Title:
MOVABLE PLATFORM POSITIONING METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/070441
Kind Code:
A1
Abstract:
A movable platform positioning method and apparatus, the method comprising: when a movable platform executes a first motion operation in a target area, acquiring images which are taken by a photographing apparatus on the movable platform (S11); establishing an online map of the target area on the basis of the images which are taken by the photographing apparatus at different moments (S12); acquiring an offline map of the target area established when the movable platform has executed a historical motion operation in the target area, wherein the historical motion operation is an operation prior to the first motion operation (S13); and positioning the movable platform on the basis of the image which is taken by the photographing apparatus at the current moment, the online map and the offline map, so as to obtain a first positioning result of the movable platform (S14). By means of the method, when visual repositioning is performed, the online map and the offline map complement each other, so as to cover an operation scenario as much as possible, thereby improving the success rate and accuracy of positioning the movable platform.
Inventors:
ZHAO FENG (CN)
Application Number:
PCT/CN2021/127050
Publication Date:
May 04, 2023
Filing Date:
October 28, 2021
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G01C21/28; G01C11/06; G01C11/12; G01C21/32
Domestic Patent References:
| WO2017020856A1 | 2017-02-09 |
Foreign References:
| CN111699453A | 2020-09-22 | |||
| CN110457414A | 2019-11-15 | |||
| CN109084732A | 2018-12-25 | |||
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| CN111311756A | 2020-06-19 | |||
| US20200342626A1 | 2020-10-29 | |||
| CN108021884A | 2018-05-11 | |||
| CN109648568A | 2019-04-19 | |||
| CN109822568A | 2019-05-31 | |||
| US20170004345A1 | 2017-01-05 | |||
| CN109887087A | 2019-06-14 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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