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| Presentation | 2024-03-03 09:20 Environment Recognition System for Visually Impaired People Using LIDAR Mounted on User's Head -- Improvements of Distance Measurement/Acoustic Signal Conversion and Experimental Evaluation -- Liqi Zhu, Tetsuo Tsujioka, Shigeyoshi Nakajima, Hitoshi Watanabe, Ikuo Oka (Osaka Metropolitan Univ.)  HCS2023-103 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | LIDAR technology is often used to detect surrounding environment around users. For visually impaired people, a system that can efficiently recognize their surrounding environment is required. In the previous research, acoustic signals are generated based on HRTF (Head Related Transfer Function) for positioning, and users must use headphones to listen. However, HTRF is not universal for everyone, and if users wear headphones, they will not be able to hear environmental sounds, resulting in dangerous. In this paper, we develop an environment recognition system for visually impaired people, in which distance measurement by LIDAR placed on user's head and real-time acoustic signal conversion are implemented by using a prototype of originally developed circuit board. The PWM and/or FSK sound signals can be output from 12 open speakers around the user's head, depending on the corresponding direction and measured distance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Impaired People, Distance Measurement / Distance Measurement / Acoustic Signal Modulation / LIDAR / Environment Recognition / Navigation System / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 408, HCS2023-103, pp. 86-91, March 2024. | |
| Paper # | HCS2023-103 | |
| Date of Issue | 2024-02-24 (HCS) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | HCS2023-103 |
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| Conference Information | |
| Committee | HCS |
| Conference Date | 2024-03-02 - 2024-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokoha University(Shizuoka-Kusanagi Campus) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Measuring and understanding interactions, and general |
| Paper Information | |
| Registration To | HCS |
| Conference Code | 2024-03-HCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Environment Recognition System for Visually Impaired People Using LIDAR Mounted on User's Head |
| Sub Title (in English) | Improvements of Distance Measurement/Acoustic Signal Conversion and Experimental Evaluation |
| Keyword(1) | Impaired People, Distance Measurement |
| Keyword(2) | Distance Measurement |
| Keyword(3) | Acoustic Signal Modulation |
| Keyword(4) | LIDAR |
| Keyword(5) | Environment Recognition |
| Keyword(6) | Navigation System |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Liqi Zhu |
| 1st Author's Affiliation | Osaka Metropolitan University (Osaka Metropolitan Univ.) |
| 2nd Author's Name | Tetsuo Tsujioka |
| 2nd Author's Affiliation | Osaka Metropolitan University (Osaka Metropolitan Univ.) |
| 3rd Author's Name | Shigeyoshi Nakajima |
| 3rd Author's Affiliation | Osaka Metropolitan University (Osaka Metropolitan Univ.) |
| 4th Author's Name | Hitoshi Watanabe |
| 4th Author's Affiliation | Osaka Metropolitan University (Osaka Metropolitan Univ.) |
| 5th Author's Name | Ikuo Oka |
| 5th Author's Affiliation | Osaka Metropolitan University (Osaka Metropolitan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2024-03-03 09:20:00 |
| Presentation Time | 30 minutes |
| Registration for | HCS |
| Paper # | HCS2023-103 |
| Volume (vol) | vol.123 |
| Number (no) | no.408 |
| Page | pp.86-91 |
| #Pages | 6 |
| Date of Issue | 2024-02-24 (HCS) |
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