for (unsigned int i=0; i < BLUTCoefficientImageType::ImageDimension; i++) {
component_filter[i] = FilterType::New();
component_filter[i]->SetInput(input);
for (unsigned int i=0; i < BLUTCoefficientImageType::ImageDimension; i++) {
component_filter[i] = FilterType::New();
component_filter[i]->SetInput(input);