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Paper Abstract and Keywords
Presentation 2025-03-06 10:50
A challenge to extract aerosol concentration from digital image without having shape information -- Potential of information in patch-based regions --
Michiharu Niimi (KIT), Tomohiro Sato (NICT) EMM2024-136
Abstract (in Japanese) (See Japanese page) 
(in English) Air pollution, is one of the most critical environmental problems, monitoring can be done by ground observation or remote sensing, but ther
e are some issues with accuracy,
temporal resolution, and spatial resolution.
One way to provide temporal resolution is through citizen sensing.
In order to expand opportunities for citizen sensing, we focus on digital image data. %, which is relatively easy to obtain.
In this study, we aim to establish a method to estimate aerosol concentrations from the data.
In this paper, we use image data from a high-altitude fixed camera to attempt to estimate three classes of aerosol concentrations for patche
s %(local pixel groups)
cut out from blue sky areas.
In the experiments, five different angles of view for the high-altitude fixed camera were prepared, and image data acquired over a certain p
eriod was used.
The CIE xyY color space was used as pixel features. %, and these features were obtained for all pixels in the patch area.
%The features were learned/classified using a classifier.
Experimental results show that for vertically long patches, specifically, $1 times 300$,
classification accuracy was 76.39% on average.
Keyword (in Japanese) (See Japanese page) 
(in English) Aerosol concentration estimation / Digital image / patch / xyY color space / High altitude fixed camera / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 414, EMM2024-136, pp. 100-105, March 2025.
Paper # EMM2024-136 
Date of Issue 2025-02-26 (EMM) 
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 EMM2024-136

Conference Information
Committee EMM  
Conference Date 2025-03-05 - 2025-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawaken Seinenkaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMM 
Conference Code 2025-03-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A challenge to extract aerosol concentration from digital image without having shape information 
Sub Title (in English) Potential of information in patch-based regions 
Keyword(1) Aerosol concentration estimation  
Keyword(2) Digital image  
Keyword(3) patch  
Keyword(4) xyY color space  
Keyword(5) High altitude fixed camera  
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Keyword(7)  
Keyword(8)  
1st Author's Name Michiharu Niimi  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
2nd Author's Name Tomohiro Sato  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2025-03-06 10:50:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # EMM2024-136 
Volume (vol) vol.124 
Number (no) no.414 
Page pp.100-105 
#Pages 6 
Date of Issue 2025-02-26 (EMM) 

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