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background.hh
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26 
27 #ifndef MLN_LABELING_BACKGROUND_HH
28 # define MLN_LABELING_BACKGROUND_HH
29 
34 
35 # include <mln/labeling/value.hh>
36 
37 
38 namespace mln
39 {
40 
41  namespace labeling
42  {
43 
60  template <typename I, typename N, typename L>
61  mln_ch_value(I, L)
62  background(const Image<I>& input, const Neighborhood<N>& nbh,
63  L& nlabels);
64 
65 
66 # ifndef MLN_INCLUDE_ONLY
67 
68  template <typename I, typename N, typename L>
69  inline
70  mln_ch_value(I, L)
71  background(const Image<I>& input, const Neighborhood<N>& nbh,
72  L& nlabels)
73  {
74  mln_trace("labeling::background");
75 
76  mlc_equal(mln_trait_image_kind(I),
77  mln::trait::image::kind::binary)::check();
78  mln_precondition(exact(input).is_valid());
79  mln_precondition(exact(nbh).is_valid());
80 
81  mln_ch_value(I, L) output = labeling::value(input, false, nbh, nlabels);
82 
83  return output;
84  }
85 
86 # endif // ! MLN_INCLUDE_ONLY
87 
88  } // end of namespace mln::labeling
89 
90 } // end of namespace mln
91 
92 
93 #endif // ! MLN_LABELING_BACKGROUND_HH