[Retracted] Key Technologies of Vehicle Active Safety System Based on Computer Vision

Table 1

Comparison of various sensor performance.

Parameter indicators	Distance detection (meters)	Price Level (yuan)	False alarm rate	Darkness penetrating ability	Resolution (mm)
Machine vision	Over 100 meters	1000	Relatively low	Strong	Depending on image processing power
Ultrasound	10	A few thousand yuan	Comparatively high	Relatively low	3
Infrared	150	50	Comparatively high	Relatively low	10
Radar	200	80	Low	Relatively low	1∼10