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/*
* Copyright (C) 1999-2011 Insight Software Consortium
* 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.
*/
/* Example usage:
./example Input/QB_Toulouse_Ortho_PAN.tif \
Input/QB_Toulouse_Ortho_XS.tif \
Output/QB_Toulouse_Ortho_PXS.tif \
Output/pretty_QB_Toulouse_Ortho_PXS.png \
Output/pretty_QB_Toulouse_Ortho_PAN.png \
Output/pretty_QB_Toulouse_Ortho_XS.png
*/
// Here we are illustrating the use of the
// \doxygen{otb}{SimpleRcsPanSharpeningFusionImageFilter} for PAN-sharpening.
// This example takes a PAN and the corresponding XS images as input. These
// images are supposed to be registered.
//
// The fusion operation is defined as
//
// \begin{equation}
// \frac{XS}{\mathrm{Filtered}(PAN)} PAN
// \end{equation}
// Figure~\ref{fig:PANSHARP_FILTER} shows the result of applying
// this PAN sharpening filter to a Quickbird image.
// \begin{figure}
// \center
// \includegraphics[width=0.44\textwidth]{pretty_QB_Toulouse_Ortho_PAN.eps}
// \includegraphics[width=0.44\textwidth]{pretty_QB_Toulouse_Ortho_XS.eps}
// \includegraphics[width=0.44\textwidth]{pretty_QB_Toulouse_Ortho_PXS.eps}
// \itkcaption[Pan sharpening]{Result of applying
// the \doxygen{otb}{SimpleRcsPanSharpeningFusionImageFilter} to
// orthorectified Quickbird
// image. From left to right : original PAN image, original XS image and the
// result of the PAN sharpening}
// \label{fig:PANSHARP_FILTER}
// \end{figure}
// We start by including the required header and declaring the main function:
#include "otbVectorImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbSimpleRcsPanSharpeningFusionImageFilter.h"
#include "otbPrintableImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "otbImageToVectorImageCastFilter.h"
int main(int argc, char* argv[])
{
if (argc < 7)
{
std::cerr << "Missing Parameters " << std::endl;
std::cerr << "Usage: " << argv[0];
std::cerr << " inputPanchromatiqueImage inputMultiSpectralImage outputImage outputImagePrinted panchroPrinted msPrinted" << std::endl;
return 1;
}
// We declare the different image type used here as well as the image reader.
// Note that, the reader for the PAN image is templated by an
// \doxygen{otb}{Image} while the XS reader uses an
// \doxygen{otb}{VectorImage}.
using ImageType = otb::Image<double, 2>;
using VectorImageType = otb::VectorImage<double, 2>;
using ReaderType = otb::ImageFileReader<ImageType>;
using ReaderVectorType = otb::ImageFileReader<VectorImageType>;
using VectorIntImageType = otb::VectorImage<unsigned short int, 2>;
ReaderVectorType::Pointer readerXS = ReaderVectorType::New();
ReaderType::Pointer readerPAN = ReaderType::New();
// We pass the filenames to the readers
readerPAN->SetFileName(argv[1]);
readerXS->SetFileName(argv[2]);
// We declare the fusion filter an set its inputs using the readers:
using FusionFilterType = otb::SimpleRcsPanSharpeningFusionImageFilter<ImageType, VectorImageType, VectorIntImageType>;
FusionFilterType::Pointer fusion = FusionFilterType::New();
fusion->SetPanInput(readerPAN->GetOutput());
fusion->SetXsInput(readerXS->GetOutput());
// And finally, we declare the writer and call its \code{Update()} method to
// trigger the full pipeline execution.
using WriterType = otb::ImageFileWriter<VectorIntImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(argv[3]);
writer->SetInput(fusion->GetOutput());
writer->Update();
using PrintableImageType = otb::PrintableImageFilter<VectorIntImageType>;
PrintableImageType::Pointer printable = PrintableImageType::New();
using VectorCharImageType = otb::VectorImage<unsigned char, 2>;
using PNGWriterType = otb::ImageFileWriter<VectorCharImageType>;
PNGWriterType::Pointer pngwriter = PNGWriterType::New();
printable->SetInput(fusion->GetOutput());
printable->SetChannel(3);
printable->SetChannel(2);
printable->SetChannel(1);
pngwriter->SetFileName(argv[4]);
pngwriter->SetInput(printable->GetOutput());
pngwriter->Update();
using PrintableImageType2 = otb::PrintableImageFilter<VectorImageType>;
PrintableImageType2::Pointer printable2 = PrintableImageType2::New();
printable2->SetInput(readerXS->GetOutput());
printable2->SetChannel(3);
printable2->SetChannel(2);
printable2->SetChannel(1);
pngwriter->SetFileName(argv[6]);
pngwriter->SetInput(printable2->GetOutput());
pngwriter->Update();
using VectorCastFilterType = otb::ImageToVectorImageCastFilter<ImageType, VectorImageType>;
VectorCastFilterType::Pointer vectorCastFilter = VectorCastFilterType::New();
PNGWriterType::Pointer pngwriterPan = PNGWriterType::New();
vectorCastFilter->SetInput(readerPAN->GetOutput());
PrintableImageType2::Pointer printable3 = PrintableImageType2::New();
printable3->SetInput(vectorCastFilter->GetOutput());
printable3->SetChannel(1);
printable3->SetChannel(1);
printable3->SetChannel(1);
pngwriterPan->SetFileName(argv[5]);
pngwriterPan->SetInput(printable3->GetOutput());
pngwriterPan->Update();
return EXIT_SUCCESS;
}
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