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Olena  User documentation 2.1
An Image Processing Platform
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detachment.hh
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26 
27 #ifndef MLN_MAKE_DETACHMENT_HH
28 # define MLN_MAKE_DETACHMENT_HH
29 
33 
34 # include <mln/core/image/complex_image.hh>
35 # include <mln/make/cell.hh>
36 
37 namespace mln
38 {
39 
40  namespace make
41  {
42 
68  template <typename I, typename N>
69  p_set<mln_psite(I)>
70  detachment(const Image<I>& ima, const mln_psite(I)& f,
71  const Neighborhood<N>& nbh);
72 
73 
74 # ifndef MLN_INCLUDE_ONLY
75 
76  template <typename I, typename N>
77  inline
78  p_set<mln_psite(I)>
79  detachment(const Image<I>& ima_, const mln_psite(I)& f,
80  const Neighborhood<N>& nbh_)
81  {
82  mlc_equal(mln_value(I), bool)::check();
83 
84  I ima = exact(ima_);
85  N nbh = exact(nbh_);
86 
87  typedef p_set<mln_psite(I)> faces_t;
88 
89  faces_t f_hat = make::cell(f);
90  // Initialize DETACH_F to F_HAT.
91  faces_t detach_f = f_hat;
92 
93  mln_piter(faces_t) g(f_hat);
94  mln_niter(N) n(nbh, g);
95  for_all(g)
96  for_all(n)
97  if (ima(n) && !f_hat.has(n))
98  {
99  detach_f.remove(g);
100  break;
101  }
102  return detach_f;
103  }
104 
105 # endif // MLN_INCLUDE_ONLY
106 
107  } // end of namespace mln::make
108 
109 } // end of namespace mln
110 
111 #endif // ! MLN_MAKE_DETACHMENT_HH