Paper Abstract and Keywords |
Presentation |
2007-08-07 10:30
Partial-Scrambling in Bitstream Level without Generating Marker Codes for JPEG 2000 Coded Images Tomonori Iida, Masaaki Fujiyoshi, Hitoshi Kiya (Tokyo Metro. Univ.) SIP2007-76 WBS2007-25 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper proposes a partial-scrambling for JPEG 2000 coded images. The proposed method scrambles images by the exchange of the coded codeblocks without decoding. Since the proposed method exchanges coded codeblocks, the code stream length is invariant before and after scrambling. Furthermore, scrambling in the codestream domain require neither decoding nor re-encoding, the proposed method scrambles an image fastly. Moreover, the marker codes that controls and affects image decoding does not appear by the proposed method essentially. The proposed method also serves versatile quality control of a scrambled image by utilizing the layer structure of JPEG 2000 codestream. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Scramble / Image compression / De-scramble / Scalable / Access control / / / |
Reference Info. |
IEICE Tech. Rep., vol. 107, no. 181, SIP2007-76, pp. 25-30, Aug. 2007. |
Paper # |
SIP2007-76 |
Date of Issue |
2007-07-31 (SIP, WBS) |
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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SIP2007-76 WBS2007-25 |
Conference Information |
Committee |
WBS SIP |
Conference Date |
2007-08-06 - 2007-08-07 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Green Hall (2nd fl.), Kochi Green-Kaikan |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
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Paper Information |
Registration To |
SIP |
Conference Code |
2007-08-WBS-SIP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Partial-Scrambling in Bitstream Level without Generating Marker Codes for JPEG 2000 Coded Images |
Sub Title (in English) |
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Keyword(1) |
Scramble |
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Image compression |
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De-scramble |
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Scalable |
Keyword(5) |
Access control |
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1st Author's Name |
Tomonori Iida |
1st Author's Affiliation |
Tokyo Metropolitan University (Tokyo Metro. Univ.) |
2nd Author's Name |
Masaaki Fujiyoshi |
2nd Author's Affiliation |
Tokyo Metropolitan University (Tokyo Metro. Univ.) |
3rd Author's Name |
Hitoshi Kiya |
3rd Author's Affiliation |
Tokyo Metropolitan University (Tokyo Metro. Univ.) |
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Speaker |
Author-1 |
Date Time |
2007-08-07 10:30:00 |
Presentation Time |
25 minutes |
Registration for |
SIP |
Paper # |
SIP2007-76, WBS2007-25 |
Volume (vol) |
vol.107 |
Number (no) |
no.181(SIP), no.183(WBS) |
Page |
pp.25-30 |
#Pages |
6 |
Date of Issue |
2007-07-31 (SIP, WBS) |
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