Deep Belief Network for Feature Extraction of Urban Artificial Targets

Table 1

ROSIS-3 data classification category sample.

Category	Numbers
	Training samples	Validation samples	Testing samples	Total
Asphalt	745	250	252	1247
Bare soil	231	82	85	398
Gravel	593	200	208	1001
Meadows	402	133	135	670
Metal sheet	1250	425	512	2187
Brick	352	133	139	624
Shadow	1647	518	509	2674
Tree	780	259	260	1299