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.

Date of Patent:
Nov. 30, 1999

Filed:

Dec. 05, 1997
Applicant:
Inventors:

Yoshihiro Itsuzaki, Kashihara, JP;

Masatoshi Nakamura, Nishinomiya, JP;

Noriyuki Suzuki, Neyagawa, JP;

Misuzu Takano, Hirakata, JP;

Kinji Horikami, Suita, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382203 ; 382291 ;
Abstract

A shape detection apparatus able to accurately detect the image position of a target object even when the shape of the scanning window does not match the shape of the image of the target, and even when the scanning position of the scanning window does not precisely match the image position of the target is provided. This shape detection apparatus comprises a video image producer; an image memory; an approximate position evaluator for evaluating the approximate position of the image of the target; an edge point detector for defining plural sampling line windows having a predetermined length for detecting the image density at the detected approximate position of the image, and detecting image density edge points in these sampling line windows as the contour point positions of the target image; and a detection window setter for setting the contour lines of the target image from the detected contour point positions.


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