Title:
ポータブル端末による室内ナビゲーション方法、ポータブル端末及び記憶媒体
Document Type and Number:
Japanese Patent JP6653759
Kind Code:
B2
Abstract:
This application discloses an indoor navigation method of a handheld terminal, including: after receiving an indoor navigation instruction, controlling a camera to obtain an image within a scope of a lens, performing analysis on a barcode of a barcode label in the image, obtaining identifier information of each barcode label, and selecting color blocks from at least two barcode labels according to a color block selection rule; calculating coordinates corresponding to each of the color blocks in a pixel coordinate system according to a position of each selected color block in the image within the scope of the lens; and calculating coordinates corresponding to each of the color blocks in a world coordinate system on the basis of association data of identifier information of the barcode labels and coordinates of the color blocks in the world coordinate system according to a barcode label at which each selected color block is located, and calculating coordinates of the handheld terminal in the world coordinate system according to a coordinate calculation rule. The present invention further discloses a handheld terminal for indoor navigation and a storage medium. This application can quickly and accurately calculate a precise real-time position of the handheld terminal, thereby improving indoor navigation precision.
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Inventors:
Zhou treasure
Reliance
Edo Guoqiang
Reliance
Edo Guoqiang
Application Number:
JP2018527723A
Publication Date:
February 26, 2020
Filing Date:
June 21, 2017
Export Citation:
Assignee:
PING AN TECHNOLOGY (SHENZHEN) CO.,LTD.
International Classes:
G01C21/26; G01C21/28; G06T7/70; G08G1/005; H04N5/232
Domestic Patent References:
| JP2012159506A | ||||
| JP2012084149A | ||||
| JP2011013075A | ||||
| JP2016136099A |
Foreign References:
| US20150185735 | ||||
| CN103868517A |
Attorney, Agent or Firm:
try international patent corporation