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Paper Abstract and Keywords
Presentation 2010-12-03 10:00
Hierarchal Predefined Codebook for High-Frequency Component Estimation and Its Application to Image Enlargement
Hakaru Tamukoh (Tokyo Univ. of Agr and Tech.), Hideaki Kawano (Kyushu Inst. of Tech.), Noriaki Suetake (Yamaguchi Univ.), Masatoshi Sekine (Tokyo Univ. of Agr and Tech.), Byungki Cha, Takashi Aso (Kyushu Inst. of Info. Sci.) SIS2010-48
Abstract (in Japanese) (See Japanese page) 
(in English) A high-quality image enlargement is achieved by an estimation of high-frequency components.
We have proposed a pre-defined codebook, which consists of a relationship of high- and low-frequency image components,
for the high-quality image enlargement method.

In this paper, we propose a hierarchal predefined codebook which achieves a fast calculation, a hardware area reduction and a high-quality image enlargement.
In the proposed method, we generate a 3-layered hierarchal structured codebook from predefined 1,904 code words.
Experimental results show that the proposed method is 40 times faster than the ordinary method, without an image degradation.
We also show a possibility of hardware implementation of the proposed method based on the experimental result.
Keyword (in Japanese) (See Japanese page) 
(in English) image enlargement / codebook / local edge patterns / FPGA / digital hardware / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 322, SIS2010-48, pp. 77-82, Dec. 2010.
Paper # SIS2010-48 
Date of Issue 2010-11-25 (SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 SIS  
Conference Date 2010-12-02 - 2010-12-03 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2010-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hierarchal Predefined Codebook for High-Frequency Component Estimation and Its Application to Image Enlargement 
Sub Title (in English)  
Keyword(1) image enlargement  
Keyword(2) codebook  
Keyword(3) local edge patterns  
Keyword(4) FPGA  
Keyword(5) digital hardware  
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1st Author's Name Hakaru Tamukoh  
1st Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
2nd Author's Name Hideaki Kawano  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
3rd Author's Name Noriaki Suetake  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Masatoshi Sekine  
4th Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
5th Author's Name Byungki Cha  
5th Author's Affiliation Kyushu Institute of Information Sciences (Kyushu Inst. of Info. Sci.)
6th Author's Name Takashi Aso  
6th Author's Affiliation Kyushu Institute of Information Sciences (Kyushu Inst. of Info. Sci.)
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Speaker
Date Time 2010-12-03 10:00:00 
Presentation Time 25 
Registration for SIS 
Paper # IEICE-SIS2010-48 
Volume (vol) IEICE-110 
Number (no) no.322 
Page pp.77-82 
#Pages IEICE-6 
Date of Issue IEICE-SIS-2010-11-25 


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