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:
Oct. 02, 2012

Filed:

Sep. 02, 2009
Applicants:

Yoshihiro Nakamura, Nagoya, JP;

Etsuo Yamada, Nagoya, JP;

Inventors:

Yoshihiro Nakamura, Nagoya, JP;

Etsuo Yamada, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01); G06K 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A calibration device for an on-vehicle camera includes an image receiving portion receiving an image of an area around a vehicle taken by an on-vehicle camera, a viewpoint transformation portion performing a viewpoint transformation on the image to obtain a transformed image, a region setting portion setting a recognition target region on the transformed image according to coordinates of the calibration index set in accordance with vehicle models, where the recognition target region includes therein the calibration index, a calibration point detecting portion detecting a calibration point positioned within the calibration index included in the recognition target region, and a calibration calculating portion calibrating the on-vehicle camera in accordance with coordinates of the calibration point in a reference coordinate system and in accordance with coordinates of the calibration point in a camera coordinate system.


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