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Three Dimensional Scalable Video Adaptation via User-End Perceptual Quality Assessment

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5 Author(s)
Guangtao Zhai ; Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., Shanghai ; Jianfei Cai ; Weisi Lin ; Xiaokang Yang
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For wireless video streaming, the three dimensional scalabilities (spatial, temporal and SNR) provided by the advanced scalable video coding (SVC) technique can be directly utilized to adapt video streams to dynamic wireless network conditions and heterogeneous wireless devices. However, the question is how to optimally trade off among the three dimensional scalabilities so as to maximize the perceived video quality, given the available resource. In this paper, we propose a low-complexity algorithm that executes at resource-limited user end to quantitatively and perceptually assess video quality under different spatial, temporal and SNR combinations. Based on the video quality measures, we further propose an efficient adaptation algorithm, which dynamically adapts scalable video to a suitable three dimension combination. Experimental results demonstrate the effectiveness of our proposed perceptual video adaptation framework.

Published in:

IEEE Transactions on Broadcasting  (Volume:54 ,  Issue: 3 )