Title:
VISUAL POSITIONING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/016803
Kind Code:
A1
Abstract:
A visual positioning method and apparatus, an electronic device, and a storage medium. The method comprises: extracting a feature vector of a feature point of a query image (S11); searching, according to the feature vector of the feature point of the query image, for a database feature point that matches the feature point of the query image, the database feature point representing a feature point of a database image (S12); and determining a visual positioning result of the query image according to the matched database feature point (S13).
Inventors:
JIN CHENG (CN)
FENG YOUJI (CN)
ZHANG GUOFENG (CN)
FENG YOUJI (CN)
ZHANG GUOFENG (CN)
Application Number:
PCT/CN2020/139166
Publication Date:
January 27, 2022
Filing Date:
December 24, 2020
Export Citation:
Assignee:
ZHEJIANG SENSETIME TECH DEV CO LTD (CN)
International Classes:
G06N3/04; G06F16/583
Foreign References:
| CN111859003A | 2020-10-30 | |||
| CN104596519A | 2015-05-06 | |||
| CN110296686A | 2019-10-01 | |||
| CN110390356A | 2019-10-29 | |||
| CN104820718A | 2015-08-05 | |||
| US20150286894A1 | 2015-10-08 |
Other References:
YUAN LIU; ZEHONG SHEN; ZHIXUAN LIN; SIDA PENG; HUJUN BAO; XIAOWEI ZHOU: "GIFT: Learning Transformation-Invariant Dense Visual Descriptors via Group CNNs", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 14 November 2019 (2019-11-14), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081532326
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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