Research Article
A New Smoothed L0 Regularization Approach for Sparse Signal Recovery
Figure 7
Images recovery effect by BPDN, SL0, L2-SL0, -RLS, and RRSL0 algorithms under different noise intensities. In subfigures (a), (b), (c), and (d), from left to right are images recovered by BPDN, SL0, L2-SL0, -RLS, and RRSL0 algorithms.