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Title:
画像キャリブレーション方法、画像キャリブレーション処理装置、画像キャリブレーション処理端末
Document Type and Number:
Japanese Patent JP4191449
Kind Code:
B2
Abstract:
An image calibration method according to the present invention includes the steps of receiving a calibration request from a user terminal 20 (S10), receiving a calibration object image photographed in accordance with an instruction for calibration photographing (S16), performing a calibration process using the received calibration object image (S26), receiving a subject image photographed by a camera 2, transmitted from the user terminal 20 (S30), performing a calibration on the subject image in accordance with results of the calibration process to form a corrected subject image (S32), and returning the formed corrected subject image to the user terminal 20 (S34). The present invention allows acquisition of a corrected subject image in which distortions due to the camera lens are corrected even for those unskilled in three-dimensional measurement based on the principle of the stereo method, precise two-dimensional measurement, and precise image formation.

Inventors:
Nobuo Takachi
Takayuki Noma
Application Number:
JP2002272858A
Publication Date:
December 03, 2008
Filing Date:
September 19, 2002
Export Citation:
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Assignee:
Topcon Co., Ltd.
International Classes:
G01C11/04; G01B11/00; G06T3/00; G06T1/00; G06T7/00; H04N1/40; H04N1/46; H04N5/217
Domestic Patent References:
JP2002027495A
JP9329418A
JP8201021A
Attorney, Agent or Firm:
Sadaji Miyakawa
Hirofumi Higashino
Kiyoshi Miyakawa
Hiroyuki Matsumura
Kazuo Takahashi