Title:
ATTITUDE CALIBRATION METHOD AND DEVICE, AND UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/080052
Kind Code:
A1
Abstract:
An attitude calibration method. The method comprises: obtaining video data (20) photographed by a photographing device (104); and determining a relative attitude of the photographing device (104) and an inertial measurement unit (IMU) according to the video data (20) and rotating information of the IMU in the process of photographing the video data (20) by the photographing device (104). The accuracy of the relative attitude of the photographing device and the IMU determined according to the video data and the rotating information of the IMU is higher. Also disclosed are an attitude calibration device and an unmanned aerial vehicle that can use the calibration method.
Inventors:
LU QINGBO (CN)
LI CHEN (CN)
ZHU LEI (CN)
WANG XIAODONG (CN)
LI CHEN (CN)
ZHU LEI (CN)
WANG XIAODONG (CN)
Application Number:
PCT/CN2017/107834
Publication Date:
May 02, 2019
Filing Date:
October 26, 2017
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G01C25/00; G06V20/13; G06V20/17
Foreign References:
| CN105606127A | 2016-05-25 | |||
| CN104977912A | 2015-10-14 | |||
| CN104764467A | 2015-07-08 | |||
| US20160370203A1 | 2016-12-22 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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