计算机科学 ›› 2017, Vol. 44 ›› Issue (Z6): 202-205.doi: 10.11896/j.issn.1002-137X.2017.6A.046
杜麟,田畅,吴泽民,张兆丰,胡磊,张磊
DU Lin, TIAN Chang, WU Ze-min, ZHANG Zhao-feng, HU Lei and ZHANG Lei
摘要： 在视频传输中有两个重要的问题需要解决:1)在已知网络带宽以及丢包率的情况下如何分配信源和信道的编码速率；2)在信源编码速率限定的条件下如何选择编码的参数。针对问题2),分析了现有的主观质量模型VQMTQ,选择VQMTQ作为视频主观质量评价的指标。联合码率模型在给定目标码率时能够选择最佳的编码参数,使得编码后的视频主观质量尽可能高。该研究对于实际应用具有重要价值,保障了人眼的主观感受。
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