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Paper Abstract and Keywords
Presentation 2024-09-05 09:50
Investigation of Performance Improvement in DCT-ICA Hybrid Encoding
Ryuta Mikami, Masashi Kameda (Iwate Prefectual Univ.) LOIS2024-19 IE2024-25 EMM2024-75
Abstract (in Japanese) (See Japanese page) 
(in English) DCT-ICA hybrid encoding is a method for efficient encoding of still images, in which DCT is applied to the local features and ICA is applied to the structural features. When using ICA for encoding, it is necessary to reduce the number of ICA basis used for encoding in order to reduce the entropy required to store the ICA basis themselves. In previous studies, performance was improved by narrowing down the number of ICA basis, but since image quality is maximized, it is thought that there is still room for reducing the encode volume. In this paper, we improve performance by emphasizing entropy reduction when entropy is used as the encode amount as an evaluation value.
Keyword (in Japanese) (See Japanese page) 
(in English) Image Encoding / DCT / ICA / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 176, IE2024-25, pp. 41-45, Sept. 2024.
Paper # IE2024-25 
Date of Issue 2024-08-28 (LOIS, IE, EMM) 
ISSN 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 LOIS2024-19 IE2024-25 EMM2024-75

Conference Information
Committee EMM ITE-ME IE LOIS IEE-CMN IPSJ-AVM  
Conference Date 2024-09-04 - 2024-09-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2024-09-EMM-ME-IE-LOIS-CMN-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Performance Improvement in DCT-ICA Hybrid Encoding 
Sub Title (in English)  
Keyword(1) Image Encoding  
Keyword(2) DCT  
Keyword(3) ICA  
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1st Author's Name Ryuta Mikami  
1st Author's Affiliation Iwate Prefectual University (Iwate Prefectual Univ.)
2nd Author's Name Masashi Kameda  
2nd Author's Affiliation Iwate Prefectual University (Iwate Prefectual Univ.)
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Speaker Author-1 
Date Time 2024-09-05 09:50:00 
Presentation Time 20 minutes 
Registration for IE 
Paper # LOIS2024-19, IE2024-25, EMM2024-75 
Volume (vol) vol.124 
Number (no) no.175(LOIS), no.176(IE), no.177(EMM) 
Page pp.41-45 
#Pages 5 
Date of Issue 2024-08-28 (LOIS, IE, EMM) 

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