typename DiscreteGaussianImageFilterType::Pointer gaussianFilter=DiscreteGaussianImageFilterType::New();
gaussianFilter->SetInput(input);
gaussianFilter->SetVariance(varianceArray);
typename DiscreteGaussianImageFilterType::Pointer gaussianFilter=DiscreteGaussianImageFilterType::New();
gaussianFilter->SetInput(input);
gaussianFilter->SetVariance(varianceArray);