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:
Feb. 18, 2025

Filed:

Feb. 25, 2022
Applicant:

Huawei Cloud Computing Technologies Co., Ltd., Guizhou, CN;

Inventors:

Yidan Teng, Gui'an, CN;

Kai Zhou, Shenzhen, CN;

Jing Zhang, Shenzhen, CN;

Qingzhi Li, Gui'an, CN;

Weikang Ning, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/73 (2017.01); G06T 3/10 (2024.01); G06V 10/24 (2022.01); G06V 10/40 (2022.01); G06V 20/50 (2022.01);
U.S. Cl.
CPC ...
G06T 7/74 (2017.01); G06T 3/10 (2024.01); G06V 10/24 (2022.01); G06V 10/40 (2022.01); G06V 20/50 (2022.01); G06T 2207/30244 (2013.01); G06T 2207/30264 (2013.01); G06V 2201/07 (2022.01); G06V 2201/08 (2022.01);
Abstract

A positioning method includes obtaining an estimated extrinsic parameter of a camera and an intrinsic parameter of the camera, where the estimated extrinsic parameter of the camera is obtained based on world coordinates of a plurality of estimation points in a shooting region of the camera, image coordinates of the plurality of estimation points, and the intrinsic parameter of the camera; obtaining image coordinates of a target in an image shot by the camera; and obtaining world coordinates of the target based on the estimated extrinsic parameter of the camera, the intrinsic parameter of the camera, and the image coordinates of the target.


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