Research Article

A New Fast Algorithm for Constrained Four-Directional Total Variation Image Denoising Problem

Figure 4

Comparison of the convergence behavior for the different methods with respect to PSNR. (a) The “Cameraman” image (standard deviation of zero-mean Gaussian white noise: 0.11) and (b) the “Moon” image (standard deviation of zero-mean Gaussian white noise: 0.07).
(a)
(b)