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Paper Abstract and Keywords
Presentation 2016-12-16 13:30
[Invited Lecture] Reflectance and Shape Estimation for Digital Illustrations
Hideki Todo (TUT) IMQ2016-16
Abstract (in Japanese) (See Japanese page) 
(in English) Although many photorealistic relighting methods provide a way to change the illumination of objects in digital photograph, it is currently difficult to relight a shading style in digital illustrations,
which is less constrained by physical accuracy. Our goal is to handle such non-photorealistic property for relighting digital illustrations. In this paper, we mainly focus on the following research topics: relighting animated characters and shading analysis. In relighting animated characters, we employ a layer representation to obtain temporal coherent data. We introduce normal interpolation and filtering methods to connect discontinuous normal data cased by simple layering of normal maps designed for each part. As for shading analysis, we introduce a shape and reflectance estimation method for the quantized shading property, which is commonly used in digital illustrations.
We will discuss our initial relighting experiments to handle real digital illustrations.
Keyword (in Japanese) (See Japanese page) 
(in English) Relighting / Shape and reflectance estimation / Layer animation / Cartoon shading / Digital illustration / Quantization / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 369, IMQ2016-16, pp. 1-6, Dec. 2016.
Paper # IMQ2016-16 
Date of Issue 2016-12-09 (IMQ) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee IMQ  
Conference Date 2016-12-16 - 2016-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Computer Graphics and overall ontent of IMQ 
Paper Information
Registration To IMQ 
Conference Code 2016-12-IMQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reflectance and Shape Estimation for Digital Illustrations 
Sub Title (in English)  
Keyword(1) Relighting  
Keyword(2) Shape and reflectance estimation  
Keyword(3) Layer animation  
Keyword(4) Cartoon shading  
Keyword(5) Digital illustration  
Keyword(6) Quantization  
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Keyword(8)  
1st Author's Name Hideki Todo  
1st Author's Affiliation Tokyo University of Technology (TUT)
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Speaker Author-1 
Date Time 2016-12-16 13:30:00 
Presentation Time 25 minutes 
Registration for IMQ 
Paper # IMQ2016-16 
Volume (vol) vol.116 
Number (no) no.369 
Page pp.1-6 
#Pages 6 
Date of Issue 2016-12-09 (IMQ) 

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