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Paper Abstract and Keywords
Presentation 2012-03-08 14:35
Multidimensional Extension of Weighted Median Cut Quantization for Color Images
Mika Sugiyama, Masaaki Fujiyoshi (Tokyo Metropolitan Univ.), Hiroyuki Kobayashi (Tokyo Metropolitan CIT), Hitoshi Kiya (Tokyo Metropolitan Univ.) CAS2011-116 SIP2011-136 CS2011-108
Abstract (in Japanese) (See Japanese page) 
(in English) This paper firstly describes disadvantages of well-known color quantization methods, namely, median cut and vector quantization, and it, then, proposes a new median cut-based color quantization method based on the weighted median statistics instad of the ordinary median. The proposed method is a multidimensional extension of the weighted median cut-based quantization method which has been proposed for grayscale images. Experimental results show that the proposed method is superior in reducing quantization error to a median cut method and it is simultaneously faster than a vector quantization method.
Keyword (in Japanese) (See Japanese page) 
(in English) color reduction / histogram / palette image / color clustering / nonlinear quantization / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 466, SIP2011-136, pp. 55-60, March 2012.
Paper # SIP2011-136 
Date of Issue 2012-03-01 (CAS, SIP, CS) 
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)
Download PDF CAS2011-116 SIP2011-136 CS2011-108

Conference Information
Committee CAS CS SIP  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Niigata 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2012-03-CAS-CS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multidimensional Extension of Weighted Median Cut Quantization for Color Images 
Sub Title (in English)  
Keyword(1) color reduction  
Keyword(2) histogram  
Keyword(3) palette image  
Keyword(4) color clustering  
Keyword(5) nonlinear quantization  
1st Author's Name Mika Sugiyama  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Masaaki Fujiyoshi  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
3rd Author's Name Hiroyuki Kobayashi  
3rd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (Tokyo Metropolitan CIT)
4th Author's Name Hitoshi Kiya  
4th Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2012-03-08 14:35:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2011-116, SIP2011-136, CS2011-108 
Volume (vol) vol.111 
Number (no) no.465(CAS), no.466(SIP), no.467(CS) 
Page pp.55-60 
Date of Issue 2012-03-01 (CAS, SIP, CS) 

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