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text_in_doc_preprocess.cc
1 // Copyright (C) 2010, 2011, 2013 EPITA Research and Development
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20 // instantiate templates or use macros or inline functions from this
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25 // executable file might be covered by the GNU General Public License.
26 
27 
28 #include <libgen.h>
29 #include <iostream>
30 
31 #include <mln/core/image/image2d.hh>
32 
33 #include <mln/io/magick/load.hh>
34 #include <mln/io/pbm/save.hh>
35 
36 #include <mln/value/rgb8.hh>
37 
38 #include <scribo/debug/option_parser.hh>
39 
40 #include <scribo/toolchain/text_in_doc_preprocess.hh>
41 
42 
43 static const scribo::debug::arg_data arg_desc[] =
44 {
45  { "input.*", "An image." },
46  { "output.pbm", "Binary preprocess image." },
47  {0, 0}
48 };
49 
50 
51 // --enable/disable-<name>
52 static const scribo::debug::toggle_data toggle_desc[] =
53 {
54  // name, description, default value
55  { "fg-extraction", "Detect and slit foreground/background components. (default: disabled)", false },
56  {0, 0, false}
57 };
58 
59 
60 // --<name> <args>
61 static const scribo::debug::opt_data opt_desc[] =
62 {
63  // name, description, arguments, check args function, number of args, default arg
64  { "lambda", "Set the maximum area of the background objects. It is only useful if fg-extraction is enabled.", "<size>",
65  0, 1, "0" },
66  { "verbose", "Enable verbose mode", 0, 0, 0, 0 },
67  {0, 0, 0, 0, 0, 0}
68 };
69 
70 
71 
72 int main(int argc, char* argv[])
73 {
74  using namespace scribo;
75  using namespace mln;
76 
77  scribo::debug::option_parser options(arg_desc, toggle_desc, opt_desc);
78 
79  if (!options.parse(argc, argv))
80  return 1;
81 
82  image2d<value::rgb8> input_rgb;
83  io::magick::load(input_rgb, options.arg("input.*"));
84 
85  unsigned lambda = atoi(options.opt_value("lambda").c_str());
86  bool fg_extraction = options.is_enabled("fg-extraction");
87  bool verbose = options.is_set("verbose");
88 
89  image2d<bool> output;
90 
91  output = toolchain::text_in_doc_preprocess(input_rgb, fg_extraction,
92  lambda, 0.34, false, verbose);
93 
94  mln::io::pbm::save(output, options.arg("output.pbm"));
95 }