| Array2dScalarReal64* Impala::Core::Array::MakeGabor | ( | int | size, | |
| double | sigma, | |||
| double | frequency, | |||
| double | orientation, | |||
| bool | symmetric | |||
| ) |
Definition at line 14 of file MakeGabor.h.
References Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::CPB().
Referenced by Impala::Core::Tracking::GaborFilterSet::GaborFilterSet().
00015 { 00016 Array2dScalarReal64* filter = new Array2dScalarReal64(size, size, 0, 0); 00017 00018 double cr = cos(orientation); 00019 double sr = sin(orientation); 00020 int begin = size/2; 00021 int end = size - begin; 00022 for(int y=-begin ; y<end ; y++) 00023 { 00024 double* p = filter->CPB(0, y+begin); 00025 for(int x=-begin ; x<end ; x++) 00026 { 00027 if(symmetric) 00028 *p = cos((x*cr + y*sr) / frequency) * exp(-(x*x + y*y) / (2*sigma*sigma)); 00029 else 00030 *p = sin((x*cr + y*sr) / frequency) * exp(-(x*x + y*y) / (2*sigma*sigma)); 00031 p++; 00032 } 00033 } 00034 00035 return filter; 00036 }
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