EURASIP Journal on Advances in Signal Processing

Table 2 Comparisons of peak signal-to-noise ratio(PSNR) values, structural similarity (SSIM) values, and feature similarity (FSIM) values for image with different noise level with different super-resolution approaches

Noise level		Bi-cubic	Yang et al. [20]	Glasner et al. [15]	ASDS [13]	Proposed
σ _ν=0	PSNR	28.93	31.21	30.19	3 4.0 5	32.92
	SSIM	0.911	0.926	0.939	0.945	0.9 4 9
	FSIM	0.917	0.948	0.938	0.9 5 9	0.957
σ _ν=1	PSNR	28.92	31.13	30.17	31.34	3 2.9 2
	SSIM	0.910	0.918	0.935	0.908	0.9 4 7
	FSIM	0.917	0.945	0.937	0.934	0.9 5 6
σ _ν=3	PSNR	28.83	30.49	29.94	31.24	3 2.6 7
	SSIM	0.897	0.863	0.908	0.907	0.9 3 4
	FSIM	0.913	0.918	0.925	0.936	0.9 5 2
σ _ν=5	PSNR	28.66	29.41	29.46	30.96	3 2.1 8
	SSIM	0.875	0.779	0.860	0.896	0.9 1 1
	FSIM	0.904	0.872	0.901	0.934	0.9 4 1