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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 "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkStdStreamLogOutput.h"
#include "itkPatchBasedDenoisingImageFilter.h"
template <typename ImageT>
int doDenoising(const std::string & inputFileName, const std::string & outputFileName)
{
typedef itk::ImageFileReader< ImageT > ReaderType;
typedef itk::PatchBasedDenoisingImageFilter<ImageT, ImageT> FilterType;
typedef typename FilterType::OutputImageType OutputImageType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
// read the noisy image to be denoised
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( inputFileName );
try
{
reader->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Problem encountered while reading image file : " << inputFileName << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// create filter and initialize
// give image to filter and run it
// get filter output and write to file
typename FilterType::Pointer filter = FilterType::New();
filter->SetInput(reader->GetOutput());
// use 2 threads for consistency
filter->SetNumberOfThreads(2);
// denoise the image
try
{
filter->Update();
}
catch (itk::ExceptionObject & excp)
{
std::ostringstream itkmsg; \
itkmsg << "Error: In " __FILE__ ", line " << __LINE__ << "\n"
<< "Caught exception <" << excp
<< "> while running patch-based denoising image filter."
<< "\n\n";
::itk::OutputWindowDisplayWarningText(itkmsg.str().c_str());
return EXIT_FAILURE;
}
// write the denoised image to file
typename WriterType::Pointer writer = WriterType::New();
writer->SetFileName( outputFileName );
writer->SetInput( filter->GetOutput() );
std::cout << "Writing NumberOfComponents: "
<< filter->GetOutput()->GetNumberOfComponentsPerPixel()
<< " to file." << std::endl;
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
int itkPatchBasedDenoisingImageFilterDefaultTest( int argc, char * argv [] )
{
if( argc < 3 )
{
std::cerr << "Missing command line arguments" << std::endl;
std::cerr << "Usage : " << argv[0]
<< " inputImageFileName outputImageFileName"
<< " numDimensions"
<< std::endl;
return EXIT_FAILURE;
}
const std::string inFileName(argv[1]);
const std::string outFileName(argv[2]);
const unsigned int numDimensions = atoi(argv[3]);
typedef float PixelComponentType;
//
typedef PixelComponentType OneComponentType;
//
typedef itk::Image< OneComponentType, 2 > OneComponent2DImage;
typedef itk::Image< OneComponentType, 3 > OneComponent3DImage;
//
if (numDimensions == 2)
{
return doDenoising<OneComponent2DImage>(inFileName, outFileName);
}
//
else if (numDimensions == 3)
{
return doDenoising<OneComponent3DImage>(inFileName, outFileName);
}
else
{
std::cout << numDimensions << " dimensions "
<< "isn't supported in this test driver."
<< std::endl;
return EXIT_FAILURE;
}
// shouldn't reach this point, return failure here to keep the compiler happy
return EXIT_FAILURE;
}
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