Research Article
A New Smoothed L0 Regularization Approach for Sparse Signal Recovery
Table 6
SSIM analysis of recovered Barbara image by BPDN, SL0, L2-SL0,
-RLS, and RRSL0 with noise intensity changes according to sequence
.
| Noise intensity () | SSIM of Barbara image recovery | BPDN | SL0 | L2-SL0 | -RLS | RRSL0 |
| 0 | 0.9834 | 0.9920 | 0.9926 | 0.9936 | 0.9984 | 0.01 | 0.9817 | 0.9904 | 0.9914 | 0.9927 | 0.9942 | 0.05 | 0.9797 | 0.9744 | 0.9753 | 0.9739 | 0.9888 | 0.1 | 0.9161 | 0.9314 | 0.9544 | 0.9728 | 0.9810 | 0.2 | 0.8165 | 0.8170 | 0.9051 | 0.9142 | 0.9278 | 0.5 | 0.3863 | 0.3992 | 0.6309 | 0.7712 | 0.8190 |
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