A CT Reconstruction Algorithm Based on Non-Aliasing Contourlet Transform and Compressive Sensing

Table 1

RMSE and UQI of reconstructed images using three different algorithms.

	RMSE			UQI
Methods	ART	ART-TV	SpBr-NACT	ART	ART-TV	SpBr-NACT
Noisy-free	0.0502	0.0321	0.0196	0.9869	0.9947	0.9980
Noisy	0.0554	0.0406	0.0318	0.9839	0.9914	0.9948