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Title:
キャリブレーション方法及びキャリブレーション装置
Document Type and Number:
Japanese Patent JP5606786
Kind Code:
B2
Abstract:
The calibration device 1 is set up in a machine tool 50 and provides: a image capture subject material 10 having a calibration pattern 14 that includes one feature point and being attached to the spindle 55, two-dimensional coordinate calculation parts 22, 23 that calculate the two-dimensional coordinates of feature points based on the two-dimensional image data that is created from the images of the calibration pattern 14 that were captured at multiple movement positions of the spindle 55 by the CCD camera 58; a three-dimensional coordinate calculation part 24 that calculates the three-dimensional coordinates of the feature points that correspond to each movement position of the spindle 55; and a parameter calculation part 26 that calculates the intrinsic parameters and extrinsic parameters of the CCD camera 58 based on the two-dimensional coordinates and three-dimensional coordinates at each movement position of the spindle 55.

Inventors:
ザオ Bin Jan
ティアン Xiaodong
Gin ゼェ
スリバトサン ヴィジェイ
Application Number:
JP2010113800A
Publication Date:
October 15, 2014
Filing Date:
May 18, 2010
Export Citation:
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Assignee:
DMG 森精 machine incorporated company
International Classes:
G01B11/00; B23Q17/24
Attorney, Agent or Firm:
Tomoji Murakami
Ken-ichi Tanaka