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

Table 5

SR results of different methods with magnification factor of 4.

Images		Bicubic	SC	SCBP	Ours
Field	PSNR	19.5392	19.5944	17.8861	21.0251
	RMSE	26.8894	26.7189	32.8934	22.6614
	SSIM	0.4536	0.4537	0.3825	0.5437
Tree	PSNR	19.0398	19.5148	17.6925	20.5211
	RMSE	28.4806	26.9560	32.9877	24.0150
	SSIM	0.4018	0.4138	0.3510	0.5144
Beach	PSNR	18.3940	18.2420	16.4463	19.5784
	RMSE	30.6790	31.2204	38.3908	26.7681
	SSIM	0.4049	0.3946	0.3396	0.5010