#define CLITKIMAGEARITHMGENERICFILTER_CXX
#include "clitkImageArithmGenericFilter.h"
-#include "clitkImageArithm_ggo.h"
namespace clitk {
// Specialisation
+// template<>
+// class ImageArithmGenericFilter<args_info_clitkImageArithm>;
+
+ template<>
+ template<>
+ void ImageArithmGenericFilter<args_info_clitkImageArithm>::UpdateWithInputImageType< itk::Image< itk::Vector<float, 3u>, 3u > >()
+ {
+ typedef itk::Image< itk::Vector<float, 3u>, 3u > ImageType;
+
+ // Read input1
+ typename ImageType::Pointer input1 = this->GetInput<ImageType>(0);
+
+ // Set input image iterator
+ typedef itk::ImageRegionIterator<ImageType> IteratorType;
+ IteratorType it(input1, input1->GetLargestPossibleRegion());
+
+ // typedef input2
+ typename ImageType::Pointer input2 = NULL;
+ IteratorType it2;
+
+ /*
+ // Special case for normalisation
+ if (mTypeOfOperation == 12) {
+ typedef itk::MinimumMaximumImageCalculator<ImageType> MinMaxFilterType;
+ typename MinMaxFilterType::Pointer ff = MinMaxFilterType::New();
+ ff->SetImage(input1);
+ ff->ComputeMaximum();
+ mScalar = ff->GetMaximum();
+ mTypeOfOperation = 11; // divide
+ }
+ */
+
+ if (mIsOperationUseASecondImage) {
+ // Read input2
+ input2 = this->GetInput<ImageType>(1);
+ // Set input image iterator
+ it2 = IteratorType(input2, input2->GetLargestPossibleRegion());
+ // Check dimension
+ if (!clitk::HaveSameSize<ImageType, ImageType>(input1, input2)) {
+ itkExceptionMacro(<< "The images (input and input2) must have the same size");
+ }
+ if(!clitk::HaveSameSpacing<ImageType, ImageType>(input1, input2)) {
+ itkWarningMacro(<< "The images (input and input2) do not have the same spacing. "
+ << "Using first input's information.");
+ }
+ }
+
+ /*
+ // Check if overwrite and outputisfloat and pixeltype is not float -> do not overwrite
+ if (mOverwriteInputImage && mOutputIsFloat && (typeid(typename ImageType::PixelType) != typeid(float))) {
+ // std::cerr << "Warning. Could not use both mOverwriteInputImage and mOutputIsFloat, because input is "
+ // << typeid(PixelType).name()
+ // << std::endl;
+ mOverwriteInputImage = false;
+ }
+ */
+
+ // ---------------- Overwrite input Image ---------------------
+ if (mOverwriteInputImage) {
+ // Set output iterator (to input1)
+ IteratorType ito = IteratorType(input1, input1->GetLargestPossibleRegion());
+ if (mIsOperationUseASecondImage) ComputeImage(it, it2, ito);
+ else ComputeImage(it, ito);
+ this->SetNextOutput<ImageType>(input1);
+ }
+ // ---------------- Create new output Image ---------------------
+ else {
+ /*if (mOutputIsFloat) {
+ // Create output image
+ typedef itk::Image<float,ImageType::ImageDimension> OutputImageType;
+ typename OutputImageType::Pointer output = OutputImageType::New();
+ output->SetRegions(input1->GetLargestPossibleRegion());
+ output->SetOrigin(input1->GetOrigin());
+ output->SetSpacing(input1->GetSpacing());
+ output->Allocate();
+ // Set output iterator
+ typedef itk::ImageRegionIterator<OutputImageType> IteratorOutputType;
+ IteratorOutputType ito = IteratorOutputType(output, output->GetLargestPossibleRegion());
+ if (mIsOperationUseASecondImage) ComputeImage(it, it2, ito);
+ else ComputeImage(it, ito);
+ this->template SetNextOutput<OutputImageType>(output);
+ } else*/ {
+ // Create output image
+ typedef ImageType OutputImageType;
+ typename OutputImageType::Pointer output = OutputImageType::New();
+ output->SetRegions(input1->GetLargestPossibleRegion());
+ output->SetOrigin(input1->GetOrigin());
+ output->SetSpacing(input1->GetSpacing());
+ output->Allocate();
+ // Set output iterator
+ typedef itk::ImageRegionIterator<OutputImageType> IteratorOutputType;
+ IteratorOutputType ito = IteratorOutputType(output, output->GetLargestPossibleRegion());
+ if (mIsOperationUseASecondImage) ComputeImage(it, it2, ito);
+ else ComputeImage(it, ito);
+ this->SetNextOutput<OutputImageType>(output);
+ }
+ }
+ }
+
template<>
- class ImageArithmGenericFilter<args_info_clitkImageArithm>;
+ template<>
+ void ImageArithmGenericFilter<args_info_clitkImageArithm>::ComputeImage<
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > >,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > >
+ (itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > it,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > ito)
+ {
+ typedef itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > Iter2;
+
+ ito.GoToBegin();
+ it.GoToBegin();
+
+ typedef typename Iter2::PixelType PixelType;
+
+ PixelType scalar_vector;
+ scalar_vector.Fill(mScalar);
+
+ // Perform operation
+ switch (mTypeOfOperation) {
+ case 0: // Addition
+ while (!it.IsAtEnd()) {
+ ito.Set(it.Get() + scalar_vector);
+ ++it;
+ ++ito;
+ }
+ break;
+ case 1: // Multiply
+ while (!it.IsAtEnd()) {
+ ito.Set(it.Get() * mScalar);
+ ++it;
+ ++ito;
+ }
+ break;
+ /*
+ case 2: // Inverse
+ while (!it.IsAtEnd()) {
+ if (it.Get() != 0)
+ ito.Set(mScalar / it.Get()));
+ else ito.Set(mDefaultPixelValue);
+ ++it;
+ ++ito;
+ }
+ break;
+ case 3: // Max
+ while (!it.IsAtEnd()) {
+ if (it.Get() < mScalar) ito.Set(PixelTypeDownCast<double, PixelType>(mScalar));
+ else ito.Set(PixelTypeDownCast<double, PixelType>(it.Get()));
+ ++it;
+ ++ito;
+ }
+ break;
+ case 4: // Min
+ while (!it.IsAtEnd()) {
+ if (it.Get() > mScalar) ito.Set(PixelTypeDownCast<double, PixelType>(mScalar));
+ else ito.Set(PixelTypeDownCast<double, PixelType>(it.Get()));
+ ++it;
+ ++ito;
+ }
+ break;
+ case 5: // Absolute value
+ while (!it.IsAtEnd()) {
+ if (it.Get() <= 0) ito.Set(PixelTypeDownCast<double, PixelType>(-it.Get()));
+ // <= zero to avoid warning for unsigned types
+ else ito.Set(PixelTypeDownCast<double, PixelType>(it.Get()));
+ ++it;
+ ++ito;
+ }
+ break;
+ case 6: // Squared value
+ while (!it.IsAtEnd()) {
+ ito.Set(PixelTypeDownCast<double, PixelType>((double)it.Get()*(double)it.Get()));
+ ++it;
+ ++ito;
+ }
+ break;
+ case 7: // Log
+ while (!it.IsAtEnd()) {
+ if (it.Get() > 0)
+ ito.Set(PixelTypeDownCast<double, PixelType>(log((double)it.Get())));
+ else ito.Set(mDefaultPixelValue);
+ ++it;
+ ++ito;
+ }
+ break;
+ case 8: // exp
+ while (!it.IsAtEnd()) {
+ ito.Set(PixelTypeDownCast<double, PixelType>(exp((double)it.Get())));
+ ++it;
+ ++ito;
+ }
+ break;
+ case 9: // sqrt
+ while (!it.IsAtEnd()) {
+ if (it.Get() > 0)
+ ito.Set(PixelTypeDownCast<double, PixelType>(sqrt((double)it.Get())));
+ else {
+ if (it.Get() ==0) ito.Set(0);
+ else ito.Set(mDefaultPixelValue);
+ }
+ ++it;
+ ++ito;
+ }
+ break;
+ case 10: // exp
+ while (!it.IsAtEnd()) {
+ ito.Set(PixelTypeDownCast<double, PixelType>((0x10000 - (double)it.Get())/mScalar));
+ ++it;
+ ++ito;
+ }
+ break;
+ */
+ case 11: // divide
+ while (!it.IsAtEnd()) {
+ ito.Set(it.Get() / mScalar);
+ ++it;
+ ++ito;
+ }
+ break;
+ default: // error ?
+ std::cerr << "ERROR : the operation number (" << mTypeOfOperation << ") is not known." << std::endl;
+ exit(-1);
+ }
+
+ }
+
+ template<>
+ template<>
+ void ImageArithmGenericFilter<args_info_clitkImageArithm>::ComputeImage<
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > >,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > >,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > >
+ >
+ (itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > it1,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > it2,
+ itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > ito)
+ {
+ typedef itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > Iter1;
+ typedef itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > Iter2;
+ typedef itk::ImageRegionIterator< itk::Image< itk::Vector<float, 3u>, 3u > > Iter3;
+
+ it1.GoToBegin();
+ it2.GoToBegin();
+ ito.GoToBegin();
+ typedef typename Iter3::PixelType PixelType;
+
+ switch (mTypeOfOperation) {
+ case 0: // Addition
+ while (!ito.IsAtEnd()) {
+ ito.Set(it1.Get() + it2.Get());
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ /*
+ case 1: // Multiply
+ while (!ito.IsAtEnd()) {
+ ito.Set(it1.Get() * it2.Get()) );
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ case 2: // Divide
+ while (!ito.IsAtEnd()) {
+ if (it1.Get() != 0)
+ ito.Set(it1.Get() / it2.Get()));
+ else ito.Set(mDefaultPixelValue);
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ case 3: // Max
+ while (!ito.IsAtEnd()) {
+ if (it1.Get() < it2.Get()) ito.Set(it2.Get());
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ case 4: // Min
+ while (!ito.IsAtEnd()) {
+ if (it1.Get() > it2.Get()) ito.Set(it2.Get());
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ */
+ case 5: // Absolute difference
+ while (!ito.IsAtEnd()) {
+ ito.Set(it2.Get()-it1.Get());
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ /*
+ case 6: // Squared differences
+ while (!ito.IsAtEnd()) {
+ ito.Set(pow(it1.Get()-it2.Get(),2)));
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ */
+ case 7: // Difference
+ while (!ito.IsAtEnd()) {
+ ito.Set(it1.Get()-it2.Get());
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ /*
+ case 8: // Relative Difference
+ while (!ito.IsAtEnd()) {
+ if (it1.Get() != 0) ito.Set(PixelTypeDownCast<double, PixelType>(((double)it1.Get()-(double)it2.Get()))/(double)it1.Get());
+ else ito.Set(0.0);
+ ++it1;
+ ++it2;
+ ++ito;
+ }
+ break;
+ */
+ default: // error ?
+ std::cerr << "ERROR : the operation number (" << mTypeOfOperation << ") is not known." << std::endl;
+ exit(-1);
+ }
+ }
+
}
#endif //define CLITKIMAGEARITHMGENERICFILTER_CXX