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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 "itkImageFileReader.h"
#include "itkLabelOverlapMeasuresImageFilter.h"
#include "itkTestingMacros.h"
#include <iomanip>
template <unsigned int VImageDimension>
int LabelOverlapMeasures( int , char * argv[] )
{
typedef unsigned int PixelType;
typedef itk::Image<PixelType, VImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer reader1 = ReaderType::New();
reader1->SetFileName( argv[2] );
typename ReaderType::Pointer reader2 = ReaderType::New();
reader2->SetFileName( argv[3] );
typedef itk::LabelOverlapMeasuresImageFilter<ImageType> FilterType;
typename FilterType::Pointer filter = FilterType::New();
filter->SetSourceImage( reader1->GetOutput() );
filter->SetTargetImage( reader2->GetOutput() );
filter->Update();
std::cout << "All Labels" << std::endl;
std::cout << std::setw( 10 ) << " "
<< std::setw( 17 ) << "Total"
<< std::setw( 17 ) << "Union (jaccard)"
<< std::setw( 17 ) << "Mean (dice)"
<< std::setw( 17 ) << "Volume sim."
<< std::setw( 17 ) << "False negative"
<< std::setw( 17 ) << "False positive" << std::endl;
std::cout << std::setw( 10 ) << " ";
std::cout << std::setw( 17 ) << filter->GetTotalOverlap();
std::cout << std::setw( 17 ) << filter->GetUnionOverlap();
std::cout << std::setw( 17 ) << filter->GetMeanOverlap();
std::cout << std::setw( 17 ) << filter->GetVolumeSimilarity();
std::cout << std::setw( 17 ) << filter->GetFalseNegativeError();
std::cout << std::setw( 17 ) << filter->GetFalsePositiveError();
std::cout << std::endl;
std::cout << "Individual Labels" << std::endl;
std::cout << std::setw( 10 ) << "Label"
<< std::setw( 17 ) << "Target"
<< std::setw( 17 ) << "Union (jaccard)"
<< std::setw( 17 ) << "Mean (dice)"
<< std::setw( 17 ) << "Volume sim."
<< std::setw( 17 ) << "False negative"
<< std::setw( 17 ) << "False positive" << std::endl;
typename FilterType::MapType labelMap = filter->GetLabelSetMeasures();
typename FilterType::MapType::const_iterator it;
int label = 0;
for( it = labelMap.begin(); it != labelMap.end(); ++it )
{
if( (*it).first == 0 )
{
continue;
}
label = (*it).first;
std::cout << std::setw( 10 ) << label;
std::cout << std::setw( 17 ) << filter->GetTargetOverlap( label );
std::cout << std::setw( 17 ) << filter->GetUnionOverlap( label );
std::cout << std::setw( 17 ) << filter->GetMeanOverlap( label );
std::cout << std::setw( 17 ) << filter->GetVolumeSimilarity( label );
std::cout << std::setw( 17 ) << filter->GetFalseNegativeError( label );
std::cout << std::setw( 17 ) << filter->GetFalsePositiveError( label );
std::cout << std::endl;
}
// Check results when a non-existing label's metrics are queried
//
// Assume that no such label exists
label = itk::NumericTraits< PixelType >::max();
typename FilterType::RealType expectedValue = 0.0;
typename FilterType::RealType result = filter->GetTargetOverlap( label );
if( itk::Math::NotAlmostEquals( expectedValue, result ) )
{
std::cout << "Error in label "
<< static_cast< itk::NumericTraits< PixelType >::PrintType >( label ) << ": ";
std::cout << "Expected target overlap: " << expectedValue << ", but got "
<< result << std::endl;
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
result = filter->GetUnionOverlap( label );
if( itk::Math::NotAlmostEquals( expectedValue, result ) )
{
std::cout << "Error in label "
<< static_cast< itk::NumericTraits< PixelType >::PrintType >( label ) << ": ";
std::cout << "Expected union overlap: " << expectedValue << ", but got "
<< result << std::endl;
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
result = filter->GetVolumeSimilarity( label );
if( itk::Math::NotAlmostEquals( expectedValue, result ) )
{
std::cout << "Error in label "
<< static_cast< itk::NumericTraits< PixelType >::PrintType >( label ) << ": ";
std::cout << "Expected volume similarity: " << expectedValue << ", but got "
<< result << std::endl;
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
result = filter->GetFalseNegativeError( label );
if( itk::Math::NotAlmostEquals( expectedValue, result ) )
{
std::cout << "Error in label "
<< static_cast< itk::NumericTraits< PixelType >::PrintType >( label ) << ": ";
std::cout << "Expected false negative error: " << expectedValue << ", but got "
<< result << std::endl;
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
result = filter->GetFalsePositiveError( label );
if( itk::Math::NotAlmostEquals( expectedValue, result ) )
{
std::cout << "Error in label "
<< static_cast< itk::NumericTraits< PixelType >::PrintType >( label ) << ": ";
std::cout << "Expected false positive error: " << expectedValue << ", but got "
<< result << std::endl;
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
int itkLabelOverlapMeasuresImageFilterTest( int argc, char *argv[] )
{
if( argc < 4 )
{
std::cerr << "Usage: " << argv[0] << " imageDimension sourceImage "
<< "targetImage" << std::endl;
return EXIT_FAILURE;
}
// Instantiate the filter
const unsigned int ImageDimension = 3;
typedef unsigned int PixelType;
typedef itk::Image< PixelType, ImageDimension > ImageType;
typedef itk::LabelOverlapMeasuresImageFilter< ImageType >
LabelOverlapMeasuresImageFilterType;
LabelOverlapMeasuresImageFilterType::Pointer labelOverlapMeasuresImageFilter =
LabelOverlapMeasuresImageFilterType::New();
// Exercise basic object methods
// Done outside the helper function in the test because GCC is limited
// when calling overloaded base class functions.
EXERCISE_BASIC_OBJECT_METHODS( labelOverlapMeasuresImageFilter,
LabelOverlapMeasuresImageFilter, ImageToImageFilter );
switch( atoi( argv[1] ) )
{
case 2:
LabelOverlapMeasures<2>( argc, argv );
break;
case 3:
LabelOverlapMeasures<3>( argc, argv );
break;
default:
std::cerr << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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