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Paper Abstract and Keywords
Presentation 2017-08-24 10:50
HDR Imaging from LDR Images with Motion by Estimating Shutter Speed
Aika Miyagawa, Xi Zhang (UEC) SIP2017-50
Abstract (in Japanese) (See Japanese page) 
(in English) Composition of High Dynamic Range (HDR) image from Low Dynamic Range (LDR) images has been comprehensively studied. In many of the conventional methods, the exposure time of LDR images are needed. If multiple LDR images with motion are used, ghost occurs in the resulting HDR image. In this paper, we propose a method of composing ghost-free HDR image from LDR images with motion by estimating relative shutter speed. First, motion region is detected between LDR images, and then the relative shutter speed is estimated in the static region. Next, HDR image is composed by generating a different weight in each region. Finally, we demonstrate a composing experiment using real images and it is shown that the proposed composition method can acquire ghost-free HDR image.
Keyword (in Japanese) (See Japanese page) 
(in English) LDR image / HDR image / Image fusion / Shutter speed estimation / Weight function / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 180, SIP2017-50, pp. 13-18, Aug. 2017.
Paper # SIP2017-50 
Date of Issue 2017-08-17 (SIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee SIP  
Conference Date 2017-08-24 - 2017-08-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Denki University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2017-08-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) HDR Imaging from LDR Images with Motion by Estimating Shutter Speed 
Sub Title (in English)  
Keyword(1) LDR image  
Keyword(2) HDR image  
Keyword(3) Image fusion  
Keyword(4) Shutter speed estimation  
Keyword(5) Weight function  
1st Author's Name Aika Miyagawa  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Xi Zhang  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Date Time 2017-08-24 10:50:00 
Presentation Time 25 
Registration for SIP 
Paper # IEICE-SIP2017-50 
Volume (vol) IEICE-117 
Number (no) no.180 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2017-08-17 

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