Title:
POSITIONING METHOD AND APPARATUS, AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2019/104953
Kind Code:
A1
Abstract:
The present invention relates to the technical field of computer applications. Disclosed are a positioning method and apparatus, and a mobile terminal. Said method comprises: acquiring a photograph for positioning captured by a mobile terminal for a location in a preset scene; performing metric learning on the photograph for positioning and image features in a feature index, and calculating a similarity between the photograph for positioning and each image feature, the feature index being an index regarding the association between the image features extracted from a panoramic video captured for the preset scene and corresponding locations in the preset scene; according to the similarity, determining a target image feature that is most similar to the photograph for positioning; and determining, from the locations in the feature index, a location associated with the target image feature, and positioning, in the panoramic video, a panoramic image frame corresponding to the location. Said positioning method and apparatus, and mobile terminal can easily and conveniently position a location with high accuracy.
Inventors:
JIAN WEIHUA (CN)
Application Number:
PCT/CN2018/087337
Publication Date:
June 06, 2019
Filing Date:
May 17, 2018
Export Citation:
Assignee:
INTELLIGENT REALITY SHENZHEN TECH CO LTD (CN)
International Classes:
G06K9/62
Foreign References:
| CN108009588A | 2018-05-08 | |||
| CN106909684A | 2017-06-30 | |||
| US20010003182A1 | 2001-06-07 |
Attorney, Agent or Firm:
SHENZHEN LUNGTIN LIANDING INTELLECTUAL PROPERTY AGENT LTD. (CN)
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