Computer Science ›› 2017, Vol. 44 ›› Issue (Z6): 202-205.doi: 10.11896/j.issn.1002-137X.2017.6A.046

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Choice of Coding Parameters in Video Transmission for Perceptual Quality

DU Lin, TIAN Chang, WU Ze-min, ZHANG Zhao-feng, HU Lei and ZHANG Lei   

  • Online:2017-12-01 Published:2018-12-01

Abstract: There are two important problems that need to be solved in video transmission .One is how to allocate the rate for source and channel coding under the known bandwidth and packet loss probability.Another one is how to choose the coding parameters under the restricted bitrate.This paper focused on the second problem.We analyzed the existed perceptual quality model VQMTQ,and chose VQMTQ as the index to evaluate the perceptual quality of videos.Combined with the rate model,the proposed method chooses the best coding parameters under the given target bitrate,which not only satisfy the limit of bitrate,but also make the compressed video have the best perceptual quality,which can be used in practice and protect the human perceptual feelings.

Key words: Video transmission,Coding parameters,Perceptual quality

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