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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 "itkMaskedImageToHistogramFilter.h"
#include "itkHistogramToLogProbabilityImageFilter.h"
#include "itkImage.h"
#include "itkRGBPixel.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkComposeImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkSimpleFilterWatcher.h"
int itkMaskedImageToHistogramFilterTest1( int argc, char * argv [] )
{
if( argc < 6 )
{
std::cerr << "Missing command line arguments" << std::endl;
std::cerr << "Usage : " << argv[0] << " inputImageFileName inputImageFileName maskImage maskValue outputHistogramFile" << std::endl;
return EXIT_FAILURE;
}
typedef unsigned char PixelComponentType;
const unsigned int Dimension = 3;
typedef itk::Vector< PixelComponentType, 2 > VectorPixelType;
typedef itk::Image< unsigned char, Dimension > ImageType;
typedef itk::Image< VectorPixelType, Dimension > VectorImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
ReaderType::Pointer reader2 = ReaderType::New();
reader2->SetFileName( argv[2] );
ReaderType::Pointer reader3 = ReaderType::New();
reader3->SetFileName( argv[3] );
typedef itk::ComposeImageFilter< ImageType, VectorImageType > ComposeType;
ComposeType::Pointer compose = ComposeType::New();
compose->SetInput1(reader->GetOutput());
compose->SetInput2(reader2->GetOutput());
typedef itk::Statistics::MaskedImageToHistogramFilter< VectorImageType, ImageType > HistogramFilterType;
HistogramFilterType::Pointer histogramFilter = HistogramFilterType::New();
histogramFilter->SetInput( compose->GetOutput() );
histogramFilter->SetMaskImage( reader3->GetOutput() );
histogramFilter->SetMaskValue( atoi(argv[4]) );
itk::SimpleFilterWatcher watcher(histogramFilter, "filter");
typedef HistogramFilterType::HistogramType HistogramType;
typedef HistogramFilterType::HistogramSizeType SizeType;
// // Setting bin mins and max
// typedef HistogramFilterType::HistogramMeasurementVectorType HistogramMeasurementVectorType;
// HistogramMeasurementVectorType histogramBinMinimum( 2 );
// histogramBinMinimum[0] = 0;
// histogramBinMinimum[1] = 0;
// HistogramMeasurementVectorType histogramBinMaximum( 2 );
// histogramBinMaximum[0] = 256;
// histogramBinMaximum[1] = 256;
// histogramFilter->SetHistogramBinMinimum( histogramBinMinimum );
// histogramFilter->SetHistogramBinMaximum( histogramBinMaximum );
// histogramFilter->SetAutoMinimumMaximum( false );
// SizeType size( 2 );
// size.Fill(256);
// histogramFilter->SetHistogramSize( size );
// TODO: this Update() shouldn't be needed - remove it.
try
{
histogramFilter->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// use a 3D image to check the behavior of HistogramToImageFilter when the image
// is of greater dimension than the histogram
typedef itk::Image< float, 3 > FloatImageType;
typedef itk::HistogramToLogProbabilityImageFilter< HistogramType, FloatImageType > ImageFilterType;
ImageFilterType::Pointer imageFilter = ImageFilterType::New();
imageFilter->SetInput( histogramFilter->GetOutput() );
typedef itk::RescaleIntensityImageFilter< FloatImageType, ImageType > RescaleType;
RescaleType::Pointer rescale = RescaleType::New();
rescale->SetInput( imageFilter->GetOutput() );
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( rescale->GetOutput() );
writer->SetFileName( argv[5] );
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// print the image produced by HistogramToLogProbabilityImageFilter for visual inspection
imageFilter->GetOutput()->Print(std::cout);
return EXIT_SUCCESS;
}
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