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contrast.hh
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26 
27 #ifndef MLN_MORPHO_CONTRAST_HH
28 # define MLN_MORPHO_CONTRAST_HH
29 
37 # include <mln/morpho/top_hat.hh>
38 
39 
40 namespace mln
41 {
42 
43  namespace morpho
44  {
45 
52  template <typename I, typename W>
53  mln_concrete(I) contrast(const Image<I>& input, const Window<W>& win);
54 
55 
56 # ifndef MLN_INCLUDE_ONLY
57 
58  template <typename I, typename W>
59  inline
60  mln_concrete(I) contrast(const Image<I>& input, const Window<W>& win)
61  {
62  mln_trace("morpho::contrast");
63  mln_precondition(exact(input).is_valid());
64  mln_precondition(! exact(win).is_empty());
65 
66  mln_concrete(I) output =
67  arith::plus( input,
68  top_hat_white(input, win) - top_hat_black(input, win),
69  fun::v2v::saturate<mln_value(I)>() );
70 
71  return output;
72  }
73 
74 # endif // ! MLN_INCLUDE_ONLY
75 
76  } // end of namespace mln::morpho
77 
78 } // end of namespace mln
79 
80 
81 #endif // ! MLN_MORPHO_CONTRAST_HH