Real-Time Depth-Based Hand Detection and Tracking

Table 1

Comparison of detection rate and false positive rate of various AdaBoost algorithms.

	MFPR (maximum acceptable false positive rate)
	0.7	0.6	0.5	0.4	0.3	0.2	0.1	0
Discrete AdaBoost
DR	0.96	0.99	0.98	0.99	1	0.97	0.99	0.96
FDR	0.72	0.73	0.74	0.87	0.71	0.85	0.56	0.13
Computation (ms)	25.76	20.13	19.82	23.70	32.60	36.18	39.63	123.56
Real AdaBoost
DR	0.98	0.99	0.97	0.96	0.99	0.99	1	0.94
FDR	0.47	0.39	0.27	0.45	0.18	0.26	0.20	0.01
Computation (ms)	15.63	15.77	15.42	16.85	17.33	21.36	24.18	82.83
Gentle AdaBoost
DR	0.96	0.99	0.97	0.97	0.97	0.97	0.98	0.98
FDR	0.46	0.49	0.40	0.33	0.59	0.37	0.24	0.01
Computation (ms)	16.22	18.28	20.62	18.84	18.71	18.39	26.53	86.15
Proposed method
DR	0.97
FDR	0
Computation (ms)	4.19