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.
Patent No.:
Date of Patent:
Jun. 09, 2026
Filed:
Apr. 06, 2023
Applicant:
Lemon Inc., Cayman Islands, KY;
Inventors:
Sijie Zhu, Los Angeles, CA (US);
Linjie Yang, Los Angeles, CA (US);
Xiaohui Shen, Los Angeles, CA (US);
Heng Wang, Los Angeles, CA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/73 (2017.01); G06V 10/75 (2022.01); G06V 10/77 (2022.01); G06V 10/774 (2022.01);
U.S. Cl.
CPC ...
G06T 7/74 (2017.01); G06V 10/751 (2022.01); G06V 10/7715 (2022.01); G06V 10/774 (2022.01); G06T 2207/20081 (2013.01);
Abstract
A unified place recognition framework handles both retrieval and re-ranking with a unified transformer model. The re-ranking modules utilizes feature correlation, attention value, and x/y coordinates into account, and learns to determine whether an image pair is from a same location.