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Rate control feedback mechanism for packet video networks

Rate control feedback mechanism for packet video networks

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The authors incorporate a newly proposed rate control feedback mechanism (RCFM) in an H.263 video coder. RCFM adapts to network conditions to locally drop video packets and then discard corresponding macroblocks (MBs) from any further prediction process. The proposed RCFM regulates the output bitrate of an H.263 codec while keeping all encoder parameters fixed and maintaining a good QoS.

References

    1. 1)
      • Bolot, J.C., Turletti, T.: `A rate control mechanism for packet video in theInternet', Proc. IEEE Infocom' 94, June 1994, 3, Toronto, Canada, p. 1216–1223.
    2. 2)
      • M. Wada . Selective recovery of video packet loss using error concealment. IEEE J. Selected Areas Commun. , 5 , 807 - 814
    3. 3)
      • B. Maglaris , D. Anastassiou , D. Sen , G. Karlsson , J.D. Robbins . Performance modelsof statistical multiplexing in packet video communications. IEEE Trans. Commun. , 7 , 834 - 844
    4. 4)
      • Draft ITU-T Recommendation H.263: Video coding for low bitratecommunication, July 1995.
    5. 5)
      • TMN5 : Video codec test model, Telenor, Norway, January1995.
    6. 6)
      • Recommendation H.261: Video codec for audiovisual servicesat p*64 Kb/s.CCITT White Book, 1990.
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