Fig. 5
From: Improved BM3D image denoising using SSIM-optimized Wiener filter

Subjective assessment between the fast profile of BM3D and the proposed method. a Original image. b Noisy image at noise level σ=50, PSNR=14.60, and SSIM=0.1163. c Output using the normal profile of BM3D, PSNR=28.28 and SSIM=0.7438. d Output using the proposed method, PSNR=28.93 and SSIM=0.7967