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Paper Abstract and Keywords
Presentation 2013-02-19 14:00
Technique for capturing images containing invisible depth information
Sae Isaka, Hiroshi Unno, Kazutake Uehira (Kanagawa Inst. of Tech), Youichi Takashima (NTT) ITS2012-54 IE2012-134
Abstract (in Japanese) (See Japanese page) 
(in English) We present a new technique for capturing images where depth information on an object is invisibly and simultaneously embedded in its 2-D image when its image is taken with a camera. An object is illuminated by light that contains invisible patterns whose characteristics change depending on depth; therefore, the images of objects captured with a camera also invisibly contain their depth information. This invisible information on depth can be extracted by appropriate image processing from the captured image. We carried out experiments using periodical pattern whose spatial frequency changes depending on depth. We demonstrate that the depth map on a captured image can be produced by obtaining the frequency of the periodical pattern in the image using discreet Fourier transform.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D image / Depth map / Invisible pattern / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 434, IE2012-134, pp. 317-320, Feb. 2013.
Paper # IE2012-134 
Date of Issue 2013-02-11 (ITS, IE) 
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)
Download PDF ITS2012-54 IE2012-134

Conference Information
Committee ITS IE ITE-AIT ITE-HI ITE-ME  
Conference Date 2013-02-18 - 2013-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Image Processsing, Image Medium, Vision, etc. 
Paper Information
Registration To IE 
Conference Code 2013-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Technique for capturing images containing invisible depth information 
Sub Title (in English)  
Keyword(1) 3D image  
Keyword(2) Depth map  
Keyword(3) Invisible pattern  
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1st Author's Name Sae Isaka  
1st Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. of Tech)
2nd Author's Name Hiroshi Unno  
2nd Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. of Tech)
3rd Author's Name Kazutake Uehira  
3rd Author's Affiliation Kanagawa Institute of Technology (Kanagawa Inst. of Tech)
4th Author's Name Youichi Takashima  
4th Author's Affiliation NTT Service Evolution Laboratories (NTT)
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Speaker Author-1 
Date Time 2013-02-19 14:00:00 
Presentation Time 20 minutes 
Registration for IE 
Paper # ITS2012-54, IE2012-134 
Volume (vol) vol.112 
Number (no) no.433(ITS), no.434(IE) 
Page pp.317-320 
#Pages 4 
Date of Issue 2013-02-11 (ITS, IE) 

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