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contrast.hh
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25 
26 #ifndef MLN_MORPHO_CONTRAST_HH
27 # define MLN_MORPHO_CONTRAST_HH
28 
36 # include <mln/morpho/top_hat.hh>
37 
38 
39 namespace mln
40 {
41 
42  namespace morpho
43  {
44 
49  template <typename I, typename W>
50  mln_concrete(I) contrast(const Image<I>& input, const Window<W>& win);
51 
52 
53 # ifndef MLN_INCLUDE_ONLY
54 
55  template <typename I, typename W>
56  inline
57  mln_concrete(I) contrast(const Image<I>& input, const Window<W>& win)
58  {
59  trace::entering("morpho::contrast");
60  mln_precondition(exact(input).is_valid());
61  mln_precondition(! exact(win).is_empty());
62 
63  mln_concrete(I) output =
64  arith::plus( input,
65  top_hat_white(input, win) - top_hat_black(input, win),
66  fun::v2v::saturate<mln_value(I)>() );
67 
68  trace::exiting("morpho::contrast");
69  return output;
70  }
71 
72 # endif // ! MLN_INCLUDE_ONLY
73 
74  } // end of namespace mln::morpho
75 
76 } // end of namespace mln
77 
78 
79 #endif // ! MLN_MORPHO_CONTRAST_HH