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global_threshold.hh
1 // Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef SCRIBO_BINARIZATION_GLOBAL_THRESHOLD_HH
27 # define SCRIBO_BINARIZATION_GLOBAL_THRESHOLD_HH
28 
29 # include <mln/core/concept/image.hh>
30 # include <mln/value/concept/vectorial.hh>
31 # include <mln/fun/v2b/threshold_le.hh>
32 # include <mln/data/transform.hh>
33 
37 
38 
42 
43 namespace scribo
44 {
45 
46  using namespace mln;
47 
48 
49  namespace binarization
50  {
51 
62  //
63  template <typename I>
64  mln_ch_value(I, bool)
65  global_threshold(const Image<I>& input, const mln_value(I)& threshold);
66 
67 
68 # ifndef MLN_INCLUDE_ONLY
69 
70 
71  template <typename I>
72  mln_ch_value(I, bool)
73  global_threshold(const Image<I>& input, const mln_value(I)& threshold)
74  {
75  mln_trace("scribo::binarization::global_threshold");
76 
77  mln_precondition(exact(input).is_valid());
78  mlc_is_not_a(mln_value(I), value::Vectorial)::check();
79 
81  mln_ch_value(I, bool) output = data::transform(input, f);
82 
83  return output;
84  }
85 
86 
87 # endif // ! MLN_INCLUDE_ONLY
88 
89  } // end of namespace scribo::binarization
90 
91 } // end of namespace scribo
92 
93 
94 #endif // ! SCRIBO_BINARIZATION_GLOBAL_THRESHOLD_HH