Quality of experience of adaptive video streaming: investigation in service parameters and subjective quality assessment methodology

Tavakoli, Samira, Brunnström, Kjell, Gutiérrez Sánchez, Jesús ORCID: https://orcid.org/0000-0001-7878-4712 and García Santos, Narciso ORCID: https://orcid.org/0000-0002-0397-894X (2015). Quality of experience of adaptive video streaming: investigation in service parameters and subjective quality assessment methodology. "Signal Processing: Image Communication", v. 39 (n. Part B); pp. 432-442. ISSN 0923-5965. https://doi.org/10.1016/j.image.2015.05.001.

Description

Title: Quality of experience of adaptive video streaming: investigation in service parameters and subjective quality assessment methodology
Author/s:
Item Type: Article
Título de Revista/Publicación: Signal Processing: Image Communication
Date: November 2015
ISSN: 0923-5965
Volume: 39
Subjects:
Freetext Keywords: Adaptive video streaming; Quality of Experience; Time-varying video quality; Subjective evaluation
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Señales, Sistemas y Radiocomunicaciones
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The usage of HTTP adaptive streaming (HAS) has become widely spread in multimedia services. Because it allows the service providers to improve the network resource utilization and user׳s Quality of Experience (QoE). Using this technology, the video playback interruption is reduced since the network and server status in addition to capability of user device, all are taken into account by HAS client to adapt the quality to the current condition. Adaptation can be done using different strategies. In order to provide optimal QoE, the perceptual impact of adaptation strategies from point of view of the user should be studied. However, the time-varying video quality due to the adaptation which usually takes place in a long interval introduces a new type of impairment making the subjective evaluation of adaptive streaming system challenging. The contribution of this paper is two-fold: first, it investigates the testing methodology to evaluate HAS QoE by comparing the subjective experimental outcomes obtained from ACR standardized method and a semi-continuous method developed to evaluate the long sequences. In addition, influence of using audiovisual stimuli to evaluate the video-related impairment is inquired. Second, impact of some of the adaptation technical factors including the quality switching amplitude and chunk size in combination with high range of commercial content type is investigated. The results of this study provide a good insight toward achieving appropriate testing method to evaluate HAS QoE, in addition to designing switching strategies with optimal visual quality.

Funding Projects

Type
Code
Acronym
Leader
Title
Government of Spain
TEC2010-20412
Unspecified
Unspecified
Unspecified
Government of Spain
TEC2013-48453
Unspecified
Unspecified
Unspecified

More information

Item ID: 40733
DC Identifier: https://oa.upm.es/40733/
OAI Identifier: oai:oa.upm.es:40733
DOI: 10.1016/j.image.2015.05.001
Official URL: http://www.sciencedirect.com/science/article/pii/S...
Deposited by: Memoria Investigacion
Deposited on: 06 Jun 2016 18:10
Last Modified: 01 Apr 2023 11:20
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