Analysis Sparse Representation for Nonnegative Signals Based on Determinant Measure by DC Programming

Table 1

Image denoising performance of PSNR (dB).

Face ID	Noisy level	COAOL	Proposed	FD
01	10.7662	11.0553	19.2743	11.0553
02	10.7675	11.0686	19.0550	11.0152
03	10.7381	11.0324	18.7899	10.9849
04	10.7542	11.0452	18.9949	11.0025
05	10.7918	11.0881	18.4613	11.0410
06	10.7502	11.0408	18.9840	10.9959
07	10.7844	11.0838	19.2423	11.0335
08	10.8030	11.0926	18.7126	11.0541
09	10.7905	11.0792	18.5088	11.0400
10	10.7528	11.0408	18.3358	11.0000
11	10.7764	11.0641	18.7527	11.0242
12	10.7623	11.0429	18.6075	11.0092
13	10.7268	11.0181	17.4434	10.9735
15	10.8005	11.0786	18.9708	11.0487
16	10.7784	11.0660	18.6266	11.0261
17	10.7745	11.0626	19.1770	11.0224
18	10.7546	11.0398	19.0336	11.0031
19	10.7442	11.0307	19.2140	10.9920
20	10.7765	11.0703	18.9491	11.0255