The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8401305 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 19, 2013

Filed:

Oct. 15, 2009
Applicant:

Manabu Kido, Osaka, JP;

Inventor:

Manabu Kido, Osaka, JP;

Assignee:

Keyence Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/48 (2006.01); G06K 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a pattern model creating method in image processing, which allows selection of an appropriate contour in accordance with an object image, the method being a pattern model creating method in image processing for positioning by searching an object to be searched that is similar to a pre-registered image out of an image to be searched by use of a pattern model corresponding to the registered image, the method including: extracting a plurality of edge points from the registered image; creating a plurality of continuous chains by coupling adjacent edge points among the plurality of extracted edge points; eliminating a chain with a length not larger than a predetermined length among the plurality of chains; selecting chains sequentially from the smallest chain among the remaining chains; and regarding aggregation of the selected chains as a contour extracted from the registered image, to construct a pattern model for positioning.


Find Patent Forward Citations

Loading…