Single-Image Super-Resolution Using Panchromatic Gradient Prior and Variational Model

Table 2

SR results of different methods with magnification factor of 2.

Images		Bicubic	SC	SCBP	Ours
Flower	PSNR	32.7356	32.7032	34.8588	36.5869
	RMSE	5.8852	5.9072	4.6089	3.7774
	SSIM	0.9163	0.8998	0.9295	0.9351
Leaf	PSNR	23.7807	23.2820	25.8536	28.6582
	RMSE	16.5009	17.4760	12.9975	9.4108
	SSIM	0.8650	0.8386	0.8997	0.9323
Lena	PSNR	32.0533	31.7019	34.0844	36.1762
	RMSE	6.3661	6.6289	5.0387	3.9603
	SSIM	0.9143	0.8939	0.9289	0.9319