CALIBRATION DEVICE OF CAMERA FOR MEASUREMENT

Title:

CALIBRATION DEVICE OF CAMERA FOR MEASUREMENT

Document Type and Number:

Japanese Patent JP2020026339

Kind Code:

A

Abstract:

To provide a calibration device which can perform calibration of a camera attached to a fork lift comparatively simply.SOLUTION: A calibration device 10 comprises a pedestal 12 capable of attaching to a fork 5 of a fork lift 2, a clamp 13 which fixes the pedestal 12 to the fork 5 and a pattern board 14 for correction attached to the pedestal 12. The calibration device 10 attaches the pattern board 14 for correction for the calibration to the fork 5. Geometrical relationship between the camera 7 and the fork 5 can be measured simply. Therefore, by attaching the pattern board 14 for correction to the fork 5, parameter prescribing transformation matrix from the coordinate system fixed to the camera 7 to the coordinate system fixed to the fork 5 can be obtained easily and accurately.SELECTED DRAWING: Figure 2

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Inventors:

TANAKA MINORU
TSUSAKA YUJI
FUJII AKINOBU
NONOGAKI YASUNORI

Application Number:

JP2018151903A

Publication Date:

February 20, 2020

Filing Date:

August 10, 2018

Export Citation:

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Assignee:

TOYOTA CENTRAL RES & DEV
TOYOTA IND CORP

International Classes:

B66F9/24

Domestic Patent References:

JP2006096457A	2006-04-13
JPH0280698U	1990-06-21
JP3169205U	2011-07-21
JP2009143722A	2009-07-02

Foreign References:

US5938710A	1999-08-17
US20110286007A1	2011-11-24
US4929145A	1990-05-29
US6135701A	2000-10-24

Attorney, Agent or Firm:

Kaiyu International Patent Office

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