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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 "itkMacro.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbMeanShiftSmoothingImageFilter.h"
#include "otbLabelImageRegionMergingFilter.h"
int otbLabelImageRegionMergingFilter(int argc, char* argv[])
{
if (argc != 10)
{
std::cerr << "Usage: " << argv[0]
<< " infname spectralfname labelfname labelmergedfname clusteredfname spatialBandwidth rangeBandwidth threshold maxiterationnumber" << std::endl;
return EXIT_FAILURE;
}
const char* infname = argv[1];
const char* spectralfname = argv[2];
const char* labelfname = argv[3];
const char* labelmergedfname = argv[4];
const char* clusteredfname = argv[5];
const double spatialBandwidth = atof(argv[6]);
const double rangeBandwidth = atof(argv[7]);
const double threshold = atof(argv[8]);
const unsigned int maxiterationnumber = atoi(argv[9]);
/* maxit - threshold */
const unsigned int Dimension = 2;
typedef float PixelType;
typedef otb::VectorImage<PixelType, Dimension> ImageType;
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ImageFileWriter<ImageType> WriterType;
typedef otb::MeanShiftSmoothingImageFilter<ImageType, ImageType> FilterType;
typedef FilterType::OutputLabelImageType LabelImageType;
typedef otb::ImageFileWriter<LabelImageType> LabelWriterType;
typedef otb::LabelImageRegionMergingFilter<LabelImageType, ImageType> MergeFilterType;
// Instantiating object
FilterType::Pointer filter = FilterType::New();
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(infname);
// Set filter parameters
filter->SetSpatialBandwidth(spatialBandwidth);
filter->SetRangeBandwidth(rangeBandwidth);
filter->SetThreshold(threshold);
filter->SetMaxIterationNumber(maxiterationnumber);
filter->SetInput(reader->GetOutput());
// filter->SetNumberOfThreads(1);
WriterType::Pointer writer2 = WriterType::New();
LabelWriterType::Pointer writer5 = LabelWriterType::New();
writer2->SetFileName(spectralfname);
writer5->SetFileName(labelfname);
writer2->SetInput(filter->GetRangeOutput());
writer5->SetInput(filter->GetLabelOutput());
MergeFilterType::Pointer mergeFilter = MergeFilterType::New();
mergeFilter->SetInputLabelImage(filter->GetLabelOutput());
mergeFilter->SetInputSpectralImage(filter->GetRangeOutput());
mergeFilter->SetRangeBandwidth(rangeBandwidth);
LabelWriterType::Pointer mergeWriter = LabelWriterType::New();
mergeWriter->SetFileName(labelmergedfname);
mergeWriter->SetInput(mergeFilter->GetOutput());
WriterType::Pointer clusteredWriter = WriterType::New();
clusteredWriter->SetFileName(clusteredfname);
clusteredWriter->SetInput(mergeFilter->GetClusteredOutput());
writer2->Update();
writer5->Update();
mergeWriter->Update();
clusteredWriter->Update();
return EXIT_SUCCESS;
}
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