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niblack_fast.hh
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26 
27 #ifndef SCRIBO_BINARIZATION_NIBLACK_FAST_HH
28 # define SCRIBO_BINARIZATION_NIBLACK_FAST_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <scribo/binarization/internal/niblack_functor_fast.hh>
36 # include <scribo/binarization/internal/local_threshold_core.hh>
37 
38 namespace scribo
39 {
40 
41  namespace binarization
42  {
43 
44  using namespace mln;
45 
46 
61  template <typename I>
62  mln_ch_value(I, bool)
63  niblack_fast(const Image<I>& input, unsigned window_size, double K);
64 
65 
66 
74  template <typename I>
75  mln_ch_value(I, bool)
76  niblack_fast(const Image<I>& input, unsigned window_size);
77 
78 
84  template <typename I>
85  mln_ch_value(I, bool)
86  niblack_fast(const Image<I>& input);
87 
88 
89 # ifndef MLN_INCLUDE_ONLY
90 
91  // Facades
92 
93  template <typename I>
94  mln_ch_value(I, bool)
95  niblack_fast(const Image<I>& input, unsigned window_size, double K)
96  {
97  mln_trace("scribo::binarization::niblack_fast");
98 
99  mln_precondition(exact(input).is_valid());
100 
101  internal::niblack_functor_fast<I> f(input, K);
102  internal::local_threshold_core(input, f, window_size);
103 
104  return f.output;
105  }
106 
107 
108  template <typename I>
109  mln_ch_value(I, bool)
110  niblack_fast(const Image<I>& input, unsigned window_size)
111  {
112  return niblack_fast(input, window_size, SCRIBO_DEFAULT_NIBLACK_K);
113  }
114 
115 
116  template <typename I>
117  mln_ch_value(I, bool)
118  niblack_fast(const Image<I>& input)
119  {
120  return niblack_fast(input, 11);
121  }
122 
123 # endif // ! MLN_INCLUDE_ONLY
124 
125 
126  } // end of namespace scribo::binarization
127 
128 } // end of namespace scribo
129 
130 
131 #endif // ! SCRIBO_BINARIZATION_NIBLACK_FAST_HH