Image Retrieval Method Based on Visual Map Pre-Sampling Construction in Indoor Positioning

Image Retrieval Method Based on Visual Map Pre-Sampling Construction in Indoor Positioning

In visual indoor positioning systems, the method of constructing a visual map by point-by-point sampling is widely used due to its characteristics of clear static images and simple coordinate calculation. However, too small a sampling interval will cause image redundancy, while too large a sampling...

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Bibliographic Details
Main Authors: Jianan Bai, Danyang Qin, Ping Zheng, Lin Ma
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:ISPRS International Journal of Geo-Information
Subjects:
indoor positioning
binary codes
semantics
image retrieval
Online Access:https://www.mdpi.com/2220-9964/12/4/169

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