BP3D_CUDA

This is a GPU implementation of a simple backprojection algorithm for 3D data sets. It takes projection data as input, and returns the backprojection of this data.

Configuration options

name	type	description
cfg.ProjectionDataId	required	The astra_mex_data3d ID of the projection data
cfg.ReconstructionDataId	required	The astra_mex_data3d ID of the reconstruction data. The content of this when starting SIRT3D_CUDA is used as the initial reconstruction.
cfg.option.GPUindex	optional	The index (zero-based) of the GPU to use. (default: 0)
cfg.option.VoxelSuperSampling	optional	For the backward projection, VoxelSuperSampling^3 rays will be used. This should only be used if your voxels in the reconstruction volume are larger than the detector pixels. (default: 1)