Motion video coding for packet-switching networks: an integrated approach

Michael Gilge; Riccardo Gusella

doi:10.1117/12.50241

1 November 1991 Motion video coding for packet-switching networks: an integrated approach

Michael Gilge, Riccardo Gusella

Proceedings Volume 1605, Visual Communications and Image Processing '91: Visual Communication; (1991) https://doi.org/10.1117/12.50241
Event: Visual Communications, '91, 1991, Boston, MA, United States

Abstract

The advantages of packet video, constant image quality, service integration and statistical multiplexing, are overshadowed by packet loss, delay and jitter. By integrating network-control into the image data compression algorithm, the strong interactions between the coder and the network can be exploited and the available network bandwidth can be used best. In order to enable video transmission over today’s networks without reservation or priorities and in the presence of high packet loss rates, congestion avoidance techniques need to be employed. This is achieved through rate and flow control, where feedback from the network is used to adapt coding parameters and vary the output rate. From the coding point of view the network is seen as data buffer. Analogously to constant bit rate applications, where a controller measures buffer fullness, we attempt to avoid network congestion (eq. buffer overflow) by monitoring the network and adapting the coding parameters in real-time

Citation Download Citation

Michael Gilge and Riccardo Gusella "Motion video coding for packet-switching networks: an integrated approach", Proc. SPIE 1605, Visual Communications and Image Processing '91: Visual Communication, (1 November 1991); https://doi.org/10.1117/12.50241

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