void Mask::FindBoundary(UnsignedCharScalarImageType* boundaryImage) const
{
// Compute the "outer" boundary of the region to fill. That is, we want the boundary pixels to be in the source region.
//HelpersOutput::WriteImageConditional<Mask>(this->CurrentMask, "Debug/FindBoundary.CurrentMask.mha", this->DebugImages);
//HelpersOutput::WriteImageConditional<Mask>(this->CurrentMask, "Debug/FindBoundary.CurrentMask.png", this->DebugImages);
// Create a binary image (throw away the "dont use" pixels)
Mask::Pointer holeOnly = Mask::New();
holeOnly->DeepCopyFrom(this);
itk::ImageRegionIterator<Mask> maskIterator(holeOnly, holeOnly->GetLargestPossibleRegion());
// This should result in a white hole on a black background
while(!maskIterator.IsAtEnd())
{
itk::Index<2> currentPixel = maskIterator.GetIndex();
if(!holeOnly->IsHole(currentPixel))
{
holeOnly->SetPixel(currentPixel, holeOnly->GetValidValue());
}
++maskIterator;
}
//HelpersOutput::WriteImageConditional<Mask>(holeOnly, "Debug/FindBoundary.HoleOnly.mha", this->DebugImages);
//HelpersOutput::WriteImageConditional<Mask>(holeOnly, "Debug/FindBoundary.HoleOnly.png", this->DebugImages);
// Since the hole is white, we want the foreground value of the contour filter to be black. This means that the boundary will
// be detected in the black pixel region, which is on the outside edge of the hole like we want. However,
// The BinaryContourImageFilter will change all non-boundary pixels to the background color, so the resulting output will be inverted -
// the boundary pixels will be black and the non-boundary pixels will be white.
// Find the boundary
typedef itk::BinaryContourImageFilter <Mask, Mask> binaryContourImageFilterType;
binaryContourImageFilterType::Pointer binaryContourFilter = binaryContourImageFilterType::New();
binaryContourFilter->SetInput(holeOnly);
binaryContourFilter->SetFullyConnected(true);
binaryContourFilter->SetForegroundValue(holeOnly->GetValidValue());
binaryContourFilter->SetBackgroundValue(holeOnly->GetHoleValue());
binaryContourFilter->Update();
//HelpersOutput::WriteImageConditional<Mask>(binaryContourFilter->GetOutput(), "Debug/FindBoundary.Boundary.mha", this->DebugImages);
//HelpersOutput::WriteImageConditional<Mask>(binaryContourFilter->GetOutput(), "Debug/FindBoundary.Boundary.png", this->DebugImages);
// Since we want to interpret non-zero pixels as boundary pixels, we must invert the image.
typedef itk::InvertIntensityImageFilter <Mask> InvertIntensityImageFilterType;
InvertIntensityImageFilterType::Pointer invertIntensityFilter = InvertIntensityImageFilterType::New();
invertIntensityFilter->SetInput(binaryContourFilter->GetOutput());
invertIntensityFilter->SetMaximum(255);
invertIntensityFilter->Update();
//this->BoundaryImage = binaryContourFilter->GetOutput();
//this->BoundaryImage->Graft(binaryContourFilter->GetOutput());
ITKHelpers::DeepCopy<UnsignedCharScalarImageType>(invertIntensityFilter->GetOutput(), boundaryImage);
//HelpersOutput::WriteImageConditional<UnsignedCharScalarImageType>(this->BoundaryImage, "Debug/FindBoundary.BoundaryImage.mha", this->DebugImages);
}
int main(int argc, char *argv[])
{
// Verify arguments
if(argc != 5)
{
std::cerr << "Required arguments: image imageMask patchRadius outputPrefix" << std::endl;
return EXIT_FAILURE;
}
// Parse arguments
std::string imageFilename = argv[1];
std::string maskFilename = argv[2];
std::stringstream ssPatchRadius;
ssPatchRadius << argv[3];
int patchRadius = 0;
ssPatchRadius >> patchRadius;
std::string outputPrefix = argv[4];
// Output arguments
std::cout << "Reading image: " << imageFilename << std::endl;
std::cout << "Reading mask: " << maskFilename << std::endl;
std::cout << "Patch radius: " << patchRadius << std::endl;
//std::cout << "Output: " << outputFilename << std::endl;
typedef itk::ImageFileReader< FloatVectorImageType > ImageReaderType;
ImageReaderType::Pointer imageReader = ImageReaderType::New();
imageReader->SetFileName(imageFilename.c_str());
imageReader->Update();
FloatVectorImageType::Pointer scaledImage = FloatVectorImageType::New();
// Initialize
Helpers::DeepCopy<FloatVectorImageType>(imageReader->GetOutput(), scaledImage);
std::vector<float> maxValues = Helpers::MaxValuesVectorImage<float>(imageReader->GetOutput());
// Scale all channels the same
// for(unsigned int channel = 0; channel < imageReader->GetOutput()->GetNumberOfComponentsPerPixel(); ++channel)
// {
// Helpers::ScaleChannel<float>(imageReader->GetOutput(), channel, 1.0f, scaledImage);
// }
// Scale color channels
for(unsigned int channel = 0; channel < 3; ++channel)
{
Helpers::ScaleChannel<float>(scaledImage, channel, 0.33f, scaledImage);
}
// Scale depth channel
Helpers::ScaleChannel<float>(scaledImage, 3, 1.0f, scaledImage);
Helpers::WriteImage<FloatVectorImageType>(scaledImage, "scaled.mha");
typedef itk::ImageFileReader< Mask > MaskReaderType;
MaskReaderType::Pointer maskReader = MaskReaderType::New();
maskReader->SetFileName(maskFilename.c_str());
maskReader->Update();
Mask::Pointer finalMask = Mask::New();
ModifyMask(maskReader->GetOutput(), patchRadius, finalMask);
cout.setf(ios::showpoint);
std::vector<float> lambdas;
for(unsigned int i = 0; i <= 10; ++i)
{
lambdas.push_back(0.1f * static_cast<float>(i));
std::cout << "Using lambda " << lambdas[i] << std::endl;
}
std::shared_ptr<SelfPatchCompare> patchCompare(new SelfPatchCompare);
patchCompare->SetNumberOfComponentsPerPixel(imageReader->GetOutput()->GetNumberOfComponentsPerPixel());
//patchCompare->FunctionsToCompute.push_back(boost::bind(&SelfPatchCompare::SetPatchAverageAbsoluteSourceDifference,patchCompare,_1));
patchCompare->FunctionsToCompute.push_back(boost::bind(&SelfPatchCompare::SetPatchColorDifference,patchCompare,_1));
patchCompare->FunctionsToCompute.push_back(boost::bind(&SelfPatchCompare::SetPatchDepthDifference,patchCompare,_1));
std::ofstream fout("scores.txt");
fout.setf(ios::showpoint);
for(unsigned int lambdaId = 0; lambdaId < lambdas.size(); ++lambdaId)
{
// Inpaint
std::cout << "Inpainting with lambda = " << lambdas[lambdaId] << std::endl;
PatchPair::DepthColorLambda = lambdas[lambdaId];
CriminisiInpainting inpainting;
//inpainting.SetDebugFunctionEnterLeave(true);
inpainting.SetPatchRadius(patchRadius);
inpainting.SetImage(scaledImage);
inpainting.SetMask(finalMask);
inpainting.SetMaxForwardLookPatches(3);
inpainting.SetPatchCompare(patchCompare);
inpainting.PatchSortFunction = &SortByDepthAndColor;
//inpainting.PatchSortFunction = &SortByAverageAbsoluteDifference;
//DepthAndColorDifference = ColorDifference * Lambda + (1.0 - Lambda) * DepthDifference;
// When lambda = 0, only the depth is used
// When lambda = 1, only the color is used
inpainting.Initialize();
inpainting.Inpaint();
// Compute error
itk::ImageRegionIterator<Mask> iterator(finalMask, finalMask->GetLargestPossibleRegion());
float depthError = 0.0f;
float colorError = 0.0f;
while(!iterator.IsAtEnd())
{
if(finalMask->IsHole(iterator.GetIndex()))
{
colorError += ColorPixelDifference::Difference(scaledImage->GetPixel(iterator.GetIndex()), inpainting.GetCurrentOutputImage()->GetPixel(iterator.GetIndex()));
depthError += DepthPixelDifference::Difference(scaledImage->GetPixel(iterator.GetIndex()), inpainting.GetCurrentOutputImage()->GetPixel(iterator.GetIndex()));
}
++iterator;
}
std::cout << "colorError: " << colorError << std::endl;
std::cout << "depthError: " << depthError << std::endl;
fout << colorError << " " << depthError << std::endl;
// Unscale all channels
for(unsigned int channel = 0; channel < imageReader->GetOutput()->GetNumberOfComponentsPerPixel(); ++channel)
{
Helpers::ScaleChannel<float>(inpainting.GetCurrentOutputImage(), channel, maxValues[channel], inpainting.GetCurrentOutputImage());
}
std::stringstream ssFloat;
ssFloat.setf(ios::showpoint);
ssFloat << outputPrefix << "_float_lambda_" << lambdas[lambdaId] << ".mha";
Helpers::WriteImage<FloatVectorImageType>(inpainting.GetCurrentOutputImage(), ssFloat.str());
std::stringstream ssRGB;
ssRGB.setf(ios::showpoint);
ssRGB << outputPrefix << "_RGB_lambda_" << lambdas[lambdaId] << ".mha";
Helpers::WriteVectorImageAsRGB(inpainting.GetCurrentOutputImage(), ssRGB.str());
//Helpers::WriteVectorImageAsRGB(inpainting.GetCurrentOutputImage(), Helpers::ReplaceFileExtension(ss.str(), "png"));
}
fout.close();
return EXIT_SUCCESS;
}