Quadtree-based classification in subband image coding

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Title Quadtree-based classification in subband image coding
Author Golchin, Farshid; Paliwal, Kuldip Kumar
Journal Name Digital Signal Processing
Year Published 2003
Place of publication U.S.A.
Publisher Academic Press
Abstract Classification of blocks of subband samples according to their energy and variable bit allocation within the subsequent classes has demonstrated considerable gains in coding efficiency. The gains due to classification increase as smaller blocks are used; however, this increases the overheads for transmitting the classification information. In this paper, a quadtree based method is proposed. This method allows for more efficient classification by using variable-sized blocks in order to maximize the classification gain, while maintaining a limit on the classification overheads. This method is applied for subband coding of images and the results indicate that it performs better than the other methods currently available in the literature.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/622818/description#description
Alternative URI http://dx.doi.org/10.1016/S1051-2004(03)00020-4
Copyright Statement Copyright 2003 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links.
Volume 13
Page from 656
Page to 668
ISSN 1051-2004
Date Accessioned 2004-03-19
Language en_AU
Research Centre Institute for Integrated and Intelligent Systems
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Image Processing
URI http://hdl.handle.net/10072/5925
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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