Relaxation Factor Optimization for Common Iterative Algorithms in Optical Computed Tomography

Table 3

Comparison of the antinoise ability of the SART algorithm for two tested images.

Gaussian noise	Bimodal asymmetrical image		Three-peak asymmetrical image
	Average relative errors (%)	Root-mean-square relative errors (%)	Average relative errors (%)	Root-mean-square relative errors (%)
(0, 0.025)	1.07	8.83	1.11	8.91
(0, 0.050)	1.21	9.16	1.24	9.65
(0, 0.075)	1.74	11.75	1.88	13.04
(0, 0.100)	1.96	14.69	2.10	15.92
(0, 0.125)	2.95	23.17	3.09	24.23