Optimized packet interleaving for streaming applications on burst-lossy channels

Yi Zhao; Honglin Li; Stanley C. Ahalt

doi:10.1117/12.542948

15 July 2004 Optimized packet interleaving for streaming applications on burst-lossy channels

Yi Zhao, Honglin Li, Stanley C. Ahalt

Proceedings Volume 5438, Visual Information Processing XIII; (2004) https://doi.org/10.1117/12.542948
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Burst packet loss imposes significant quality degradation for streaming applications. Interleaving, which helps reduce the probability of losing adjacent packets, is considered an effective method to mitigate burst errors. Most current research on wavelet image/video streaming is focused on how to maximize the interleaving effect in the spatial or spatial-frequency domain. However, in order to achieve the best video quality, optimizing temporal interleaving is very important, especially when error concealment is present in the streaming system because an inappropriate interleaving method may have an adverse effect on error concealment. Optimization of temporal interleaving on wavelet-compressed image/video streaming has not been previously studied. In this paper a novel optimal packet interleaving method is proposed for streaming applications on burst-loss channels. The objective is to achieve the best video quality at the receiver given an error-concealment algorithm and the channel traffic conditions. The proposed method consists of two steps: 1) spatial interleaving is conducted during packetization to disperse damage resulting from packet loss; 2) temporal interleaving is applied during transmission maximize the effect of error concealment at the receiver. In addition, a new concept that addresses the needs of error concealment, namely "temporal neighbor packet distance" is defined in order to facilitate the optimization. A low computational complexity algorithm is developed to satisfy the requirement of real-time transmission. Experimental results show that our proposed method can consistently improve the effects of error concealment.

Citation Download Citation

Yi Zhao, Honglin Li, and Stanley C. Ahalt "Optimized packet interleaving for streaming applications on burst-lossy channels", Proc. SPIE 5438, Visual Information Processing XIII, (15 July 2004); https://doi.org/10.1117/12.542948

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KEYWORDS

Error analysis

Wavelets

Error control coding

Receivers

Video

Image quality

Algorithm development

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