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algebraic_filter.hh
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26 
27 #ifndef MLN_MORPHO_ALGEBRAIC_FILTER_HH
28 # define MLN_MORPHO_ALGEBRAIC_FILTER_HH
29 
33 
34 
35 # include <mln/core/concept/image.hh>
36 # include <mln/core/concept/neighborhood.hh>
37 # include <mln/core/concept/accumulator.hh>
38 
39 # include <mln/trait/accumulators.hh>
40 
41 # include <mln/data/sort_psites.hh>
42 # include <mln/data/sort_offsets.hh>
43 
44 # include <mln/canvas/morpho/attribute_filter.hh>
45 
46 namespace mln
47 {
48 
49  namespace morpho
50  {
51 
55  template <typename I, typename N, typename A>
56  mln_concrete(I)
57  algebraic_filter(const Image<I>& input,
58  const Neighborhood<N>& nbh,
59  const Accumulator<A>& a,
60  const typename A::result& lambda,
61  bool increasing);
62 
63 
64 # ifndef MLN_INCLUDE_ONLY
65 
66  template <typename I, typename N, typename A>
67  mln_concrete(I)
68  algebraic_filter(const Image<I>& input,
69  const Neighborhood<N>& nbh,
70  const Accumulator<A>& a,
71  const typename A::result& lambda,
72  bool increasing)
73  {
74  mln_trace("morpho::opening::algebraic_filter");
75 
76  mln_precondition(exact(input).is_valid());
77 
78  mlc_or(mlc_equal(mln_trait_accumulator_when_pix(A),
79  trait::accumulator::when_pix::use_none),
80  mlc_equal(mln_trait_accumulator_when_pix(A),
81  trait::accumulator::when_pix::use_p))::check();
82 
83  mln_concrete(I) output;
84  output = canvas::morpho::internal::attribute_filter_dispatch(input,
85  nbh,
86  a,
87  lambda,
88  increasing);
89 
90 
91  return output;
92  }
93 
94 # endif // ! MLN_INCLUDE_ONLY
95 
96  } // end of namespace mln::morpho
97 
98 } // end of namespace mln
99 
100 #endif // ! MLN_MORPHO_ALGEBRAIC_FILTER_HH