丢包对视频体验质量影响的分析  

Analysis between packet loss and quality of experience for video files

作　　者：张大陆[1] 朱小庆[1] 胡治国[1] 张俊生[1] 

机构地区：[1]同济大学电子与信息工程学院,上海201804

出　　处：《计算机工程与应用》2010年第1期71-73,共3页Computer Engineering and Applications

摘　　要：网络传输过程中发生丢包会降低用户对视频的体验质量。使用EvalVid仿真传输测试床来深入分析丢包率及不同位置丢包对用户体验的影响,并根据回归分析法建立了映射模型。用户使用该模型可以很方便地得出用户的体验质量。经理论分析证明该模型正确、易于操作,可实时检测丢包对视频的影响。The quality of experience for video files is significantly affected when packet loss occurs.A simulated transport test bed EvalVid is carried out to analyze the correlations.Then the mapping model between packet loss rate and QoE are established by regression analysis.This effective model is easy to operate.The model is correct and able to detect impact of the packet loss on user experience in real-time.

关 键 词：体验质量 EvalVid 回归分析 丢包 映射模型 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]