Fig. 4
From: Improved BM3D image denoising using SSIM-optimized Wiener filter
Subjective assessment between the normal 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=28.29 and SSIM=0.7455. d Output using the proposed method, PSNR=28.97 and SSIM=0.7972