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Oliver Hohlfeld's Publications

Impact of Frame Rate and Resolution on Objective QoE Metrics
Zitatschlüssel ZAHH-IFRROQM-10
Autor Zinner, Thomas and Abboud, Osama and Hohlfeld, Oliver and Hoßfeld, Tobias
Buchtitel Proceedings of the Second International Workshop on Quality of Multimedia Experience (QoMEX '10)
Seiten 29–34
Jahr 2010
ISBN 978-1-4244-6959-8
DOI http://dx.doi.org/10.1109/QOMEX.2010.5518277
Ort Trondheim, Norway
Adresse New York, NY, USA
Monat June
Verlag IEEE
Zusammenfassung Video streaming applications are a major driver for the evolution of the future Internet. In this paper we introduce a framework for QoE management for video streaming systems based on the H.264/SVC codec, the scalable extension of H.264/AVC. A relevant feature is to control the user perceived quality of experience (QoE) by exploiting parameters offered by SVC. A proper design of a control mechanism requires the quantification of the main influence parameters on the QoE. For this purpose, we conducted a measurement study and quantified the influence of i) video resolution, ii) scaling method, iii) video frame rate and iv) video content types on the QoE by means of the SSIM and VQM full-reference metrics. Further, we discuss the trade-off between these different control knobs and their influence on the QoE.
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