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http://dx.doi.org/10.5909/JBE.2008.13.4.440

Research for measuring degradation of IPTV-serviced videos  

Kim, Won-Jun (Information and Communications University)
Kim, Chang-Ick (Information and Communications University)
Kim, Jin-Sul (Electronics and Telecommunications Research Institute)
Lee, Hyun-Woo (Electronics and Telecommunications Research Institute)
Ryu, Won (Electronics and Telecommunications Research Institute)
Publication Information
Journal of Broadcast Engineering / v.13, no.4, 2008 , pp. 440-451 More about this Journal
Abstract
With the advent of IP-based multimedia service based on IP network, there is a rapidly increasing demand for IPTV. Unlike the previous coaxial cable based TV, IPTV provides a variety of convergence services based on IP newark. However, since the IPTV service quality is a lot affected by the network degradation such as packet loss and jitter, it may not be guaranteed. In this paper, we propose an objective measure for various degradations of IPTV-based videos considering subjective assessment. To this end, we first determine QoE(Quality of Experience) indicators, which can affect human visual perception. Then we develop the video quality metric for each QoE indicator. Subjective assessment based on MOS is conducted and used to construct mapping relationship between each measure and perceived visual quality. Experiments are performed on various videos to confirm the efficiency and robustness of the proposed method and show high correlation with subjective assessment.
Keywords
IPTV; Network degradation; QoE indicator; Video quality metric; Subjective assessment;
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Times Cited By KSCI : 2  (Citation Analysis)
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