Watermarking Video Clips with Workload Information for DVS

Yicheng Huang, S. Chakraborty, Ye Wang
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引用次数: 2

Abstract

We present a lightweight scheme for watermarking or annotating video clips with information describing the workload that would be incurred while decoding the clip. This information can be used at run time to scale the operating voltage/frequency of the processor on which the video clip is to be decoded. Our main contribution is a fast, low-cost bitstream analysis technique for estimating the decoding workload of a video clip. Using this technique the workload information can be inserted into a clip while it is being downloaded onto a battery-powered portable device from a desktop computer or a server, for later playback. In contrast to control-theoretic feedback techniques that have been traditionally used for predicting video decoding workload at runtime for dynamic voltage/frequency scaling, we show that our scheme performs better in terms of energy savings and has significantly lower buffer requirements.
水印视频剪辑与负载信息的DVS
我们提出了一种轻量级的方案,用于对视频片段进行水印或注释,其中包含描述解码片段时所产生的工作量的信息。该信息可以在运行时用于缩放要解码视频剪辑的处理器的工作电压/频率。我们的主要贡献是一种快速,低成本的比特流分析技术,用于估计视频剪辑的解码工作量。使用这种技术,工作负载信息可以在从台式计算机或服务器下载到电池供电的便携式设备时插入到剪辑中,以便稍后播放。与传统上用于预测运行时动态电压/频率缩放的视频解码工作量的控制理论反馈技术相比,我们的方案在节能方面表现更好,并且具有显着降低的缓冲要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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