An Improved Total Variation Minimization Method Using Prior Images and Split-Bregman Method in CT Reconstruction

Table 1

RMSE and UQI of reconstruction images.

Methods	Abdomen		Real data
	ART-TV	PISPTV	ART-TV	PISPTV
RMSE	0.0303	0.0106	0.0414	0.0107
SSIM	0.9877	0.9985	0.9696	0.9971