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:
Oct. 26, 2021

Filed:

Jun. 30, 2020
Applicant:

Tencent Technology (Shenzhen) Company Limited, Shenzhen, CN;

Inventors:

Xiangkai Lin, Shenzhen, CN;

Liang Qiao, Shenzhen, CN;

Fengming Zhu, Shenzhen, CN;

Yu Zuo, Shenzhen, CN;

Zeyu Yang, Shenzhen, CN;

Yonggen Ling, Shenzhen, CN;

Linchao Bao, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/73 (2017.01); G06T 7/50 (2017.01); G06T 7/246 (2017.01); G06T 3/40 (2006.01);
U.S. Cl.
CPC ...
G06T 7/74 (2017.01); G06T 3/4007 (2013.01); G06T 7/248 (2017.01); G06T 7/50 (2017.01); G06T 2207/10028 (2013.01);
Abstract

Embodiments of this application disclose a position and attitude determining method. The method includes acquiring, by tracking a feature point of a first marked image, position and attitude parameters of an image captured by a camera; using a previous image of a first image as a second marked image in response to the previous image of the first image meeting a feature point tracking condition and the first image failing to meet the feature point tracking condition; acquiring, position and attitude parameters of the image captured by the camera relative to the second marked image; acquiring position and attitude parameters according to the position and attitude parameters of the image relative to the second marked image and position and attitude parameters of each marked image relative to a previous marked image; and determining a position and an attitude of the camera according to the position and attitude parameters.


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