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MPEG-21 based temporal video adaptation for heterogeneous devices and mobile environments

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2 Author(s)
Iqbal, R. ; Sch. of Inf. Technol. & Eng., Univ. of Ottawa, Ottawa, ON, Canada ; Shirmohammadi, S.

In the era of universal multimedia access (UMA), applications like video conferencing, surveillance and streaming are challenged by the multiplicity of devices. Since adaptation is the newly applied practice for digital video content customization, in this demo, we present a simple approach to adapt H.264 videos, in the compressed domain, for heterogeneous devices and mobile environments. Our approach is in contrast to most existing approaches that do adaptation in a series of cascaded decode/re-encode operations. We show that the adaptation operations can be expedited, using our approach, when adaptation systems are designed to adapt contents according to the encoding structure but in an intermediary node following a codec-independent technique. We present our adaptation system as a utility box where adaptation is performed on-demand based on its generic bitstream syntax description (gBSD), and in compressed domain.

Published in:

Multimedia and Expo, 2009. ICME 2009. IEEE International Conference on

Date of Conference:

June 28 2009-July 3 2009