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

Table 1

Image quality comparison of proposed and classical shaping mechanisms.

Scheme name	RMSE	PSNR (dB)	SSIM	EPI	SI	SC	NAE
Sparse-view FBP	0.074	22.61	0.24	0.211	121	0.988	0.428
Amoeba distance (with Gaussian pilot)	0.059	24.56	0.42	0.253	332.8	0.990	0.286
RBS amoeba shaping (with Gaussian pilot)	0.059	24.51	0.52	0.261	1683.9	1.008	0.235