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Adaptive delivery of video data over wireless and mobile environments

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>2003
<mark>Journal</mark>Wireless Communications and Mobile Computing
Issue number1
Number of pages14
Pages (from-to)23-36
Publication StatusPublished
<mark>Original language</mark>English


We present an architecture for the adaptable delivery of video data under variable connection characteristics and into devices of variable capabilities. The main application of the proposed architecture is video delivery in wireless and mobile environments. The architecture is based on the Universal Multimedia Access concept and the MPEG-7 standard. Based on the network and the mobile device, as well as constraints imposed by user preferences and the multimedia content, video is delivered through a careful application of a combination of off-line and on-line reductions to the video stream. We present our architecture and describe an implementation of a system based on the architecture. We present basic performance evaluation results to quantify the merit of our approach. Copyright © 2002 John Wiley & Sons, Ltd.