From: Nonlocal total variation based on symmetric Kullback-Leibler divergence for the ultrasound image despeckling
BNLTV
SAR-BM3D
Proposed
sigma = 0.8
28.11
28.53
33.04
sigma = 1.0
26.92
26.78
29.52
sigma = 1.3
26.18
24.7
26.72