The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 2025

Filed:

May. 13, 2022
Applicant:

Huawei Technologies Co., Ltd., Guangdong, CN;

Inventors:

Wensen Feng, Shenzhen, CN;

Huan Zhang, Shenzhen, CN;

Jun Cao, Shenzhen, CN;

Zhongwei Tang, Shanghai, CN;

Jiangwei Li, Beijing, CN;

Assignee:
Attorney:
Int. Cl.
CPC ...
G06V 20/00 (2022.01); G06T 7/73 (2017.01); G06V 10/74 (2022.01); G06V 20/10 (2022.01);
U.S. Cl.
CPC ...
G06V 20/39 (2022.01); G06T 7/75 (2017.01); G06V 10/761 (2022.01); G06V 20/176 (2022.01);
Abstract

A visual localization method and apparatus are provided. The method includes obtaining a captured first image, determining a first pose based on the first image and an aerial model, determining whether a ground model corresponding to the first pose exists in an aerial-ground model, and when the ground model corresponding to the first pose exists, determining a second pose based on the ground model. The aerial-ground model includes the aerial model and the ground model mapped to the aerial model, a coordinate system of the ground model is the same as a coordinate system of the aerial model, and localization accuracy of the second pose is higher than localization accuracy of the first pose. Performing fine visual localization based on the ground model can improve accuracy and a success rate of localization.


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