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Paper Abstract and Keywords
Presentation 2025-10-21 13:35
Color vision simulation of sRGB tristimulus images for reproducing diverse visual characteristics -- Evaluation of spectrum reconstruction methods from sRGB tristimulus values --
Hirohisa Hirayanagi (Waseda Univ), Takanori Sano (UTokyo), Keiko Momose (Waseda Univ) HIP2025-60
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed color vision simulator based on the optical properties of the eye's lens, macular pigment, and retinal cones, with the aim of contributing to the understanding of various visual characteristics and providing necessary support. In this study, we examined the application of two data-driven methods to reconstruct and estimate the spectral distribution of each pixel in commonly used sRGB images. The results obtained with both reconstruction methods indicated that the simulated color images generated based on the dichromatic trichromacy model exhibited minor differences but were largely consistent with the original spectral images. Analysis of chromaticity estimation errors at each simulation stage revealed complementary tendencies in the accuracy of the two reconstruction methods. Combining the two methods is expected to improve the accuracy of the simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) color vision / simulation / sRGB / spectrum reconstruction / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 206, HIP2025-60, pp. 83-88, Oct. 2025.
Paper # HIP2025-60 
Date of Issue 2025-10-13 (HIP) 
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 HIP2025-60

Conference Information
Committee HIP  
Conference Date 2025-10-20 - 2025-10-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To HIP 
Conference Code 2025-10-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Color vision simulation of sRGB tristimulus images for reproducing diverse visual characteristics 
Sub Title (in English) Evaluation of spectrum reconstruction methods from sRGB tristimulus values 
Keyword(1) color vision  
Keyword(2) simulation  
Keyword(3) sRGB  
Keyword(4) spectrum reconstruction  
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1st Author's Name Hirohisa Hirayanagi  
1st Author's Affiliation Waseda University (Waseda Univ)
2nd Author's Name Takanori Sano  
2nd Author's Affiliation The University of Tokyo (UTokyo)
3rd Author's Name Keiko Momose  
3rd Author's Affiliation Waseda University (Waseda Univ)
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Speaker Author-1 
Date Time 2025-10-21 13:35:00 
Presentation Time 25 minutes 
Registration for HIP 
Paper # HIP2025-60 
Volume (vol) vol.125 
Number (no) no.206 
Page pp.83-88 
#Pages 6 
Date of Issue 2025-10-13 (HIP) 

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