A Regular -Shrinkage Thresholding Operator for the Removal of Mixed Gaussian-Impulse Noise

Table 2

Numerical results by the removal of GSPRV, measured by PSNR and FSIM.

Noise level	Indexes	Methods	Coastguard	Flower	News
	PSNR	VBM3D	24.54	18.13	27.22
		RPCA	24.72	18.98	28.40
		-	26.27	18.35	27.05
		Ours	25.27	20.51	29.32
	PSNR	VBM3D	23.79	17.62	26.23
		RPCA	22.11	16.65	24.60
		-	24.21	17.37	24.87
		Ours	24.26	18.67	28.01
	FSIM ()	VBM3D	85.32	78.72	93.52
		RPCA	89.50	82.94	93.75
		-	88.62	79.44	90.66
		Ours	89.43	87.64	94.13
	FSIM ()	VBM3D	80.05	74.39	90.87
		RPCA	83.33	75.13	82.78
		-	83.57	75.16	84.61
		Ours	87.72	79.92	91.83