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Transparent Data Reduction in Networked Telepresence and Teleaction Systems. Part I: Communication without Time Delay

机译:网络化的网真和遥距系统中的透明数据缩减。第一部分:无时间延迟的沟通

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摘要

Limited communication resources represent a major challenge in networked telepresence and teleaction systems. Video and audio compression schemes are well advanced employing models of human perception. In contrast to that haptic data reduction schemes are rather poorly treated in the known literature. This article introduces a novel approach to reduce network traffic in haptic telepresence systems exploiting limits in human haptic perception. With the proposed deadband control approach, data packets are transmitted only if the signal change exceeds a signal amplitude dependent perception threshold. Experimental user studies show that an average network traffic reduction of up to 85% can be achieved without significantly impairing the perception of the remote environment. The assumption throughout this article is that there is no communication time delay.
机译:有限的通信资源是联网的网真和远程信息处理系统中的主要挑战。视频和音频压缩方案采用人类感知模型已经非常先进。与之相反,在已知文献中对触觉数据减少方案的处理相当差。本文介绍了一种新颖的方法,可通过利用人类触觉感知的限制来减少触觉网真系统中的网络流量。利用所提出的死区控制方法,仅当信号变化超过依赖于信号幅度的感知阈值时才发送数据分组。实验性用户研究表明,在不显着削弱对远程环境的感知的情况下,可以实现平均网络流量减少多达85%。贯穿本文的假设是没有通信时间延迟。

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