Research Article
A General Proximal Alternating Minimization Method with Application to Nonconvex Nonsmooth 1D Total Variation Denoising
Figure 1
Total variation denoising with nonconvex nonsmooth
(RMSE = 0.1709), compared with convex
penalty [
21] (RMSE = 0.2720) and smooth log penalty [
7] (RMSE = 0.2611).