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Oliver Hohlfeld's Publications

Impact of Frame Rate and Resolution on Objective QoE Metrics
Citation key ZAHH-IFRROQM-10
Author Zinner, Thomas and Abboud, Osama and Hohlfeld, Oliver and HoƟfeld, Tobias
Title of Book Proceedings of the Second International Workshop on Quality of Multimedia Experience (QoMEX '10)
Pages 29–34
Year 2010
ISBN 978-1-4244-6959-8
DOI http://dx.doi.org/10.1109/QOMEX.2010.5518277
Location Trondheim, Norway
Address New York, NY, USA
Month June
Publisher IEEE
Abstract 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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