Procedure and device for detecting the movement of a target and

Image analysis – Applications – Target tracking or detecting

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348169, 348700, 382107, G06K 900

Patent

active

058839690

ABSTRACT:
A device and a process for detecting the movement of a target observed in the field of view of an optical detector in which a differential image is determined from two successive pictures of the field of view, a binary image is formed from the differential image and from a binary conversion threshold, moving zones in the binary image are individualized, individual envelopes surrounding the zones are determined, an overall envelope surrounding the individual envelopes is determined, and it is determined whether there is movement of the target from the individual envelopes and the overall envelope.

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Celenk et al., "Moving Object Tracking in Industrial Work Stations", Advances In Instrumentation, vol. 43, Part 1, 1988, pp. 289-304.
French Search Report dated Mar. 8, 1996, 3 pages.

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