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, 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 | Specifiec the amount of pixel supersampling, i.e., how many (one dimension) subpixels are generated from a single parent pixel. |