Table 2.

Quantitative metrics (CNR, SC, EPI and computation time) evaluating denoising performance of MM-despeckle TV, Lee-diffusion filter and SAR BM3D methods when applied to hippocampus image in Fig. 3.

Methods	CNR	SC	EPI	PSNR	Time (s)
Noisy Data	0.82	1.47	-	19.33	-
100-avg Data	2.15	0.7	-	-	-
MM-despeckle TV	2.8	0.7	0.75	28.13	284.72
SAR BM3D	1.55	0.9	0.53	25.11	452.07
Lee-diffusion filter	2.77	0.71	0.08	27.61	8.53
Log Normal TV	2.92	0.73	0.62	26.76	12.76