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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkAdditiveGaussianNoiseImageFilter.h"
#include "itkTestingMacros.h"
int itkAdditiveGaussianNoiseImageFilterTest(int argc, char * argv[])
{
if( argc < 3 )
{
std::cerr << "usage: " << argv[0] << " input output [std_dev [mean]]" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, Dimension > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
typedef itk::AdditiveGaussianNoiseImageFilter< ImageType, ImageType >
AdditiveGaussianNoiseFilterType;
AdditiveGaussianNoiseFilterType::Pointer additiveGaussianNoiseFilter =
AdditiveGaussianNoiseFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( additiveGaussianNoiseFilter, AdditiveGaussianNoiseImageFilter,
NoiseBaseImageFilter );
double stdDev = 1.0;
if( argc >= 4 )
{
stdDev = atof( argv[3] );
}
additiveGaussianNoiseFilter->SetStandardDeviation( stdDev );
TEST_SET_GET_VALUE( stdDev, additiveGaussianNoiseFilter->GetStandardDeviation() );
double mean = 0.0;
if( argc >= 5 )
{
mean = atof( argv[4] );
}
additiveGaussianNoiseFilter->SetMean( mean );
TEST_SET_GET_VALUE( mean, additiveGaussianNoiseFilter->GetMean() );
additiveGaussianNoiseFilter->SetInput( reader->GetOutput() );
itk::SimpleFilterWatcher watcher( additiveGaussianNoiseFilter, "AdditiveGaussianNoiseImageFilter" );
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( additiveGaussianNoiseFilter->GetOutput() );
writer->SetFileName( argv[2] );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
return EXIT_SUCCESS;
}
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