Title:
CAMERA CALIBRATION
Document Type and Number:
WIPO Patent Application WO/2016/070318
Kind Code:
A1
Abstract:
Systems, methods, and devices for calibrating one or more imaging devices are provided. In one aspect, a method comprises: receiving, from each of the one or more imaging devices, a plurality of images of a calibration target comprising a plurality of features and one or more reference markers,; determining a spatial relationship between the one or more reference markers in each image of the plurality of images and the one or more reference markers on the calibration target; formulating, based on the spatial relationship, a correspondence between image coordinates of features in each image of the plurality of images and global coordinates for corresponding features on the calibration target; and determining, based on the correspondence, calibration parameters for the one or more imaging devices.
Inventors:
SHEN YU (CN)
LIU ANG (CN)
ZHOU GUYUE (CN)
LIU ANG (CN)
ZHOU GUYUE (CN)
Application Number:
PCT/CN2014/090217
Publication Date:
May 12, 2016
Filing Date:
November 04, 2014
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G06T7/00
Foreign References:
| CN101563709A | 2009-10-21 | |||
| CN1719477A | 2006-01-11 | |||
| CN103686143A | 2014-03-26 | |||
| US20140253738A1 | 2014-09-11 | |||
| US20130208098A1 | 2013-08-15 | |||
| US20110115922A1 | 2011-05-19 |
Other References:
See also references of EP 3167430A4
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (NO.83 Longguan east Rd. Longhua new Dist, Shenzhen Guangdong 9, CN)
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