ITK  5.0.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Filtering/ImageFeature/SegmentBloodVessels/Code.cxx
/*=========================================================================
*
* 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.
*
*=========================================================================*/
int main( int argc, char *argv[] )
{
if( argc < 3 )
{
std::cerr << "Usage: <InputImage> <OutputImage> [Sigma] [Alpha1] [Alpha2]" << std::endl;
return EXIT_FAILURE;
}
const char * inputImage = argv[1];
const char * outputImage = argv[2];
char * sigma = nullptr;
if( argc > 3 )
{
sigma = argv[3];
}
char * alpha1 = nullptr;
if( argc > 4 )
{
alpha1 = argv[4];
}
char * alpha2 = nullptr;
if( argc > 5 )
{
alpha2 = argv[5];
}
constexpr unsigned int Dimension = 3;
using InputPixelType = double;
using OutputPixelType = float;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( inputImage );
HessianFilterType::Pointer hessianFilter = HessianFilterType::New();
hessianFilter->SetInput( reader->GetOutput() );
if( sigma )
{
hessianFilter->SetSigma( atof( sigma ) );
}
VesselnessMeasureFilterType::Pointer vesselnessFilter = VesselnessMeasureFilterType::New();
vesselnessFilter->SetInput( hessianFilter->GetOutput() );
if( alpha1 )
{
vesselnessFilter->SetAlpha1( atof( alpha1 ) );
}
if( alpha2 )
{
vesselnessFilter->SetAlpha2( atof( alpha2 ) );
}
WriterType::Pointer writer = WriterType::New();
writer->SetInput( vesselnessFilter->GetOutput() );
writer->SetFileName( outputImage );
try
{
writer->Update();
}
catch( itk::ExceptionObject & error )
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}