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Paper Abstract and Keywords
Presentation 2025-12-04 09:55
Pedestrian - Vehicle Collision Avoidance Support System with Dynamic Warning Area Capable of Handling Pedestrian Fall State
Yusuke Tanikawa, Tomotaka Wada (Kansai Univ.) WBS2025-50 ITS2025-29 RCC2025-49
Abstract (in Japanese) (See Japanese page) 
(in English) We have been developing a Pedestrian-Vehicle Collision Avoidance Support System (P-VCASS) to reduce accidents involving pedestrians and vehicles. This system aims to prevent collisions with pedestrians by predicting the risk of collision between a vehicle and a pedestrian and warning the driver. However, a problem with this system is that it does not account for the complex movements of pedestrians. Therefore, in this study, we propose a Pedestrian-Vehicle Collision Avoidance Support System with Dynamic Warning Area Capable of Handling Pedestrian Fall State. Results from field tests using actual vehicles in intersection environments and simulation experiments demonstrated that warnings could be issued specifically to pedestrians at high risk of collision, confirming the effectiveness of this approach. Furthermore, the validity of the warning conditions based on fall detection and pedestrian-vehicle angle was also confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) ITS / pedestrian-vehicle collision avoidance / action determination / random forest / the angle between the vehicle and the pedestrian / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 265, ITS2025-29, pp. 85-90, Dec. 2025.
Paper # ITS2025-29 
Date of Issue 2025-11-26 (WBS, ITS, RCC) 
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 WBS2025-50 ITS2025-29 RCC2025-49

Conference Information
Committee RCC ITS WBS  
Conference Date 2025-12-03 - 2025-12-04 
Place (in Japanese) (See Japanese page) 
Place (in English) B-Con Plaza (Beppu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ITS 
Conference Code 2025-12-RCC-ITS-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pedestrian - Vehicle Collision Avoidance Support System with Dynamic Warning Area Capable of Handling Pedestrian Fall State 
Sub Title (in English)  
Keyword(1) ITS  
Keyword(2) pedestrian-vehicle collision avoidance  
Keyword(3) action determination  
Keyword(4) random forest  
Keyword(5) the angle between the vehicle and the pedestrian  
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1st Author's Name Yusuke Tanikawa  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Tomotaka Wada  
2nd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2025-12-04 09:55:00 
Presentation Time 25 minutes 
Registration for ITS 
Paper # WBS2025-50, ITS2025-29, RCC2025-49 
Volume (vol) vol.125 
Number (no) no.264(WBS), no.265(ITS), no.266(RCC) 
Page pp.85-90 
#Pages 6 
Date of Issue 2025-11-26 (WBS, ITS, RCC) 

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