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Embedded Zerotree Wavelet Coding Based On Multiple Description  

Eom, Il-Gyu (Dept.of Information Communication Engineering, Miryang National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.39, no.3, 2002 , pp. 42-48 More about this Journal
Abstract
Multiple description coding Is source coding for multiple channels such that a decoder which receives an arbitrary subset of the channels may produce a useful reconstruction. This paper presents an efficient multiple description coder using a newly designed EZW coding method. We first propose EZW coder which has expanded threshold and two subordinate passes. And then we present multiple description coder which has two coding channels using the proposed EZW coders. To evaluate the performance of the proposed coder, we provide an image coding applications with two descriptions and compare multiple description image coding results reported to date. Simulation results show that the proposed method has a better performance than the polyphase transform method.
Keywords
Multiple Description Coding; Embedded Zerotree Wavelet; Threshold Overlap; Threshold Expansion; Error Resilient;
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