RRecursive4dIIROp.hpp Source File

00001 #ifndef __RRecursive4dIIROp__
00002 #define __RRecursive4dIIROp__
00003 
00036 #include <stdio.h>
00037 
00038 #include "RRecursive2dBlurOp.hpp"
00039 
00040 class RRecursive4dIIROp 
00041 {
00042 protected:
00043 
00044 bool    symmetric[2];
00045 
00046 
00047 // basic filter parameters
00048 double          sigma;
00049 
00050 double          scale;                  // normalisation factor
00051 
00052 double          a0[2];
00053 double          a1[2];
00054 double          b0[2];
00055 double          w0[2];
00056 
00057 double          c0[2];
00058 double          c1[2];
00059 double          b1[2];
00060 double          w1[2];
00061 
00062 // causal filter parameters
00063 double          n0p[2], n1p[2], n2p[2], n3p[2];
00064 double          d1p[2], d2p[2], d3p[2], d4p[2];
00065 
00066 // non-causal filter parameters
00067 double          n1m[2], n2m[2], n3m[2], n4m[2];
00068 double          d1m[2], d2m[2], d3m[2], d4m[2];
00069 
00070 protected:
00071 
00072 virtual void computeNormalisation(int direction);
00073 
00074 virtual void computeCausalFilter(int direction);
00075 virtual void computeNonCausalFilter(int direction);
00076 
00077 public:
00078         
00079 RRecursive4dIIROp(double asigma=1.0);
00080 virtual ~RRecursive4dIIROp(){}
00081 
00082 // single shot filtering
00083 virtual RImage* filter(RImage* src, RImage* dest=0);
00084 virtual RImage* selectedFilter(AnImage* mask, RImage* src, RImage* dest=0);
00085 
00086 virtual void report(FILE* file){ fprintf(file,"Real Recursive 4d IIR Operator\n"); }
00087 };
00088 
00089 
00090 #endif