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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 "itkShanbhagThresholdImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkFilterWatcher.h"
#include "itkTestingMacros.h"
int itkShanbhagThresholdImageFilterTest(int argc, char* argv[] )
{
if( argc < 3 )
{
std::cerr << "Usage: " << argv[0];
std::cerr << " inputImageFile outputImageFile";
std::cerr << std::endl;
return EXIT_FAILURE;
}
typedef short InputPixelType;
typedef unsigned char OutputPixelType;
typedef itk::Image< InputPixelType, 2 > InputImageType;
typedef itk::Image< OutputPixelType, 2 > OutputImageType;
typedef itk::ShanbhagThresholdImageFilter<
InputImageType, OutputImageType > FilterType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
FilterType::Pointer filter = FilterType::New();
WriterType::Pointer writer = WriterType::New();
FilterWatcher watcher(filter);
filter->SetInsideValue( 255 );
TEST_SET_GET_VALUE( 255, filter->GetInsideValue() );
filter->SetOutsideValue( 0 );
TEST_SET_GET_VALUE( 0, filter->GetOutsideValue() );
reader->SetFileName( argv[1] );
filter->SetInput( reader->GetOutput() );
// filter->SetNumberOfHistogramBins (atoi(argv[3]));
writer->SetInput( filter->GetOutput() );
filter->Update();
std::cout << "Computed Threshold is: "
<< itk::NumericTraits<FilterType::InputPixelType>::PrintType(filter->GetThreshold())
<< std::endl;
writer->SetFileName( argv[2] );
writer->Update();
return EXIT_SUCCESS;
}
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