Joint wavelet-based coding and packetization for video transport over packet-switched networks

Hung-ju Lee

doi:10.1117/12.233274

27 February 1996 Joint wavelet-based coding and packetization for video transport over packet-switched networks

Hung-ju Lee

Proceedings Volume 2727, Visual Communications and Image Processing '96; (1996) https://doi.org/10.1117/12.233274
Event: Visual Communications and Image Processing '96, 1996, Orlando, FL, United States

Abstract

In recent years, wavelet theory applied to image, and audio and video compression has been extensively studied. However, only gaining compression ratio without considering the underlying networking systems is unrealistic, especially for multimedia applications over networks. In this paper, we present an integrated approach, which attempts to preserve the advantages of wavelet-based image coding scheme and to provide robustness to a certain extent for lost packets over packet-switched networks. Two different packetization schemes, called the intrablock-oriented (IAB) and interblock-oriented (IRB) schemes, in conjunction with wavelet-based coding, are presented. Our approach is evaluated under two different packet loss models with various packet loss probabilities through simulations which are driven by real video sequences.

Citation Download Citation

Hung-ju Lee "Joint wavelet-based coding and packetization for video transport over packet-switched networks", Proc. SPIE 2727, Visual Communications and Image Processing '96, (27 February 1996); https://doi.org/10.1117/12.233274

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