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

Table 3

SR results of different methods with magnification factor of 4.

Images		Bicubic	SC	SCBP	Ours
Flower	PSNR	26.1123	28.6254	28.4408	28.8676
	RMSE	12.6160	9.4465	9.6494	9.1867
	SSIM	0.7416	0.7922	0.7856	0.7969
Leaf	PSNR	17.2636	19.3226	19.0129	19.3259
	RMSE	34.8430	27.5682	28.5689	27.5578
	SSIM	0.5081	0.5919	0.5905	0.6295
Lena	PSNR	25.4408	27.9062	27.4987	28.0027
	RMSE	13.6302	10.2619	10.7548	10.1486
	SSIM	0.7381	0.7833	0.7761	0.7996