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Efficient Video Quality Assessment Along Temporal Trajectories

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2 Author(s)
Moorthy, A.K. ; Dept. of Electr. & Comput. Eng., Univ. of Texas, Austin, TX, USA ; Bovik, A.C.

We propose a new video quality assessment (VQA) algorithm - the motion compensated structural similarity index - that assesses not only spatial quality but also quality along temporal trajectories. Drawing inspiration from the motion-compensated approach followed for video compression, we propose a motion-compensated approach to temporal quality assessment. The proposed algorithm is computationally efficient as compared to other VQA algorithms that utilize motion information from extracted optical flow and correlates well with human perception of quality. In order to exemplify the utility of the algorithm in a practical setting, we evaluate the quality of H.264/AVC compressed videos. Efficiency of computation is enabled by the novel motion-vector re-use concept.

Published in:

Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:20 ,  Issue: 11 )