Smoothed Norm Regularization for Sparse-View X-Ray CT Reconstruction

Table 1

Comparing criterions of the results reconstructed by different algorithms (Shepp-Logan and head slice).

	FBP		TV		SL0
	NMAD (%)	SNR (dB)	NMAD (%)	SNR (dB)	NMA (%)	SNR (dB)
Shepp-Logan phantom	1.23	36.49		67.70		93.87
Head slice image (noiseless)	3.13	28.09	0.27	47.68	0.25	49.98
Head slice image (Poisson)	3.36	27.75	0.95	38.47	0.47	42.20