A Modified Spectral PRP Conjugate Gradient Projection Method for Solving Large-Scale Monotone Equations and Its Application in Compressed Sensing

Table 6

Recovering sparse signals under different CS ratios.

CS-R	CGD			SGCS			MPPRP-M
	Iter	Time	MSE	Iter	Time	MSE	Iter	Time	MSE
0.125	1047	4.97s	7.96e-006	752	3.44s	4.40e-006	607	2.58s	4.18e-006
	(985)	(4.86s)	(5.11e-003)	(1018)	(4.19s)	(4.29e-003)	886	(3.63s)	(4.16e-003)
0.25	263	2.05s	2.87e-006	241	1.92s	2.75e-006	178	1.38s	2.64e-006
	(425)	(3.34s)	(7.12e-006)	(359)	(2.84s)	(5.70e-006)	(274 )	( 2.20s)	( 5.54e-006)
0.5	97	1.33s	2.46e-006	135	1.75s	1.59e-006	85	1.16s	1.54e-006
	(95)	(1.33s)	(1.14e-005)	(146)	(2.03s)	( 5.52e-006)	(93)	(1.30s)	(5.37e-006)