Region-Based Segmentation and Wiener Pilot-Based Novel Amoeba Denoising Scheme for CT Imaging

Table 2

Image quality comparison of the proposed Wiener filtering-based RBS amoeba scheme with the classical amoeba filtering scheme.

Scheme name	RMSE	PSNR	SSIM	EPI	SI	SC	NAE
Sparse-view FBP	0.074	22.61	0.24	0.211	121	0.988	0.428
Classical amoeba	0.059	24.56	0.42	0.253	332.8	0.990	0.286
Proposed RBS amoeba	0.052	25.56	0.58	0.376	1739.8	1.002	0.233