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Extension of the G.1070 video quality function for the MPEG2 video codec

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2 Author(s)
Benjamin Belmudez ; Quality and Usability Lab, Deutsche Telekom Laboratories, TU Berlin, Ersnt Reuter Platz 7, 10583, Germany ; Sebastian Möller

Videotelephony over IP (Internet Protocol) is one of the promising applications which is broadly used in the next-generation network (NGN). To design and assess the quality of experience (QoE), a parametric opinion model for video-telephony applications standardized in ITU-T Rec. G.1070 has been developed to predict the multimedia (speech and video) quality both in a passive and an interactive context. This model defines a multimedia quality integration function which depends on a speech score given by the E-model and a video score predicted by a video quality estimation function. This last function has been validated through subjective experiments for different video codecs and image formats. We present here a new analysis of the video quality estimation function with respect to the influence of the video codec on the basis of a subjective test and propose for the first time a set of parameters for the MPEG2 codec in order to extend the use of the G.1070 model.

Published in:

Quality of Multimedia Experience (QoMEX), 2010 Second International Workshop on

Date of Conference:

21-23 June 2010