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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include <iostream>
#include "itkScalarToRGBPixelFunctor.h"
#include "itkUnaryFunctorImageFilter.h"
#include "otbLabelizeConnectedThresholdImageFilter.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
int otbLabelizeConnectedThresholdImageFilter(int itkNotUsed(argc), char * argv[])
{
// Arguments
char* inputImageName = argv[1];
char* outputImageName = argv[2];
typedef unsigned char InputPixelType;
typedef unsigned char OutputPixelType;
typedef itk::RGBPixel<unsigned char> ColorPixelType;
const unsigned int Dimension = 2;
typedef otb::Image<InputPixelType, Dimension> InputImageType;
typedef otb::Image<OutputPixelType, Dimension> OutputImageType;
typedef otb::Image<ColorPixelType, Dimension> RGBImageType;
InputPixelType lowerThreshold((InputPixelType) ::atoi(argv[3]));
InputPixelType upperThreshold((InputPixelType) ::atoi(argv[4]));
InputPixelType deltaLower((InputPixelType) ::atoi(argv[5]));
InputPixelType deltaUpper((InputPixelType) ::atoi(argv[6]));
// Reader
typedef otb::ImageFileReader<InputImageType> ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputImageName);
// Writer
typedef otb::ImageFileWriter<RGBImageType> WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputImageName);
// Labelize filter
typedef otb::LabelizeConnectedThresholdImageFilter<InputImageType, OutputImageType> LabelizeFilterType;
LabelizeFilterType::Pointer filter = LabelizeFilterType::New();
filter->SetLowerThreshold(lowerThreshold);
filter->SetUpperThreshold(upperThreshold);
filter->SetLowerThresholdDelta(deltaLower);
filter->SetUpperThresholdDelta(deltaUpper);
// Label to RGB image
typedef itk::Functor::ScalarToRGBPixelFunctor<OutputPixelType> FunctorType;
typedef itk::UnaryFunctorImageFilter<OutputImageType, RGBImageType, FunctorType> ColorLabelFilterType;
ColorLabelFilterType::Pointer labelToRGB = ColorLabelFilterType::New();
filter->SetInput(reader->GetOutput());
labelToRGB->SetInput(filter->GetOutput());
writer->SetInput(labelToRGB->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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