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/*
* Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 <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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