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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 "itkGetAverageSliceImageFilter.h"
#include "itkImageSeriesReader.h"
#include "itkImageSeriesWriter.h"
#include "itkGDCMImageIO.h"
#include "itkGDCMSeriesFileNames.h"
int itkGetAverageSliceImageFilterTest(int argc, char *argv[] )
{
typedef short PixelType;
static ITK_CONSTEXPR_VAR int ImageDimension = 3;
typedef itk::Image<PixelType,ImageDimension> InputImageType;
typedef itk::Image<PixelType,ImageDimension> OutputImageType;
typedef itk::Image<unsigned char,ImageDimension> WriteImageType;
typedef itk::ImageSeriesReader< InputImageType > ReaderType;
typedef itk::GetAverageSliceImageFilter<InputImageType,OutputImageType>
GetAveragerType;
typedef itk::ImageSeriesWriter<OutputImageType,WriteImageType>
WriterType;
typedef itk::GDCMSeriesFileNames SeriesFileNames;
typedef itk::GDCMImageIO ImageIOType;
if (argc < 3)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputDICOMDirectory outputFile" << std::endl;
return EXIT_FAILURE;
}
// Get the input filenames
SeriesFileNames::Pointer names = SeriesFileNames::New();
// Get the DICOM filenames from the directory
names->SetInputDirectory( argv[1] );
// Create the reader
ImageIOType::Pointer gdcmIO = ImageIOType::New();
ReaderType::Pointer reader = ReaderType::New();
reader->SetImageIO( gdcmIO );
try
{
reader->SetFileNames( names->GetInputFileNames() );
reader->Update();
}
catch (itk::ExceptionObject &excp)
{
std::cerr << "Error reading the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// GetAverage the input images
GetAveragerType::Pointer average = GetAveragerType::New();
average->SetInput( reader->GetOutput() );
average->SetAveragedOutDimension( 2 );
try
{
average->Update();
}
catch ( itk::ExceptionObject &excp)
{
std::cerr << "Error running the average filter" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
average->GetOutput()->Print(std::cout);
average->Print( std::cout );
try
{
WriterType::Pointer writer = WriterType::New();
writer->SetFileName ( argv[2] );
writer->SetInput(average->GetOutput());
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error writing the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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