Table 2. Memory and time for each extractor representing a single feature.

Classification performance is included with MLP on the LN84 data set.

Descriptor	SIFT-128	SURF-64	Shi-Tomasi	BRIEF	ORB	FAST
Memory (bytes)	128	64	64	32	32	16
Time (ms)	2.776	1.024	0.088	0.224	0.179	0.092
Accuracy (%)	51.66	68.49	12.78	59.18	96.5	41.38