Mathematical Problems in Engineering / 2019 / Article / Tab 6

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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