System and method for locating a predetermined pattern...

Details System and method for locating a predetermined pattern... System and method for locating a predetermined pattern...

2005-06-21

2008-11-25

Lee, Michael G. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462070, C235S462080, C235S462120, C235S462160, C235S462250, C235S454000, C235S462090

Reexamination Certificate

active

07455231

ABSTRACT:
Described is a method of locating a predetermined pattern. An image is divided into a predetermined number of areas. A search sequence indicative of an order in which the areas are to be analyzed for the predetermined pattern is determined. The areas in the search sequence are analyzed until either a predetermined time elapses or the predetermined pattern is detected. When the predetermined time has elapsed before the predetermined pattern is detected, a further image is obtained. Then, areas remaining in the sequence are analyzed in the further image beginning with an area to be analyzed immediately after a last analyzed area of the image until either the predetermined time elapses or the predetermined pattern is detected in one of the remaining areas.

REFERENCES:
patent: 5689103 (1997-11-01), Watanabe et al.
patent: 5936224 (1999-08-01), Shimizu et al.
patent: 6343742 (2002-02-01), Watanabe et al.
patent: 0 561 334 (1993-09-01), None
patent: 0 910 032 (1999-04-01), None

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