Three Ways to Improve the Performance of Real-Life Camera-Based Fall Detection Systems

Table 5

Results for personalization using online training for persons C and D for . Different combinations of adding zero to five days are tested and averaged.

# videos	TP	FP	SENS (%)	PPV (%)
Person C
	0	176	0	0
	0 (±0)	188.8 (±10.3)	0 (±0)	0 (±0)
	0.2 (±0.42)	193.9 (±7.7)	3.3 (±7.2)	0.1 (±0.22)
	0.8 (±0.42)	195.7 (±7.3)	13.3 (±7.2)	0.41 (±0.22)
	1 (±0)	194.4 (±5.7)	16.7	0.51 (±0.15)
	1	195	16.7	0.51
Person D
	1	201	100	0.49
	0.8 (±0.45)	52 (±11.4)	80 (±44.7)	1.43 (±0.82)
	0.9 (±0.32)	37.6 (±6.6)	90 (±31.6)	2.34 (±0.93)
	1 (±0)	31.9 (±3.2)	100 (±0)	3.07 (±0.29)
	1 (±0)	29.8 (±1.8)	100 (±0)	3.25 (±0.18)
			100	3.33