Publikation: Practical channel-adaptive video streaming with fountain codes
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2008
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2008 Third International Conference on Pervasive Computing and Applications. IEEE, 2008, pp. 351-355. ISBN 978-1-4244-2020-9. Available under: doi: 10.1109/ICPCA.2008.4783608
Zusammenfassung
Video streaming is sensitive to packet loss, which can severely damage the quality of the received video. Video communication systems that rely on application-layer forward error correction (FEC) to combat packet loss are particularly suitable for pervasive computing because they can be used on top of any existing network architecture. However, since in heterogeneous environments network conditions are unpredictable, determining the right amount of redundancy introduced by the channel encoder is not obvious. This paper presents a practical implementation of a unicast video streaming system that solves this problem by using a rateless code and receiver feedback. In real simulations over the Internet our solution outperformed a standard approach based on fixed-rate forward error correction. For an Internet connection Konstanz-Beijing- Konstanz and the standard Foreman sequence compressed with the H.264 video coder, the gain in average peak signal to noise ratio exceeded 3.5 decibels at 90 kilobits per second.
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2008 Third International Conference on Pervasive Computing and Applications (ICPCA), 6. Okt. 2008 - 8. Okt. 2008, Alexandria, Egypt
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AHMAD, Shakeel, Raouf HAMZAOUI, Marwan AL-AKAIDI, 2008. Practical channel-adaptive video streaming with fountain codes. 2008 Third International Conference on Pervasive Computing and Applications (ICPCA). Alexandria, Egypt, 6. Okt. 2008 - 8. Okt. 2008. In: 2008 Third International Conference on Pervasive Computing and Applications. IEEE, 2008, pp. 351-355. ISBN 978-1-4244-2020-9. Available under: doi: 10.1109/ICPCA.2008.4783608BibTex
@inproceedings{Ahmad2008-10Pract-2973,
year={2008},
doi={10.1109/ICPCA.2008.4783608},
title={Practical channel-adaptive video streaming with fountain codes},
isbn={978-1-4244-2020-9},
publisher={IEEE},
booktitle={2008 Third International Conference on Pervasive Computing and Applications},
pages={351--355},
author={Ahmad, Shakeel and Hamzaoui, Raouf and Al-Akaidi, Marwan}
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<dcterms:abstract xml:lang="eng">Video streaming is sensitive to packet loss, which can severely damage the quality of the received video. Video communication systems that rely on application-layer forward error correction (FEC) to combat packet loss are particularly suitable for pervasive computing because they can be used on top of any existing network architecture. However, since in heterogeneous environments network conditions are unpredictable, determining the right amount of redundancy introduced by the channel encoder is not obvious. This paper presents a practical implementation of a unicast video streaming system that solves this problem by using a rateless code and receiver feedback. In real simulations over the Internet our solution outperformed a standard approach based on fixed-rate forward error correction. For an Internet connection Konstanz-Beijing- Konstanz and the standard Foreman sequence compressed with the H.264 video coder, the gain in average peak signal to noise ratio exceeded 3.5 decibels at 90 kilobits per second.</dcterms:abstract>
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