NUFFT-Based Iterative Image Reconstruction via Alternating Direction Total Variation Minimization for Sparse-View CT

Table 1

Parameters in the simulation of a sparse-view scan.

Parameters	Configuration
Detection elements	512
Source to axis distance	300 mm
Source to detection distance	600 mm
Views of projection data	18
Projection data	512 18
Reconstruction size	256 256 pixels
Pixel size	0.127 mm 0.127 mm