Title:
VISUAL POSITIONING METHOD, ROBOT, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/116156
Kind Code:
A1
Abstract:
Provided is a visual positioning method, comprising: obtaining current lighting conditions by means of a light sensor element arranged on a robot (102); according to the current lighting conditions, searching in a map library for a candidate map set matching said current lighting conditions, said map library storing maps under different lighting conditions (104); collecting images under the current lighting conditions and matching the images to maps in the candidate map set, and determining a map matching the image and using the matched map as a target map for the current lighting conditions (106); performing visual positioning on the basis of the target map (108). The visual positioning method allows accurate positioning even under changing lighting conditions. In addition, also provided are a robot and a storage medium.
Inventors:
LIU ZHICHAO (CN)
HUANG MINGQIANG (CN)
LAI YOUFANG (CN)
GU YULONG (CN)
HUANG MINGQIANG (CN)
LAI YOUFANG (CN)
GU YULONG (CN)
Application Number:
PCT/CN2020/133919
Publication Date:
June 09, 2022
Filing Date:
December 04, 2020
Export Citation:
Assignee:
UBTECH ROBOTICS CORP LTD (CN)
International Classes:
G01C21/20; G01C21/00
Foreign References:
| CN111161347A | 2020-05-15 | |||
| CN107223244A | 2017-09-29 | |||
| CN109074408A | 2018-12-21 | |||
| CN111652934A | 2020-09-11 | |||
| EP3306344A1 | 2018-04-11 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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