OPTIMIZED SCALABLE MULTIPLE-DESCRIPTION CODING AND FEC-BASED JOINT SOURCE-CHANNEL CODING: A PERFORMANCE COMPARISON

被引：0
|
作者：
Stoufs, Maryse R. [1 ]
Munteanu, Adrian [1 ]
Barbarien, Joeri [1 ]
Cornelis, Jan [1 ]
Schelkens, Peter [1 ]
机构：
[1] IBBT, Dept Elect & Informat ETRO, B-1050 Brussels, Belgium
来源：
2009 10TH INTERNATIONAL WORKSHOP ON IMAGE ANALYSIS FOR MULTIMEDIA INTERACTIVE SERVICES | 2009年
关键词：
Scalable source coding; multiple description coding; forward error correction; error resilience;
D O I：
10.1109/WIAMIS.2009.5031435
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes an optimized, low-complexity methodology that combines Joint Source-Channel Coding (JSCC) based on Forward Error Correction (FEC) coding and scalable Multiple Description Coding (MDC) mechanisms for error-resilient data transmission over error-prone packet-based channels. Additionally, we report a comparative theoretical analysis between (i) MDC, and FEC-based scalable JSCC for sources encoded using (ii) Single Description Coding (SDC) and (iii) MDC. Our analysis assumes ideal source coders that can achieve the theoretical performance bounds for a Gaussian source. This source model is independent of the actual implementation and therefore allows to draw conclusions on the theoretical performance of these approaches and to determine which methodology should be employed in specific transmission scenarios.
引用
收藏
页码：73 / 76
页数：4
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