RColorCoherenceEnhBilateralOp.hpp Source File

00001 #ifndef __RColorCoherenceEnhBilateralOp__
00002 #define __RColorCoherenceEnhBilateralOp__
00003 
00030 #include <stdio.h>
00031 
00032 #include "AnImage.hpp"
00033 #include "RImage.hpp"
00034 
00035 #include "Real3CImage.hpp"
00036 
00037 #include "ARColorImageFilter.hpp"
00038 
00039 
00040 class RColorCoherenceEnhBilateralOp: public ARColorImageFilter
00041 {
00042 private:
00043 
00044 double  alpha;          // to enhance an eigenvalue ]0.0, 1.0]
00045 double  alphaInv;               // to enhance an eigenvalue (avoid divisions)
00046 
00047 int             S;                      // window size from center
00048 
00049 double  sigmaD;         // used for spatial diffusion 2,3,5
00050 double  sigmaR;         // used for measurement 10, 30, 100
00051 
00052 double  beta;                   // sigmaD/sigmaR used to reduce division
00053 
00054 double          beta2;          // beta^2
00055 double  invSigmaD2;             // inverse variance diffusion
00056 
00057 protected:
00058 
00059 double getW(Real3CImage* im, int xc, int yc, int xn, int yn); 
00060 
00061 public:
00062         
00063 RColorCoherenceEnhBilateralOp(double alpha0= 0.01, double asigmaD=5.0, double asigmaR=30.0, int windowSize=15)
00064         {alpha= alpha0; alphaInv= 1.0/alpha; sigmaD= asigmaD; sigmaR= asigmaR; S=windowSize; 
00065         beta= sigmaD/sigmaR; invSigmaD2= 1.0/(sigmaD*sigmaD); beta2= beta*beta;}
00066 virtual ~RColorCoherenceEnhBilateralOp(){}
00067 
00068 
00069 // single shot filtering
00070 virtual Real3CImage* filter(Real3CImage* src, Real3CImage* dest=0);
00071 virtual Real3CImage* selectedFilter(AnImage* mask, Real3CImage* src, Real3CImage* dest=0);
00072 
00073 
00074 
00075 virtual void report(FILE* file){}
00076 };
00077 
00078 
00079 #endif