Research Article
A New Smoothed L0 Regularization Approach for Sparse Signal Recovery
Table 3
PSNR analysis of recovered Boat image by BPDN, SL0, L2-SL0,
-RLS, and RRSL0 with noise intensity changes according to sequence
.
| Noise intensity () | PSNR of Boat image recovery | BPDN | SL0 | L2-SL0 | -RLS | RRSL0 |
| 0 | 28.4928 | 31.5901 | 31.7175 | 32.2332 | 33.3495 | 0.01 | 27.9775 | 29.8589 | 30.2423 | 30.9742 | 31.5447 | 0.05 | 24.0531 | 27.1226 | 27.7101 | 28.2422 | 29.2505 | 0.1 | 20.3769 | 21.6485 | 23.9331 | 25.8639 | 26.4745 | 0.2 | 16.3044 | 17.9303 | 20.6744 | 23.0823 | 23.7415 | 0.5 | 9.2283 | 10.7863 | 13.4863 | 14.4974 | 16.3646 |
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