Abstract
This paper studies the perceptual quality of video streams over lossy wireless networks. The focus is on investigating the impact on the perceived video quality of both physical error impairments and packet losses due to network congestion, by using objective and subjective evaluation methods. Extensive video quality assessments have shown that packet losses due to congestion are more severe than packet losses due to the physical error on the objective video quality. Furthermore, the comparison of MOS among different spatial resolution video sequences of the same bit rate indicates that a better perceived video quality can be achieved for lower resolution when the network is characterized by both high BER and network load.
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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Politis, I., Tsagkaropoulos, M., Dagiuklas, T., Dounis, L. (2012). On Measuring the Perceptual Quality of Video Streams over Lossy Wireless Networks. In: Atzori, L., Delgado, J., Giusto, D. (eds) Mobile Multimedia Communications. MobiMedia 2011. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 79. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30419-4_4
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DOI: https://doi.org/10.1007/978-3-642-30419-4_4
Publisher Name: Springer, Berlin, Heidelberg
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