| void Impala::Core::Array::Resample | ( | Array2dVec3UInt8 *& | dst, | |
| Array2dVec3UInt8 * | src, | |||
| int | newWidth, | |||
| int | newHeight | |||
| ) | [inline] |
Definition at line 25 of file Resample.h.
References ArrayListDelete(), Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::CH(), Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::CW(), Impala::Core::Array::Array2dTem< StorT, elemSize, ArithT >::ElemSize(), Impala::Core::Geometry::LINEAR, MakeFrom3Images(), Impala::Application::DemoCamera2d::precision, ProjectRange(), RecGauss(), and Scale().
Referenced by Impala::Core::Feature::ComputeRegionDescriptor().
00027 { 00028 double scaleX = (double) newWidth / src->CW(); 00029 double scaleY = (double) newHeight / src->CH(); 00030 00031 // reduce by factor of 2 == sigma 0.75 00032 //double sigmaX = (1.0 / scaleX) * 0.375; 00033 //double sigmaY = (1.0 / scaleY) * 0.375; 00034 double sigmaX = 0.75; 00035 double sigmaY = sigmaX; 00036 00037 std::vector<Array2dScalarReal64*> resList; 00038 for (int d=1 ; d<=src->ElemSize() ; d++) 00039 { 00040 Array2dScalarUInt8* comp = 0; 00041 ProjectRange(comp, src, d); 00042 double precision = 3.0; 00043 Array2dScalarReal64* compReal = 0; 00044 //Set(compReal, comp); 00045 Scale(compReal, comp, scaleX, scaleY, Geometry::LINEAR, true); 00046 Array2dScalarReal64* p = 0; 00047 RecGauss(p, compReal, sigmaX, sigmaY, 0, 0, precision); 00048 resList.push_back(p); 00049 delete comp; 00050 delete compReal; 00051 } 00052 MakeFrom3Images(dst, resList[0], resList[1], resList[2]); 00053 ArrayListDelete(&resList); 00054 }
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