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

Table 3

The RMSE and SAM of benchmarked examples.

Methods			CNMF; [8]	GSOMP+; [4]	BSR; [24]	SNNMF; [9]	CSU; [10]	NSSR; [5]	uSDN; [21]	Ours
CAVE	CD	RMSE	7.80	10.55	10.93	7.14	7.71	6.07	4.94	4.56
		SAM	13.10	20.21	9.47	14.12	12.16	5.34	9.88	6.67
	Photo	RMSE	9.51	3.04	2.52	9.21	5.28	2.90	2.32	1.86
		SAM	16.62	11.09	8.54	18.04	10.82	14.60	5.84	5.33
	Spool	RMSE	9.78	5.80	5.91	12.30	8.54	3.06	5.54	4.12
		SAM	14.38	16.01	14.86	11.05	18.10	14.60	13.04	11.64
Harvard	Img1	RMSE	2.32	2.21	1.72	3.01	1.99	3.01	2.0	1.36
		SAM	2.55	2.63	2.26	2.18	2.93	2.23	1.60	1.42
	Imgb5	RMSE	1.92	2.73	1.33	2.49	1.64	2.54	1.15	0.91
		SAM	2.04	3.36	2.25	1.97	2.65	2.10	1.70	1.54