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Design of Encoder for Two-Dimensional Laplace Source QuantizerZoran H. PERIC, Milan GRUJIC, Srdjan BOGOSAVLJEVIC |
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Author keywords
uniform quantization, two-dimensional Laplace source, granular distortion, total distortion, encoder, design of encoder
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About this article
Date of Publication: 2003-04-02
Volume 3, Issue 2, Year 2003, On page(s): 6 - 11
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: Not assigned
Abstract
In this paper simple and complete asymptotical analysis is given for a piecewise uniform product two-dimensional Laplace source quantizer (PUPTDLSQ) with respect to mean-square error (mse). It is given one than possible constructions of encoder for same quantizer, too. PUPTDLSQ is based on uniform product two-dimensional Laplace source quantizers. Product quantizer optimality conditions and all main equation for a number of phase divisions and optimal number of levels for each partition are presented. These systems, although not optimal, may have asymptotic performance arbitrarily close to the optimum. PUPTDLSQ has complexity implementation between optimal nonuniform quantization (NQ) and uniform product quantization (UPQ). Further more, their analysis and implementation can be simpler than those of optimal systems. |
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
