Scalable, Wavelet-Based Video: From Server to Hardware-Accelerated Client

Authors:
H. Eeckhaut;H. Devos;P. Lambert;D. De Schrijver;W. Van Lancker;V. Nollet;P. Avasare;T. Clerckx;F. Verdicchio;M. Christiaens;P. Schelkens;R. Van de Walle;D. Stroobandt
Affiliations:
Ghent Univ., Ghent;-;-;-;-;-;-;-;-;-;-;-;-
Venue:
IEEE Transactions on Multimedia
Year:
2007

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Abstract

Video source, carrier and client diversification have led the video coding community to develop scalable video codecs supporting efficient decoding at varying resolution, frame rate and quality. Scalable video has several advantages over a nonscalable approach, but a large scale deployment is far from trivial and a lot of open questions remain. To resolve these, we developed a complete video delivery chain for scalable wavelet-based video. This includes a video server, a negotiation framework, a video scaling infrastructure and two scalable video clients, one pure software client and one real-time, hardware accelerated client. This paper describes the complete chain and identifies and quantifies the impact of using scalable video in every link of this chain.