Fig. 2From: A new nonlocal variational bi-regularized image restoration model via split Bregman methodDenoising of the Lena image using different methods. Top left: a noisy image with Gaussian noise(σ=15). Top right: the denoised image by CEP- L 2 with PSNR =29.7321. Bottom: by NLCEP- L 2 with PSNR =30.8995Back to article page