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Presentation 2021-06-11 11:50
A Study on Image Compression Method based on Color Quantization Method by Sigma-Delta Cellular Neural Network
Fumitoshi Nakashima, Yuka Ito, Ai Mizuno (Chukyo Univ.), Ryohei Mizutani (YAMAZAKI MAZAK), Misa Fujita (Chukyo Univ.), Tsuyoshi Otake (Tamagawa Univ), Hisashi Aomori (Chukyo Univ.) NLP2021-5 CCS2021-5
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, Web services have become common and their use has been widespread.
The PNG image format is basically used in Web services, however its compression rate is lower than that of conventional JPEG images.
Therefore reducing data size of PNG images is very important.
However, replaceing PNG images with JPEG images is very difficult task since
transparent colors, which are useful to make userinterface of Web services, are only supported by the PNG format. Therefore PNG images are generally compressed by color reduction.
In this study, we propose a new image compression method by color reduction using a sigma-delta type cellular neural network (SD-CNN) based on brain-type information processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Color Quantization / Sigma-Delta Cellular Neural Network / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 61, NLP2021-5, pp. 20-23, June 2021.
Paper # NLP2021-5 
Date of Issue 2021-06-04 (NLP, CCS) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 NLP CCS  
Conference Date 2021-06-11 - 2021-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NLP 
Conference Code 2021-06-NLP-CCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Image Compression Method based on Color Quantization Method by Sigma-Delta Cellular Neural Network 
Sub Title (in English)  
Keyword(1) Color Quantization  
Keyword(2) Sigma-Delta Cellular Neural Network  
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1st Author's Name Fumitoshi Nakashima  
1st Author's Affiliation Chukyo University (Chukyo Univ.)
2nd Author's Name Yuka Ito  
2nd Author's Affiliation Chukyo University (Chukyo Univ.)
3rd Author's Name Ai Mizuno  
3rd Author's Affiliation Chukyo University (Chukyo Univ.)
4th Author's Name Ryohei Mizutani  
4th Author's Affiliation YAMAZAKI MAZAK CORPORATION (YAMAZAKI MAZAK)
5th Author's Name Misa Fujita  
5th Author's Affiliation Chukyo University (Chukyo Univ.)
6th Author's Name Tsuyoshi Otake  
6th Author's Affiliation Tamagawa University (Tamagawa Univ)
7th Author's Name Hisashi Aomori  
7th Author's Affiliation Chukyo University (Chukyo Univ.)
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Speaker Author-7 
Date Time 2021-06-11 11:50:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2021-5, CCS2021-5 
Volume (vol) vol.121 
Number (no) no.61(NLP), no.62(CCS) 
Page pp.20-23 
#Pages
Date of Issue 2021-06-04 (NLP, CCS) 


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