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

Table 4

SR results of different methods with magnification factor of 2.

Images		Bicubic	SC	SCBP	Ours
Field	PSNR	24.4504	24.5058	22.7932	26.8614
	RMSE	15.2764	15.1792	18.4876	11.5736
	SSIM	0.7493	0.7475	0.6872	0.8255
Tree	PSNR	23.5264	24.0390	22.1848	25.9000
	RMSE	16.9911	16.0166	19.8289	12.9283
	SSIM	0.7237	0.7248	0.6664	0.8139
Beach	PSNR	22.9976	22.9150	20.9018	24.7080
	RMSE	18.0577	18.2300	22.9854	14.8300
	SSIM	0.7427	0.7401	0.6821	0.8166