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| Presentation | 2023-01-19 15:05 [Short Paper] An experimental study on the transition of camera-based human localization to CSI sensing Kanare Kodera, Shoki Ohta, Takayuki Nishio (Tokyo Tech)  SeMI2022-81 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wi-Fi sensing, represented by CSI (channel state information) sensing~cite{CSIsurvey}, has attracted much attention. Compared to sensing using cameras and other devices, CSI does not include privacy information such as a person's face or appearance. Moreover, its implementation cost is cheaper than the camera and LiDARs since Wi-Fi access points are already installed in many environments, and the price of Wi-Fi devices is cheaper. However, achieving sensing accuracy comparable to that of cameras requires adopting machine learning models to their deployed environment well. In this paper, we propose a training framework for a Wi-Fi sensing model using camera-based sensing as a teacher toward the transition from the camera-based sensing to Wi-Fi sensing. The focus of this study is to determine how we should design tasks and deploy CSI devices to achieve accuracy comparable to that of sensing with cameras. To this end, this study experimentally shows the relationship between Wi-Fi sensing accuracy and the number and placement of CSI measurement devices when cameras are used as teachers. Experiments on predicting the location of a person from CSI using the person detection results of YOLOv7~cite{YOLOv7} as a teacher have shown that the prediction accuracy is high when a person only goes back and forth in the vicinity of the line-of-sight communication path of the CSI measurement device. Another experiment showed that even when a person wanders around a room, an approximate location can be estimated by using an appropriate combination of CSI measurement devices. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | wireless sensing / channel state information / YOLO / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 341, SeMI2022-81, pp. 43-48, Jan. 2023. | |
| Paper # | SeMI2022-81 | |
| Date of Issue | 2023-01-12 (SeMI) | |
| 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 | SeMI2022-81 |
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| Conference Information | |
| Committee | SeMI SeMI |
| Conference Date | 2023-01-19 - 2023-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Naruto grand hotel |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SeMI |
| Conference Code | 2023-01-SeMI-SeMI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An experimental study on the transition of camera-based human localization to CSI sensing |
| Sub Title (in English) | |
| Keyword(1) | wireless sensing |
| Keyword(2) | channel state information |
| Keyword(3) | YOLO |
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| 1st Author's Name | Kanare Kodera |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Shoki Ohta |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Takayuki Nishio |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2023-01-19 15:05:00 |
| Presentation Time | 10 minutes |
| Registration for | SeMI |
| Paper # | SeMI2022-81 |
| Volume (vol) | vol.122 |
| Number (no) | no.341 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2023-01-12 (SeMI) |
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