Combining Acceleration Techniques for Low-Dose X-Ray Cone Beam Computed Tomography Image Reconstruction

Table 1

Computational time for each algorithm.

Algorithms	Time (sec) per iteration
	Subsets = 10	Subsets = 30
OSTR	9.87	10.19
AOSTR	10.56	10.52
OSTR-TDM-STF	10.06	10.38
OSTR-TDM-STF-FISTA	10.13	10.46
AOSTR-TDM-STF	10.76	10.71
AOSTR-TDM-STF-FISTA	10.88	10.80