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ThinkMind // UBICOMM 2020, The Fourteenth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article ubicomm_2020_2_50_10029


RefRec: Indoor Positioning Using a Camera Recording Floor Reflections of Lights

Authors:
Shota Shimada
Hiromichi Hashizume
Masanori Sugimoto

Keywords: Visible light positioning; Received signal strength; Angle of arrival.

Abstract:
In recent years, there has been a growing interest in indoor positioning techniques using the ubiquitous infrastructure. This paper describes an indoor positioning method using light-emitting diode light reflecting from the floor and a smartphone camera recording it. Almost all traditional methods must detect the light source directly. However, there are some constraints to their usage since light sources cannot always be detected directly. Our proposal aims to solve this problem by estimating the position of a camera that does not face the light directly but records light reflected from the floor. The camera need not detect the ceiling lights directly from an image, unlike existing methods. Experimental results show that the proposal requires less than 1/100 the number of pixels for localization as do existing methods, and the 3-D position and attitude can be estimated within 0.27 m and 5.78 degrees at the 90th percentile in a 4.0 m square room.

Pages: 57 to 63

Copyright: Copyright (c) IARIA, 2020

Publication date: October 25, 2020

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-811-2

Location: Nice, France

Dates: from October 25, 2020 to October 29, 2020

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