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A packet discard scheme for loss control in IP networks with MPEG video traffic

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2 Author(s)
Ito, M.R. ; Dept. of Electr. & Comput. Eng., British Columbia Univ., Canada ; Bai, Y.

An important issue for video transmission over IP networks is preservation of perceived video quality despite packet loss. Packet loss can be detrimental to compressed video. However, reducing packet loss to a very low level is difficult with current loss control techniques. Furthermore, even a very low objective loss probability can still seriously distort perceived video quality. This paper proposes a loss control scheme using video characteristics. It increases maximum loss tolerance for a desired level of video quality, providing better quality at equal loss ratios, as compared to a conventional packet discard scheme. Meanwhile, network efficiency is also improved.

Published in:

Communication Systems, 2002. ICCS 2002. The 8th International Conference on  (Volume:1 )

Date of Conference:

25-28 Nov. 2002