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equivalent_preserve_edge.hh

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00001 
00004 #ifndef __EQUIVALENT_PRESERVE_EDGE_HH__
00005 #define __EQUIVALENT_PRESERVE_EDGE_HH__
00006 
00007 #include "equivalent_mont_jolion.hh"
00008 #include "vertex_data_color.hh"
00009 #include "border_data_deriche.hh"
00010 
00012 class equivalent_preserve_edge: public equivalent_mont_jolion
00013 {
00014 private:
00015   // Grey Difference allowed beetween two vertices
00016   double grey_threshold;
00017   // maximum of the gradient allowed beetween two vertices
00018   double grad_threshold;
00019 public:
00021   equivalent_preserve_edge(const vertex_data_color &v, const border_data_deriche &b):equivalent_mont_jolion(v, b),grey_threshold(220)
00022   {
00023     grad_threshold=0.9*(((border_data_deriche *)b_data)->give_max_gradient());
00024   }
00026   bool lambda(int,vertex,vertex,dart,dart);
00029   double value(vertex);
00032   double interest(int,vertex,vertex,dart,dart);
00033 
00034 
00035   double give_grey_threshold()
00036   {
00037     return grey_threshold;
00038   }
00039   double give_grad_threshold()
00040   {
00041     return grad_threshold;
00042   }
00043   double set_grey_threshold(const double &d)
00044   {
00045     return grey_threshold=d;
00046   }
00047   double set_grad_ratio(const double &d)
00048   {
00049     return grad_threshold=d*(((border_data_deriche *)b_data)->give_max_gradient());
00050   }
00051 };
00052 
00053 #endif // __EQUIVALENT_PRESERVE_EDGE_HH__

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