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Effective Cooperative Haptic Interaction over the Internet

, , , , , and . IEEE Virtual Reality, page 115--122. Charlotte, North Carolina, IEEE Computer Society, (March 2007)ISBN: 1-4244-0905-5.

Abstract

We present a system that enables, for the first time, effective transat- lantic haptic cooperation. We propose a technique for maintaining synchrony between simulations in a peer-to-peer system, while pro- viding responsive direct manipulation for all users. The effective- ness of this is determined through extensive user trials involving concurrent haptic manipulation of a shared object. A CAD assembly task, using physics-based motion simulation and haptic feedback, was carried out between the USA and the UK with network latencies in the order of 120ms. We compare the effects of latency on synchrony between peers, over the Internet and over a local area network. Both quantitatively and qualitatively, when using the technique, the performance achieved over the Internet is comparable to that on a LAN. As such, this technique constitutes a significant step forward for distributed haptic collaboration.

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