示例#1
0
Input2DImageType::Pointer Curvelet::getSlice(InputImageType::Pointer im, int slice)
{
	Input2DImageType::Pointer out = Input2DImageType::New();
	Input2DImageType::SizeType size;
	size[0] = im->GetLargestPossibleRegion().GetSize()[0];
	size[1] = im->GetLargestPossibleRegion().GetSize()[1];
	Input2DImageType::IndexType index;
	index.Fill(0);
	Input2DImageType::RegionType region;
	region.SetSize(size);
	region.SetIndex(index);
	out->SetRegions(region);
	out->Allocate();
	if(out->GetBufferPointer()==NULL)
		printf("Could not allocate memory -1 ... I'm going to crash any moment now.. \n");
	memcpy(out->GetBufferPointer(),im->GetBufferPointer()+slice*size[0]*size[1],size[0]*size[1]*sizeof(unsigned char));
	return out;
}
示例#2
0
InputImageType::Pointer Curvelet::RunOnInputImage(InputImageType::Pointer InputImage)
{
	//InputImage = NewInputImage;
	slices = InputImage->GetLargestPossibleRegion().GetSize()[2];
	InputImageType::Pointer outputim = InputImageType::New();
	outputim->SetRegions(InputImage->GetLargestPossibleRegion());
	outputim->Allocate();
	FloatImageType::Pointer cosim = FloatImageType::New();
	cosim->SetRegions(InputImage->GetLargestPossibleRegion());
	cosim->Allocate();
	FloatImageType::Pointer sinim = FloatImageType::New();
	sinim->SetRegions(InputImage->GetLargestPossibleRegion());
	sinim->Allocate();

	if(outputim->GetBufferPointer() == NULL || cosim->GetBufferPointer() == NULL || sinim->GetBufferPointer() == NULL)
	{
		printf("Couldnt' allocate memory - 3.. going to crash now\n");
	}
	int max_dim = tile_size;


	int xsize = InputImage->GetLargestPossibleRegion().GetSize()[0];
	int ysize = InputImage->GetLargestPossibleRegion().GetSize()[1];

	int kx = 0;int ky = 0;


	kx = xsize /(max_dim-this->border);
	ky = ysize /(max_dim-this->border);

	int remx = xsize % (max_dim-this->border);
	int remy = ysize % (max_dim-this->border);

	if ( remx > 0 )
		kx ++;
	if ( remy > 0 )
		ky ++;

	for(int xco = 0; xco < kx; xco++)
	{
		for(int yco = 0; yco < ky; yco++)
		{

			InputImageType::SizeType imsize = InputImage->GetLargestPossibleRegion().GetSize();
			InputImageType::IndexType index;
			InputImageType::SizeType size;
			InputImageType::RegionType region;

			index.Fill(0);
			size[0] =  MIN((xco)*(max_dim-this->border)+max_dim-1,imsize[0]-1) -  xco * (max_dim-this->border) +1;
			size[1] =  MIN((yco)*(max_dim-this->border)+max_dim-1,imsize[1]-1) -  yco * (max_dim-this->border) +1;
			size[2] = imsize[2];

			InputImageType::Pointer imtile = InputImageType::New();
			region.SetIndex(index);
			region.SetSize(size);
			imtile->SetRegions(region);
			imtile->Allocate();
			if(imtile->GetBufferPointer()==NULL)
				printf("Couldn't allocate memory - 4 .. going to crash now\n");
			InputImageType::RegionType region1;
			index[0] = xco *(max_dim-this->border);
			index[1] = yco *(max_dim-this->border);
			index[2] = 0;
			region1.SetIndex(index);
			region1.SetSize(size);

			typedef itk::ImageRegionIterator<InputImageType> IteratorType;
			IteratorType iter1(InputImage,region1);
			IteratorType iter2(imtile,region);


			//printf("xco = %d yco = %d :\n",xco,yco);
			region1.Print(std::cout);
			region.Print(std::cout);

			iter1.GoToBegin();
			iter2.GoToBegin();
			for(;!iter1.IsAtEnd();++iter1,++iter2)
			{
				iter2.Set(iter1.Get());
			}


			InputImageType::Pointer outputtile = InputImageType::New();
			outputtile->SetRegions(imtile->GetLargestPossibleRegion());
			outputtile->Allocate();
			FloatImageType::Pointer cosimtile = FloatImageType::New();
			cosimtile->SetRegions(imtile->GetLargestPossibleRegion());
			cosimtile->Allocate();
			FloatImageType::Pointer sinimtile = FloatImageType::New();
			sinimtile->SetRegions(imtile->GetLargestPossibleRegion());
			sinimtile->Allocate();
			if(outputtile->GetBufferPointer() == NULL || cosimtile->GetBufferPointer()==NULL || sinimtile->GetBufferPointer() == NULL )
			{
				printf("Couldn't allocate memory - 5 .. going to crash now ..\n");
			}

			{
#pragma omp parallel for shared(cosimtile,imtile,sinimtile,outputtile)  num_threads(numt)
				for(int counter = 0; counter < slices; counter++)
				{
					//printf("Counter = %d\n",counter);
					Input2DImageType::Pointer im2d = getSlice(imtile,counter);
					Input2DImageType::Pointer om2d;
					Float2DImageType::Pointer cosim2d,sinim2d;
					//call single slice 2-d curvelets function
					getCurveletsForOneSlice(im2d,om2d,cosim2d,sinim2d);
					copyslice<InputPixelType>(om2d,outputtile,counter);
					copyslice<float>(cosim2d,cosimtile,counter);
					copyslice<float>(sinim2d,sinimtile,counter);
				}
			}
			
			//printf("copying the tile\n");
			if(xco != 0)
			{
				size[0] = size[0] - border/2;
				index[0] = border/2;
			}
			if(xco != kx-1)
			{
				size[0] = size[0] - border/2;
			}

			if(yco != 0)
			{
				size[1] = size[1] - border/2;
				index[1] = border/2;
			}
			if(yco != ky-1)
			{
				size[1] = size[1] - border/2;
			}
			size[2] = slices;
			index[2] = 0;


			region.SetIndex(index);
			region.SetSize(size);
			
			if(xco!=0)
			{
				index[0] = xco *(max_dim-border)+border/2;
			}
			if(yco!=0)
			{
				index[1] = yco *(max_dim-border)+border/2;
			}
			
			
			index[2] = 0;
			region1.SetSize(size);
			region1.SetIndex(index);

			iter1 = IteratorType(outputim,region1);
			iter2 = IteratorType(outputtile,region);
			typedef itk::ImageRegionIterator<FloatImageType> FIteratorType;
			FIteratorType iter3(cosim,region1);
			FIteratorType iter4(cosimtile,region);
			FIteratorType iter5(sinim,region1);
			FIteratorType iter6(sinimtile, region);

			iter1.GoToBegin();iter2.GoToBegin();
			iter3.GoToBegin();iter4.GoToBegin();
			iter5.GoToBegin();iter6.GoToBegin();

			for(;!iter1.IsAtEnd();++iter1,++iter2,++iter3,++iter4,++iter5,++iter6)
			{
				iter1.Set(iter2.Get());
				iter3.Set(iter4.Get());
				iter5.Set(iter6.Get());
			}
			//printf("Done with copying the tile to full image\n");
		}
	}
	return outputim;
}