Procedure for watching over the area in front of a lift

Details Procedure for watching over the area in front of a lift Procedure for watching over the area in front of a lift

1985-10-04

1988-05-03

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

187104, 307116, 340550, 340562, G06K 900

Patent

active

047425490

ABSTRACT:
A procedure for watching over the area in front of a lift door, of said area being formed with the aid of one-dimensionally or two-dimensionally grouped photoelectric image point pick-ups, image signals suitable to be digitally processed, with a pick-up signal preprocessing means based on mutual interaction of the image points. With a view to obtaining a lift door monitoring system with good resolution in a wide lighting range, the design taught by the invention contains, at least, the following features for processing the pickup-specific image signals:

REFERENCES:
patent: 3370677 (1968-02-01), Federmann
patent: 3743058 (1973-07-01), Diamond
patent: 3845843 (1974-11-01), Cohen
patent: 3973208 (1976-08-01), Diamond
patent: 4326197 (1982-04-01), Evin

Affiliated with

Also associated with

Rating

Procedure for watching over the area in front of a lift does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Procedure for watching over the area in front of a lift, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Procedure for watching over the area in front of a lift will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1511315