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Shaping of video traffic to optimise QoS and network performance

Dagiuklas, A and Tye, BJ and Ghanbari, M (1996) 'Shaping of video traffic to optimise QoS and network performance.' In: Kouvatsos, D, (ed.) ATM Networks. Performance Modelling and Evaluation. Volume 2. IFIP Advances in Information and Communication Technology . Springer, Boston, MA, 358 - 377. ISBN 978-1-5041-2902-2

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A method of shaping the video traffic within the video encoder is proposed. At the intraframe coded frames, where the maximum number of bits are generated, the coder constrains its generated bit rate through a leaky bucket mechanism. A sliding window is also used to maximise network utilisation without violating any of the traffic parameters declared at the call set-up. The impact of the shaping mechanism on both coding and network performance are studied. It is shown that for video sequences with scene cuts, shaping the video traffic under a certain peak-to-mean ratio optimises both network performance and perceived image quality.

Item Type: Book Section
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 07 Aug 2019 12:36
Last Modified: 07 Aug 2019 13:15

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