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Minimizing uplink data in wireless free-viewpoint video transmission applications

机译:在无线自由视点视频传输应用中最小化上行链路数据

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摘要

The increase in processing power of mobile multimedia terminals, the improvements in camera technology and efficient video compression algorithms have made the implementation of mobile Free-Viewpoint Video (FVV) technology possible. However, the use of this technology in wireless environments poses a number of challenges. Amongst these there are issues in bandwidth utilisation and the limited supply power of the mobile device. To this effect, this paper compares the implementation of two prediction algorithms to forecast the next viewpoint in an attempt to minimise the amount of viewpoint requests uploaded to the server. Simulation results demonstrate that a reduction of up to 72% in uplink transmission traffic is achieved when emulating a conventional usage scenario. This means that the application of prediction schemes can drastically reduce the power consumption and resource requirements of mobile multimedia terminals.
机译:移动多媒体终端的处理能力的提高,摄像头技术的改进以及有效的视频压缩算法使移动自由视点视频(FVV)技术的实现成为可能。然而,在无线环境中使用该技术提出了许多挑战。在这些之中,存在带宽利用和移动设备的有限供电的问题。为此,本文比较了两种预测算法的实现,以预测下一个视点,以尽量减少上传到服务器的视点请求的数量。仿真结果表明,在模拟常规使用场景时,上行链路传输流量最多可减少72%。这意味着预测方案的应用可以大大降低移动多媒体终端的功耗和资源需求。

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