Method and system for monitoring and controlling workpieces

Details Method and system for monitoring and controlling workpieces Method and system for monitoring and controlling workpieces

2005-12-13

2005-12-13

Bali, Vikkram (Department: 2623)

Image analysis

Applications

Mail processing

C198S340000, C198S444000, C209S552000

Reexamination Certificate

active

06975747

ABSTRACT:
Methods and systems for monitoring the delivery of workpieces to a position by: storing a digital reference image of the position prior to the delivery of workpieces; storing a digital operating image of the position during delivery of workpieces; performing image arithmetic on the reference image and the operating image to produce a digital evaluation image comprised of a plurality of pixels; establishing a threshold image condition for the evaluation image that correlates to the existence of an operating condition relevant to the control of the delivery of workpieces; and examining the pixels in the evaluation image to determine whether the threshold image condition is met.

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