Method for distinguishing objects in a video image by using...

Details Method for distinguishing objects in a video image by using... Method for distinguishing objects in a video image by using...

2007-03-20

2007-03-20

Hannaher, Constantine (Department: 2884)

Radiant energy

Infrared-to-visible imaging

Reexamination Certificate

active

10417643

ABSTRACT:
A motor vehicle has a video system that analyzes images of the interior of the vehicle to detect certain characteristics for controlling functions of the vehicle, such as detecting the presence of a person on the seat to control deployment of air bags in the event of a crash. The system employs infrared light to illuminate the vehicle interior without affecting the driver's ability to see the highway. In order to distinguish different objects in the image which have similar colors, such as a person dressed in black sitting on a black seat, a selected object, such as the seat, are coated with a substance that alters the object's reflectivity to infrared light, while not changing the reflectivity to visible light. Thus analysis of the infrared image can distinguish between the objects without affecting the appearance of the vehicle interior to a human user.

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