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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkMatchCardinalityImageToImageMetric.h"
#include "itkTranslationTransform.h"
#include "itkNearestNeighborInterpolateImageFunction.h"
#include "itkImageFileReader.h"
#include <iostream>
int itkMatchCardinalityImageToImageMetricTest(int argc, char* argv[] )
{
if (argc < 2)
{
std::cout << "Usage: " << argv[0] << " InputFile" << std::endl;
exit (1);
}
typedef itk::Image<unsigned char,2> ImageType;
typedef itk::TranslationTransform<double, 2> TransformType;
typedef itk::MatchCardinalityImageToImageMetric<ImageType,ImageType>
MetricType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typedef itk::NearestNeighborInterpolateImageFunction<ImageType,double>
InterpolatorType;
ReaderType::Pointer reader = ReaderType::New();
MetricType::Pointer metric = MetricType::New();
TransformType::Pointer transform = TransformType::New();
InterpolatorType::Pointer interpolator = InterpolatorType::New();
MetricType::ParametersType offset(2);
reader->SetFileName (argv[1]);
reader->Update();
metric->SetMovingImage (reader->GetOutput());
metric->SetFixedImage (reader->GetOutput());
metric->SetInterpolator (interpolator);
metric->SetTransform (transform);
metric->SetFixedImageRegion (reader->GetOutput()->GetLargestPossibleRegion());
metric->Initialize();
std::cout << "First measure matches..." << std::endl;
for (float x = -200.0; x <= 200.0; x+= 50.0)
{
offset[0] = x;
for (float y = 0.0; y <= 0.0; y+= 10.0)
{
offset[1] = y;
try
{
std::cout << "Offset: " << offset << " = " << metric->GetValue(offset) << std::endl;
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception thrown while computing metric " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
}
}
std::cout << "Now measure mismatches..." << std::endl;
metric->MeasureMatchesOff();
for (float x = -200.0; x <= 200.0; x+= 50.0)
{
offset[0] = x;
for (float y = 0.0; y <= 0.0; y+= 10.0)
{
offset[1] = y;
try
{
std::cout << "Offset: " << offset << " = " << metric->GetValue(offset) << std::endl;
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception thrown while computing metric " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
}
}
return EXIT_SUCCESS;
}
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