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Title: Perceptual quality assessment on B-D tradeoff of P2P assisted layered video streaming
Author(s): Chiu, Dah Ming 
Author(s): Wang, J.
Fu, T. Z. J.
Lei, Z.
Issue Date: 2011
Publisher: IEEE
Related Publication(s): Proceedings of the Visual Communications and Image Processing (VCIP 2011)
Start page: 519
End page: 522
In this paper, we study the impact of the image quality (hence, the video streaming bit-rate) and the chunk-level impairment (hence the playback discontinuity) on the perceptual assessment of the viewing experience of P2P layered video streaming services. Through subjective QoE experiments, we have obtained several interesting findings and useful insights. The results clearly reveal the tradeoffs between streaming bit-rate (B) and discontinuity (D) on the MOS under certain network condition. It is also showed that B-D tradeoff pattern is video content dependant. Based on these observations, a heuristic model is proposed to derive a group of MOS contours. This type of contours have practical usage and can help selecting suitable video streaming bit-rate (layer) for playback so as to maximize the perceptual QoE of the end users.
DOI: 10.1109/VCIP.2011.6115961
CIHE Affiliated Publication: No
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