Multiscale Region-Level VHR Image Change Detection via Sparse Change Descriptor and Robust Discriminative Dictionary Learning

Table 3

Performance comparison of different change features.

Data set	Feature	pKNN			NN
		FAR (%)	MAR (%)	TFR (%)	FAR (%)	MAR (%)	TFR (%)
DS1	SCD	2.40	19.39	7.27	3.22	17.42	7.30
	dfSPEC	7.96	24.81	12.79	10.52	21.49	13.67
	dfMP	6.82	27.89	12.87	6.05	23.14	10.95
	dfGB	5.52	27.73	11.89	5.86	21.90	10.46
	dfUDW	8.95	28.24	14.48	7.96	24.16	12.61
	dfSIFT	4.36	30.60	11.88	6.47	26.13	12.11
DS2	SCD	7.51	30.39	10.94	8.89	22.74	10.97
	dfSPEC	9.15	29.93	12.27	7.81	28.77	10.96
	dfMP	10.75	29.48	13.56	7.84	25.15	10.44
	dfGB	10.29	31.33	13.45	8.00	28.41	11.07
	dfUDW	13.11	39.33	17.05	9.55	35.98	13.52
	dfSIFT	3.00	44.22	9.19	6.42	35.59	10.80
DS3	SCD	12.10	13.52	12.29	10.51	16.42	11.30
	dfSPEC	13.02	21.20	14.12	11.83	20.45	12.98
	dfMP	12.04	29.66	14.39	8.81	34.33	12.22
	dfGB	14.24	26.02	15.81	11.82	28.01	13.98
	dfUDW	17.43	28.36	18.89	14.15	31.10	16.42
	dfSIFT	8.87	41.30	13.20	10.63	35.65	13.97