Feature Tracking for Target Identification in Acoustic Image Sequences

Table 2

Statistical characteristics of matching performances with variable parameters.

Descriptors	Size		SNR		Position
	(%)		(%)		(%)
SURF	50.2	0.15	50.2	0.31	63.0	0.11
BRISK	6.0	0.20	28.5	0.28	8.3	0.26
FREAK	19.4	0.29	31.9	0.31	8.8	0.25
SIFT	12.7	0.24	58.0	0.25	44.2	0.28