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

Table 3

Image quality comparison of schemes using enlarged ROI images.

Scheme name	RMSE	PSNR	SSIM	EPI	SI	SC	NAE
Sparse-view FBP	0.048	26.28	0.32	0.266	0.48	0.936	0.300
Classical amoeba	0.030	30.23	0.54	0.410	1.50	0.987	0.185
Proposed RBS amoeba	0.024	32.23	0.68	0.423	32.70	1.000	0.131