Paper Abstract and Keywords |
Presentation |
2010-04-26 13:00
Avoidance of Singular Point in Reversible KLT Using Permutation of Signal's Order and Sign Masahiro Iwahashi (Nagaoka Univ. of Tech.), Hitoshi Kiya (Tokyo Metropolitan Univ.) IE2010-5 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper proposes a "reversible" Karhunen Loeve transform (KLT) for de-correlation of color components of image signals. It is composed of reversible two point rotation transforms which have singular points (SP) and their rotation angles change depending on correlation of input signals. When the angle is close to an SP, rounding errors inside the transform are magnified to huge amount. To avoid this problem, permutation of signal's "order" is introduced in an existing method. In this report, we additionally introduce permutation of "sign". We also make it clear that the proposed method can shift SP by 0, 90, 180 or 270 degree so that distance between SP and the rotation angle is maximized. It is confirmed that the proposed method reduces computational cost of determination of the best structure of the reversible KLT. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
error / coding / lossless / KLT / color / reversible / / |
Reference Info. |
IEICE Tech. Rep., vol. 110, no. 22, IE2010-5, pp. 25-30, April 2010. |
Paper # |
IE2010-5 |
Date of Issue |
2010-04-19 (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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IE2010-5 |
Conference Information |
Committee |
IE |
Conference Date |
2010-04-26 - 2010-04-26 |
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(See Japanese page) |
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Paper Information |
Registration To |
IE |
Conference Code |
2010-04-IE |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Avoidance of Singular Point in Reversible KLT Using Permutation of Signal's Order and Sign |
Sub Title (in English) |
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error |
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coding |
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lossless |
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KLT |
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color |
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reversible |
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1st Author's Name |
Masahiro Iwahashi |
1st Author's Affiliation |
Nagaoka University of technology (Nagaoka Univ. of Tech.) |
2nd Author's Name |
Hitoshi Kiya |
2nd Author's Affiliation |
Tokyo Metropolitan University (Tokyo Metropolitan Univ.) |
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Speaker |
Author-1 |
Date Time |
2010-04-26 13:00:00 |
Presentation Time |
25 minutes |
Registration for |
IE |
Paper # |
IE2010-5 |
Volume (vol) |
vol.110 |
Number (no) |
no.22 |
Page |
pp.25-30 |
#Pages |
6 |
Date of Issue |
2010-04-19 (IE) |
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