Performance Analysis and Comparison of Non-embedded and Embedded Wavelet Coders
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概要
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In this paper, we analyze wavelet-based coding in a rate-distortion (R-D) sense by using Laplacian and Markov models and verify the results with the performance of the typical embedded coders, EZW and SPIHT, and the non-embedded coder implemented here. Laplacian represents the probability density function (pdf) of wavelet coefficients and Markov statistical dependency within and among subbands. The models allow us to easily understand the behavior of a thresholding and quantization part and a lossless coding part and associate the embedded coders with the nonembedded coder, which is the point the paper approaches. The analytic results are shown to coincide well with the actual coding results.
- 2003-06-01
著者
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Kim Nam
Department Of Microbiology And Institute Of Biomedical Science Hanyang University College Of Medicin
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SO Hyun
Department of Physiology, College of Medicine, Institute of Biomedical Science and Technology, Konku
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So Hyun
Department Of Electronic Engineering Kyungpook National University
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Koh Jong
Kt Corp.
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JUNG Young
LG Electronics Inc.
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Kim Nam
Department Of Electronic Engineering Kyungpook National University
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Kim Nam
Department Of Dermatology Ajou University School Of Medicine
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Kim Nam
Department Of Computer & Communication Eng. Chungbuk National Univ.
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Kim Nam
Department Of Animal Science Chungbuk National University
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KIM Nam
Department of Anesthesia and Pain Medicine, School of Medicine, Pusan National University
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