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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkRegionalMaximaImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2007-01-23 22:55:18 $
Version: $Revision: 1.6 $
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.
=========================================================================*/
// a test routine for regional extrema using flooding
#include "itkRegionalMaximaImageFilter.h"
#include "itkHConvexImageFilter.h"
#include "itkMaximumImageFilter.h"
#include "itkInvertIntensityImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkCommand.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkAndImageFilter.h"
#include "itkCommand.h"
#include "itkSimpleFilterWatcher.h"
int itkRegionalMaximaImageFilterTest(int argc, char * argv[])
{
if( argc < 5 )
{
std::cerr << "Missing Parameters " << std::endl;
std::cerr << "Usage: " << argv[0];
std::cerr << " Connection InputImage OutputImageFile "
<< "OutputImageFile2" << std::endl;
return EXIT_FAILURE;
}
const int dim = 3;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, dim > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[2] );
typedef itk::RegionalMaximaImageFilter< ImageType, ImageType > FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput( reader->GetOutput() );
// exercise Set/Get Fully connected methods for
// testing purpose
filter->SetFullyConnected ( true );
if( filter->GetFullyConnected() != true )
{
std::cerr << "Set/Get FullyConnected error" << std::endl;
return EXIT_FAILURE;
}
filter->FullyConnectedOn();
if( filter->GetFullyConnected() != true )
{
std::cerr << "Set/Get FullyConnected error" << std::endl;
return EXIT_FAILURE;
}
filter->FullyConnectedOff();
if( filter->GetFullyConnected() != false )
{
std::cerr << "Set/Get FullyConnected error" << std::endl;
return EXIT_FAILURE;
}
// exercise Set/Get FlatIsMaxima flag for
// testing purpose
filter->SetFlatIsMaxima ( true );
if( filter->GetFlatIsMaxima() != true )
{
std::cerr << "Set/Get FlatIsMaxima error" << std::endl;
return EXIT_FAILURE;
}
filter->FlatIsMaximaOn();
if( filter->GetFlatIsMaxima() != true )
{
std::cerr << "Set/Get FlatIsMaxima error" << std::endl;
return EXIT_FAILURE;
}
filter->FlatIsMaximaOff();
if( filter->GetFlatIsMaxima() != false )
{
std::cerr << "Set/Get FlatIsMaxima error" << std::endl;
return EXIT_FAILURE;
}
filter->SetForegroundValue( 255 );
if( filter->GetForegroundValue() != 255 )
{
std::cerr << "Set/Get ForegroundValue error" << std::endl;
return EXIT_FAILURE;
}
filter->SetBackgroundValue( 0 );
if( filter->GetBackgroundValue() != 0 )
{
std::cerr << "Set/Get BackgroundValue error" << std::endl;
return EXIT_FAILURE;
}
filter->SetForegroundValue( itk::NumericTraits< PixelType>::max() );
filter->SetBackgroundValue( itk::NumericTraits< PixelType>::NonpositiveMin());
filter->SetFullyConnected( atoi(argv[1]) );
itk::SimpleFilterWatcher watcher(filter, "filter");
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( argv[3] );
writer->Update();
// produce the same output with other filters
typedef itk::HConvexImageFilter< ImageType, ImageType > ConvexType;
ConvexType::Pointer convex = ConvexType::New();
convex->SetInput( reader->GetOutput() );
convex->SetFullyConnected( atoi(argv[1]) );
convex->SetHeight( 1 );
// convex gives maxima with value=1 and others with value=0
// rescale the image so we have maxima=255 other=0
typedef itk::RescaleIntensityImageFilter< ImageType, ImageType > RescaleType;
RescaleType::Pointer rescale = RescaleType::New();
rescale->SetInput( convex->GetOutput() );
rescale->SetOutputMaximum( 255 );
rescale->SetOutputMinimum( 0 );
WriterType::Pointer writer2 = WriterType::New();
writer2->SetInput( rescale->GetOutput() );
writer2->SetFileName( argv[4] );
writer2->Update();
return 0;
}
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