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QoE rating performance evaluation of ITU-T recommended video quality metrics in the context of video freezes
Blekinge Tekniska Högskola, Fakulteten för datavetenskaper, Institutionen för kommunikationssystem.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för tillämpad signalbehandling.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för tillämpad signalbehandling.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för tillämpad signalbehandling.
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2016 (engelsk)Inngår i: Australian Journal of Electrical and Electronics Engineering, ISSN 1448-837X, Vol. 13, nr 2, s. 122-131Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In real-time video streaming, video quality can be degraded due to network performance issues. Among other artefacts, video freezing and video jumping are factors that influence user experience. Service providers, operators and manufacturers are interested in evaluating the quality of experience (QoE) objectively because subjective assessment of QoE is expensive and, in many user cases, subjective assessment is not possible to perform. Different algorithms have been proposed and implemented in this regard. Some of them are in the recommendation list of the ITU Telecommunication Standardization Sector (ITU-T). In this paper, we study the effect of the freezing artefact on user experience and compare the mean opinion score of these videos with the results of two algorithms, the perceptual evaluation of video quality (PEVQ) and temporal quality metric (TQM). Both metrics are part of the ITU-T Recommendation J.247 Annex B and C. PEVQ is a full-reference video quality metric, whereas TQM is a no-reference quality metric. Another contribution of this paper is the study of the impact of different resolutions and frame rates on user experience and how accurately PEVQ and TQM measure varying frame rates.

sted, utgiver, år, opplag, sider
Taylor & Francis, 2016. Vol. 13, nr 2, s. 122-131
Emneord [en]
Freezing; Image quality; Quality of service; Video signal processing; Video streaming, Objective video quality; Quality of experience (QoE); Subjective video quality; Temporal quality; Video quality, Quality control
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Identifikatorer
URN: urn:nbn:se:bth-13135DOI: 10.1080/1448837X.2015.1094855Scopus ID: 2-s2.0-84965031048OAI: oai:DiVA.org:bth-13135DiVA, id: diva2:1017164
Tilgjengelig fra: 2016-10-04 Laget: 2016-10-03 Sist oppdatert: 2016-12-19bibliografisk kontrollert

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Minhas, Tahir NawazShahid, MuhammadLövström, BennyRossholm, AndreasZepernick, Hans-JürgenFiedler, Markus

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