TAILIEUCHUNG - DISCRETE WAVELET TRANSFORMS BIOMEDICAL APPLICATIONSE

DWTs are constantly used to solve and treat more and more advanced problems. The DWT algorithms were initially based on the compactly supported conjugate quadrature filters (CQFs). However, a drawback in CQFs is due to the nonlinear phase effects such as spatial dislocations in multi-scale analysis. This is avoided in biorthogonal discrete wavelet transform (BDWT) algorithms, where the scaling and wavelet filters are symmetric and linear phase. The biorthogonal filters are usually constructed by a ladder-type network called lifting scheme. Efficient lifting BDWT structures have been developed for microprocessor and VLSI environment. Only integer register shifts and summations are needed for implementation of the analysis and synthesis filters. In. | DISCRETE WAVELET TRANSFORMS -BIOMEDICAL APPLICATIONS Edited by Hannu Olkkonen Discrete Wavelet Transforms - Biomedical Applications Edited by Hannu Olkkonen Published by InTech Janeza Trdine 9 51000 Rijeka Croatia Copyright 2011 InTech All chapters are Open Access articles distributed under the Creative Commons Non Commercial Share Alike Attribution license which permits to copy distribute transmit and adapt the work in any medium so long as the original work is properly cited. After this work has been published by InTech authors have the right to republish it in whole or part in any publication of which they are the author and to make other personal use of the work. Any republication referencing or personal use of the work must explicitly identify the original source. Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published articles. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials instructions methods or ideas contained in the book. Publishing Process Manager Ivana Lorkovic Technical Editor Teodora Smiljanic Cover Designer Jan Hyrat Image Copyright GagarinART 2011. Used under license from First published August 2011 Printed in Croatia A free online edition of this book is available at Additional hard copies can be obtained from orders@ Discrete Wavelet Transforms - Biomedical Applications Edited by Hannu Olkkonen p. cm. ISBN 978-953-307-654-6 ikrrr iJ OPEN ACCESS INI Cvn PUBLISHER INTECH open free online editions of InTech Books and Journals can be found at .

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