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Paper Abstract and Keywords
Presentation 2011-01-21 10:50
Reflectometry Measurement with Free-Form Lighting
Kaori Kikuchi (Ritsumeikan Univ.), Bruce Lamond, Abhijeet Ghosh (Univ. of Southern California), Pieter Peers (College of William & Mary), Paul Debevec (Univ. of Southern California), Ryosuke Ichikari, Hideyuki Tamura (Ritsumeikan Univ.) PRMU2010-181 MVE2010-106
Abstract (in Japanese) (See Japanese page) 
(in English) This paper introduces a prototype system for measurement of per-pixel appearance parameters. For example, diffuse albedo, specular albedo, surface normals and specular roughness. Some conventional techniques estimate BRDF from images under constructed illuminations. On the other hand, images are captured with a free-form hand-held light from a fixed viewpoint camera in our system. We employ a simple method using images which have only diffuse component for estimating light directions. Polarizer and image-based methods are used for separation of diffuse and specular components in general scenes. Additionally, image-based relighting is required for free-form light conditions to calculate reflectance properties of objects.
Keyword (in Japanese) (See Japanese page) 
(in English) Bidirectional Reflectance Distribution Function / Image-based lighting / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 381, PRMU2010-181, pp. 273-278, Jan. 2011.
Paper # PRMU2010-181 
Date of Issue 2011-01-13 (PRMU, MVE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 PRMU MVE IPSJ-CVIM  
Conference Date 2011-01-20 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2011-01-PRMU-MVE-CVIM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reflectometry Measurement with Free-Form Lighting 
Sub Title (in English)  
Keyword(1) Bidirectional Reflectance Distribution Function  
Keyword(2) Image-based lighting  
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1st Author's Name Kaori Kikuchi  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Bruce Lamond  
2nd Author's Affiliation University of Southern California, Institute for Creative Technologies (Univ. of Southern California)
3rd Author's Name Abhijeet Ghosh  
3rd Author's Affiliation University of Southern California, Institute for Creative Technologies (Univ. of Southern California)
4th Author's Name Pieter Peers  
4th Author's Affiliation The College of William & Mary (College of William & Mary)
5th Author's Name Paul Debevec  
5th Author's Affiliation University of Southern California, Institute for Creative Technologies (Univ. of Southern California)
6th Author's Name Ryosuke Ichikari  
6th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
7th Author's Name Hideyuki Tamura  
7th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2011-01-21 10:50:00 
Presentation Time 25 minutes 
Registration for PRMU 
Paper # PRMU2010-181, MVE2010-106 
Volume (vol) vol.110 
Number (no) no.381(PRMU), no.382(MVE) 
Page pp.273-278 
#Pages
Date of Issue 2011-01-13 (PRMU, MVE) 


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