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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 "itkRegionalMaximaImageFilter.h"
#include "itkHConvexImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkSimpleFilterWatcher.h"
int itkRegionalMaximaImageFilterTest2(int argc, char * argv[])
{
const int dim = 2;
if( argc < 6 )
{
std::cerr << "Missing Parameters " << std::endl;
std::cerr << "Usage: " << argv[0];
std::cerr << " Connection FlatIsMaxima InputImage OutputImageFile "
<< " OutputImageFile2 "
<< std::endl;
return EXIT_FAILURE;
}
typedef unsigned char PixelType;
typedef itk::Image< PixelType, dim > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[3] );
typedef itk::RegionalMaximaImageFilter< ImageType, ImageType > FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput( reader->GetOutput() );
filter->SetFullyConnected( atoi(argv[1]) );
filter->SetFlatIsMaxima( atoi(argv[2]) );
itk::SimpleFilterWatcher watcher(filter, "filter");
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( argv[4] );
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[5] );
writer2->Update();
return 0;
}
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