BP_CUDA
This is a GPU implementation of a simple backprojection algorithm for 2D data sets. It takes projection data as input, and returns the backprojection of this data.
Supported geometries: parallel, parallel_vec, fanflat, fanflat_vec.
Configuration options
name |
type |
description |
|---|---|---|
cfg.ProjectionDataId |
required |
The astra_mex_data2d ID of the projection data |
cfg.ReconstructionDataId |
required |
The astra_mex_data2d ID for the backprojection data. |
cfg.option.GPUindex |
optional |
Specifies which GPU to use. Default = 0. |
cfg.option.PixelSuperSampling |
optional |
Specifies the amount of pixel supersampling, i.e., how many (one dimension) subpixels are generated from a single parent pixel. |