Table 4. ANMSE for different compression ratios over generated Gaussian sparse vector.

Compression ratio (%)	GWRA	COSAMP	OMP	FBP	SP	BA	PSO
70	3.10710e−29	5.135	0.228	0.1717	1.699	0.245	0.354
60	0.0583	6.1224	0.828	0.2412	2.164	0.389	0.687
50	0.2515	6.575	1.125	0.2572	2.415	2.124	1.953
40	1.4313	7.025	1.820	2.3341	3.156	3.245	2.644
30	1.894	7.4220	2.348	3.2498	5.125	4.165	4.789