Fig. 6
From: A convex nonlocal total variation regularization algorithm for multiplicative noise removal
Recovered ultrasonic images via different methods. a Original image, b noisy image (PSNR = 29.2360, SSIM = 0.8174), c nonlocal-AA method (PSNR = 31.2127,SSIM = 0.8488), d nonlocal-SO method (PSNR = 32.3298, SSIM = 0. 8878), and e proposed method (PSNR = 32.6496, SSIM = 0.8994)