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Adaptive HTTP Streaming Utilizing Temporal Sub-layers of High Efficiency Video Coding (HEVC)

机译:利用高效视频编码(HEVC)的时间子层的自适应HTTP流

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The newly approved High Efficiency Video Coding Standard (HEVC) includes temporal sub-layering feature which provides temporal scalability. Two types of pictures - Temporal Sub-layer Access Pictures and Step-wise Temporal Sub-layer Access Pictures are provided for this purpose. This paper utilizes the temporal scalability of HEVC to provide bandwidth adaptive HTTP streaming to clients. We describe our HTTP streaming algorithm, which is media timeline aware. Temporal sub-layers are switched on the server side dynamically. We performed subjective tests to determine user perception regarding acceptable frame rates when using temporal scalability of HEVC. These results are used to control the algorithm's temporal switching behavior to provide a good quality of experience to the user. We applied Internet and 3GPP error-delay patterns to validate the performance of our algorithm.
机译:新批准的高效视频编码标准(HEVC)包括提供时间可伸缩性的时间子分层功能。为此提供了两种类型的图片-时间子层访问图片和逐步时间子层访问图片。本文利用HEVC的时间可伸缩性为客户端提供带宽自适应HTTP流。我们描述了我们的HTTP流算法,该算法可识别媒体时间轴。时间子层在服务器端动态切换。我们进行了主观测试,以确定使用HEVC的时间可伸缩性时有关可接受帧率的用户感知。这些结果用于控制算法的时间切换行为,从而为用户提供良好的体验质量。我们应用了Internet和3GPP错误延迟模式来验证算法的性能。

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