RVanVieltBlurringIirOp.hpp Source File

00001 #ifndef __RVanVieltBlurringIirOp__
00002 #define __RVanVieltBlurringIirOp__
00003 
00004 
00026 #include <stdio.h>
00027 
00028 #include "AbsRImageFilter.hpp"
00029 
00030 class RVanVieltBlurringIirOp: public  AbsRImageFilter
00031 {
00032 protected:
00033 
00034 // basic filter parameters
00035 double          sigma;
00036 double          q;
00037 
00038 double          b0;
00039 double          b1;
00040 double          b2;
00041 double          b3;
00042 double          B;
00043 
00044 double          b1_b0;          // b1/b0 avoid divisions
00045 double          b2_b0;
00046 double          b3_b0;
00047 
00048 protected:
00049 
00050 virtual double computeQfromSigma(double asigma);
00051 virtual void computeBparameters();                              // b0,..., B
00052 
00053 public:
00054         
00055 RVanVieltBlurringIirOp(double asigma=1.0);
00056 virtual ~RVanVieltBlurringIirOp(){}
00057 
00058 // single shot filtering
00059 virtual RImage* filter(RImage* src, RImage* dest=0);
00060 virtual RImage* selectedFilter(AnImage* mask, RImage* src, RImage* dest=0)
00061                 { return filter(src, dest); }
00062 
00063 virtual void report(FILE* file){ fprintf(file,"Real Recursive 2d Blur Operator\n"); }
00064 };
00065 
00066 
00067 #endif