Superpixel Spectral Unmixing for Hyperspectral Image Superresolution Using a Coupled Encoder-Decoder Network

Table 4

The average RMSE, PSNR, SAM, and ERGAS over CAVE and Harvard datasets.

Methods		CNMF; [8]	GSOMP+; [4]	BSR; [24]	SNNMF; [9]	CSU; [10]	NSSR; [5]	uSDN; [21]	Ours
CAVE	RMSE	8.98	8.05	4.93	8.45	6.73	4.67	4.12	3.69
	PSNR	28.72	30.42	35.86	29.33	32.40	36.65	37.48	38.02
	SAM	11.55	14.47	7.54	9.75	8.17	7.26	6.93	6.53
	ERGAS	0.79	0.82	0.62	0.73	0.68	0.58	0.51	0.46
Harvard	RMSE	3.98	4.18	2.47	3.48	3.07	2.29	1.78	1.68
	PSNR	38.11	37.35	42.36	40.03	41.07	42.63	44.22	45.02
	SAM	4.87	5.02	3.43	4.25	3.83	3.31	2.85	2.63
	ERGAS	0.43	0.45	0.31	0.39	0.36	0.28	0.22	0.19