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/*
* Copyright (C) 2005-2020 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 "otbImage.h"
#include "otbEdgeDensityImageFilter.h"
#include "otbBinaryImageDensityFunction.h"
#include "itkCannyEdgeDetectionImageFilter.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
int otbEdgeDensityImageFilter(int itkNotUsed(argc), char* argv[])
{
const char* infname = argv[1];
const char* outfname = argv[2];
const unsigned int radius = atoi(argv[3]);
/** Variables for the canny detector*/
const double upperThreshold = atof(argv[4]);
const double lowerThreshold = atof(argv[5]);
const double variance = atof(argv[6]);
const double maximumError = atof(argv[7]);
/*--*/
const unsigned int Dimension = 2;
typedef float PixelType;
typedef otb::Image<PixelType, Dimension> ImageType;
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ImageFileWriter<ImageType> WriterType;
typedef otb::BinaryImageDensityFunction<ImageType> CountFunctionType;
typedef itk::CannyEdgeDetectionImageFilter<ImageType, ImageType> CannyDetectorType;
typedef otb::EdgeDensityImageFilter<ImageType, ImageType, CannyDetectorType, CountFunctionType> EdgeDensityFilterType;
/**Instantiation of an object*/
EdgeDensityFilterType::Pointer filter = EdgeDensityFilterType::New();
ReaderType::Pointer reader = ReaderType::New();
CannyDetectorType::Pointer CannyFilter = CannyDetectorType::New();
/** Set The input*/
reader->SetFileName(infname);
filter->SetInput(reader->GetOutput());
/** Update the Canny Filter Information*/
CannyFilter->SetUpperThreshold(static_cast<ImageType::PixelType>(upperThreshold)); /** 30*/
CannyFilter->SetLowerThreshold(static_cast<ImageType::PixelType>(lowerThreshold)); /** 10*/
CannyFilter->SetVariance(variance); // 1.
CannyFilter->SetMaximumError(maximumError); /// 0.01f
filter->SetDetector(CannyFilter);
filter->SetNeighborhoodRadius(radius);
/** Write the output*/
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outfname);
writer->SetInput(filter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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