Table 2.

Quantitative evaluation of sinogram and reconstructed image quality for different CT system with uniform disk phantom.

Config	rotCT	s-HCT-1	s-HCT-2 $\alpha =$				s-HCT-3
			60 deg	80 deg	90 deg	120 deg
Sino(%)	100.00	44.91	78.28	87.41	85.43	77.41	98.59
NU	0.00	0.04	0.01	0.01	0.01	0.01	0.01
RMSE	0.04	0.18	0.12	0.11	0.10	0.11	0.11
PSNR	29.08	16.07	19.22	19.55	20.02	20.57	19.17