On the trajectory of video quality transition in HTTP adaptive video streaming

Sani, Yusuf and Mauthe, Andreas Ulrich and Edwards, Christopher James (2018) On the trajectory of video quality transition in HTTP adaptive video streaming. Multimedia Systems, 24 (3). pp. 327-340. ISSN 0942-4962

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Abstract

HTTP adaptive video streaming matches video quality to the capacity of a changing context. A variety of schemes that rely on buffer state dynamics for video rate selection have been proposed. However, these schemes are predominantly based on heuristics, and appropriate models describing the relationship between video rate and buffer levels have not received sufficient attention. In this paper, we present a QoE-aware video rate evolution model based on buffer state changes. The scheme is evaluated within a real-world Internet environment. The results of an extensive evaluation show an improvement in the stability, average video rate and system utilisation, while at the same time a reduction in the start-up delay and convergence time is achieved by the modified players.

Item Type:
Journal Article
Journal or Publication Title:
Multimedia Systems
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1700/1710
Subjects:
ID Code:
86879
Deposited By:
Deposited On:
28 Jun 2017 14:14
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 10:22