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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 "itkBinaryThresholdImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkStochasticFractalDimensionImageFilter.h"
#include "itkSimpleFilterWatcher.h"
namespace StochasticFractalDimensionImageFilterTest
{
template <unsigned int NDimension>
class Helper
{
public:
static int Run( int argc, char *argv[] )
{
typedef float PixelType;
typedef itk::Image<PixelType, NDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer imageReader = ReaderType::New();
imageReader->SetFileName( argv[2] );
imageReader->Update();
typedef itk::StochasticFractalDimensionImageFilter<ImageType> FractalFilterType;
typename FractalFilterType::Pointer fractalFilter = FractalFilterType::New();
fractalFilter->SetInput( imageReader->GetOutput() );
itk::SimpleFilterWatcher watcher( fractalFilter, "FractalDimensionFilter");
typename FractalFilterType::RadiusType radius;
typename FractalFilterType::RadiusType radius2;
radius.Fill( 5 );
fractalFilter->SetNeighborhoodRadius( radius );
radius2 = fractalFilter->GetNeighborhoodRadius();
if( radius2[0] != 5 )
{
std::cerr << "Error in Set/GetNeighborhoodRadius()" << std::endl;
return EXIT_FAILURE;
}
radius.Fill( 2 );
fractalFilter->SetNeighborhoodRadius( radius );
radius2 = fractalFilter->GetNeighborhoodRadius();
if( radius2[0] != 2 )
{
std::cerr << "Error in Set/GetNeighborhoodRadius()" << std::endl;
return EXIT_FAILURE;
}
if( argc > 4 )
{
radius.Fill( atoi( argv[4] ) );
fractalFilter->SetNeighborhoodRadius( radius );
}
if( argc > 5 )
{
PixelType maskLabel = 1.0;
if( argc > 6 )
{
maskLabel = static_cast<PixelType>( atof( argv[6] ) );
}
typename ReaderType::Pointer labelImageReader = ReaderType::New();
labelImageReader->SetFileName( argv[5] );
labelImageReader->Update();
typedef typename FractalFilterType::MaskImageType MaskImageType;
typedef itk::BinaryThresholdImageFilter<ImageType, MaskImageType> ThresholderType;
typename ThresholderType::Pointer thresholder = ThresholderType::New();
thresholder->SetInput( labelImageReader->GetOutput() );
thresholder->SetInsideValue( 1 );
thresholder->SetOutsideValue( 0 );
thresholder->SetLowerThreshold( maskLabel );
thresholder->SetUpperThreshold( maskLabel );
thresholder->Update();
fractalFilter->SetMaskImage( thresholder->GetOutput() );
}
try
{
itk::TimeProbe timer;
timer.Start();
std::cout << "/" << std::flush;
fractalFilter->Update();
std::cout << "/" << std::flush;
timer.Stop();
std::cout << " (elapsed time: " << timer.GetMean() << ")" << std::endl;
}
catch( ... )
{
std::cerr << "Exception caught." << std::endl;
return EXIT_FAILURE;
}
typedef itk::ImageFileWriter<ImageType> WriterType;
typename WriterType::Pointer writer = WriterType::New();
writer->SetInput( fractalFilter->GetOutput() );
writer->SetFileName( argv[3] );
writer->UseCompressionOn();
writer->Update();
return EXIT_SUCCESS;
}
};
}
int itkStochasticFractalDimensionImageFilterTest( int argc, char *argv[] )
{
if ( argc < 3 )
{
std::cout << "Usage: " << argv[0] << " imageDimension "
<< "inputImage outputImage [radius] [labelImage] [label]" << std::endl;
return EXIT_FAILURE;
}
const unsigned int imageDimension = atoi( argv[1] );
switch( imageDimension )
{
case 2:
{
StochasticFractalDimensionImageFilterTest::Helper<2>::Run( argc, argv );
break;
}
case 3:
{
StochasticFractalDimensionImageFilterTest::Helper<3>::Run( argc, argv );
break;
}
default:
std::cerr << "Image Dimension " << imageDimension;
std::cerr << " is not supported by this test " << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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