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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkOpeningByReconstructionImageFilterTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkOpeningByReconstructionImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImage.h"
#include "itkBinaryBallStructuringElement.h"
#include "itkSubtractImageFilter.h"
#include "itkSimpleFilterWatcher.h"
int itkOpeningByReconstructionImageFilterTest(int argc, char* argv [] )
{
if ( argc < 5 )
{
std::cerr << "Missing arguments" << std::endl;
std::cerr << "Usage: " << argv[0] << " Inputimage OutputImage Radius PreserveIntensities(0,1) [Diffmage]" << std::endl;
return EXIT_FAILURE;
}
const int Dimension = 2;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, Dimension > InputImageType;
typedef itk::Image< PixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
// Declare the type of the Structuring element to be used
typedef itk::BinaryBallStructuringElement<
PixelType,
Dimension> StructuringElementType;
// Declare the type for the Morphology Filters to be Tested
typedef itk::OpeningByReconstructionImageFilter<
InputImageType,
OutputImageType,
StructuringElementType > MorphologicalFilterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
// Create the reader and writer
reader->SetFileName( argv[1] );
writer->SetFileName( argv[2] );
// Create the filter
MorphologicalFilterType::Pointer filter = MorphologicalFilterType::New();
itk::SimpleFilterWatcher watcher(filter, "Opening"); watcher.QuietOn();
StructuringElementType structuringElement;
structuringElement.SetRadius(atoi(argv[3]));
structuringElement.CreateStructuringElement();
filter->SetKernel( structuringElement );
if (atoi(argv[4]) == 0)
{
filter->PreserveIntensitiesOff();
}
else
{
filter->PreserveIntensitiesOn();
}
// Connect the pipelines
filter->SetInput ( reader-> GetOutput() );
writer->SetInput ( filter-> GetOutput() );
// Execute print
filter->Print( std::cout );
// Execute the filter
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught:" << excp << std::endl;
return EXIT_FAILURE;
}
// Create a difference image if one is requested
if (argc == 6)
{
itk::SubtractImageFilter<InputImageType, OutputImageType, OutputImageType>::Pointer subtract = itk::SubtractImageFilter<InputImageType, OutputImageType, OutputImageType>::New();
subtract->SetInput( 0, reader->GetOutput() );
subtract->SetInput( 1, filter->GetOutput() );
try
{
writer->SetFileName( argv[5] );
writer->SetInput( subtract->GetOutput() );
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught writing diff image:" << excp << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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