Mathematical Problems in Engineering / 2019 / Article / Tab 5

Research Article

A New Smoothed L0 Regularization Approach for Sparse Signal Recovery

Table 5

PSNR analysis of recovered Barbara image by BPDN, SL0, L2-SL0, -RLS, and RRSL0 with noise intensity changes according to sequence .

Noise intensity ()PSNR of Barbara image recovery
BPDN SL0 L2-SL0 -RLS RRSL0

0 28.6613 29.5761 31.7921 32.3566 33.4074
0.01 27.7887 30.4746 30.9875 31.7365 32.6767
0.05 26.0316 26.1561 26.3147 27.3533 29.8613
0.1 20.7076 21.6914 23.8343 26.9408 27.5167
0.2 16.6564 16.6721 19.1297 19.2624 19.7801
0.5 9.1316 9.3525 13.1838 15.7972 16.9070

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