "Using w=" << w << " and k=" << k << std::endl;
91 
93  io::magick::load(input, options.arg("input.*"));
94 
95  // Convert to Gray level image.
98 
99  image2d<bool> out = scribo::binarization::singh(input_1_gl, w, k);
100 
101  io::pbm::save(out, options.arg("output.pbm"));
102 
103 }