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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 "itkRandomImageSource.h"
#include "itkMedianImageFilter.h"
#include "itkTextOutput.h"
int itkMedianImageFilterTest(int, char* [] )
{
// Comment the following if you want to use the itk text output window
itk::OutputWindow::SetInstance(itk::TextOutput::New());
typedef itk::Image<float,2> FloatImage2DType;
itk::RandomImageSource<FloatImage2DType>::Pointer random;
random = itk::RandomImageSource<FloatImage2DType>::New();
random->SetMin(0.0);
random->SetMax(1000.0);
FloatImage2DType::SizeValueType randomSize[2];
randomSize[0] = randomSize[1] = 8;
random->SetSize(randomSize);
FloatImage2DType::SpacingValueType spacing[2] = {0.7, 2.1};
random->SetSpacing( spacing );
FloatImage2DType::PointValueType origin[2] = {15, 400};
random->SetOrigin( origin );
// Create a median image
itk::MedianImageFilter<FloatImage2DType, FloatImage2DType>::Pointer median;
median = itk::MedianImageFilter<FloatImage2DType,FloatImage2DType>::New();
median->SetInput(random->GetOutput());
// define the neighborhood size used for the median filter (5x5)
FloatImage2DType::SizeType neighRadius;
neighRadius[0] = 1;
neighRadius[1] = 1;
median->SetRadius(neighRadius);
// run the algorithm
median->Update();
itk::ImageRegionIterator<FloatImage2DType> it;
it = itk::ImageRegionIterator<FloatImage2DType>(random->GetOutput(),
random->GetOutput()->GetBufferedRegion());
std::cout << "Input image" << std::endl;
unsigned int i;
for (i=1; !it.IsAtEnd(); ++i, ++it)
{
std::cout << "\t" << it.Get();
if ((i % 8) == 0)
{
std::cout << std::endl;
}
}
std::cout << "Output image" << std::endl;
it = itk::ImageRegionIterator<FloatImage2DType>(median->GetOutput(),
median->GetOutput()->GetBufferedRegion());
for (i=1; !it.IsAtEnd(); ++i, ++it)
{
std::cout << "\t" << it.Get();
if ((i % 8) == 0)
{
std::cout << std::endl;
}
}
// Test the itkGetConstReferenceMacro
const FloatImage2DType::SizeType & radius = median->GetRadius();
std::cout << "median->GetRadius():" << radius << std::endl;
return EXIT_SUCCESS;
}
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