Paper Abstract and Keywords |
Presentation |
2007-11-30 13:10
A method of JPEG compression on artifact image using POCS Takashi Masuda, Naoyuki Aikawa (Nihon Univ.) IE2007-105 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
The JPEG standard is one of the most popular image compression schemes today.
However, a major drawback of JPEG is that the compressed image exhibit visually annoying blocking, mosquito noise and ringing artifats, especially at high commpression ratio. Mosquito noise is typically seen when a sharp edge separating two uniform regions occurs within a block.
In this paper, we propose a method of reducing distortion of near edge by making small steep change of the luminosity ingredient leading to a mosquito noise. Moreover, we ease deterioration of visual quality by adding compensation to the image using the theory of projections onto convex sets (POCS).
Computer simulatios show that the proposed method could achieve a smaller file size compared with some other methods.
This approach is easy to implement and is fully compatible with the existing JPEG standard and enables reaal-time application. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
JPEG / POCS / file size reduction / luminosity compensation / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 107, no. 358, IE2007-105, pp. 83-87, Nov. 2007. |
Paper # |
IE2007-105 |
Date of Issue |
2007-11-22 (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) |
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IE2007-105 |
Conference Information |
Committee |
IE ITE-BCT ITE-ME ITE-AIT |
Conference Date |
2007-11-29 - 2007-11-30 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Saga University |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
IE |
Conference Code |
2007-11-IE-ITE-BCT-ITE-ME-ITE-CG |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A method of JPEG compression on artifact image using POCS |
Sub Title (in English) |
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Keyword(1) |
JPEG |
Keyword(2) |
POCS |
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file size reduction |
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luminosity compensation |
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1st Author's Name |
Takashi Masuda |
1st Author's Affiliation |
Nihon University (Nihon Univ.) |
2nd Author's Name |
Naoyuki Aikawa |
2nd Author's Affiliation |
Nihon University (Nihon Univ.) |
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Speaker |
Author-1 |
Date Time |
2007-11-30 13:10:00 |
Presentation Time |
25 minutes |
Registration for |
IE |
Paper # |
IE2007-105 |
Volume (vol) |
vol.107 |
Number (no) |
no.358 |
Page |
pp.83-87 |
#Pages |
5 |
Date of Issue |
2007-11-22 (IE) |
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