NPSNET: a multi-player 3D virtual environment over the Internet
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Cooperative work environment using virtual workspace
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
Collaborative virtual environments for training
MULTIMEDIA '01 Proceedings of the ninth ACM international conference on Multimedia
NPSNET-V: A New Beginning for Dynamically Extensible Virtual Environments
IEEE Computer Graphics and Applications
Effects of Network Characteristics on Human Performance in a Collaborative Virtual Environment
VR '99 Proceedings of the IEEE Virtual Reality
Effect of Latency on Presence in Stressful Virtual Environments
VR '03 Proceedings of the IEEE Virtual Reality 2003
NIST Net: a Linux-based network emulation tool
ACM SIGCOMM Computer Communication Review
Collaborative Virtual Training Using Force Feedback Devices
SIBGRAPI '04 Proceedings of the Computer Graphics and Image Processing, XVII Brazilian Symposium
Transatlantic touch: a study of haptic collaboration over long distance
Presence: Teleoperators and Virtual Environments - Special issue: Advances in collaborative virtual environments
Using Collaborative Haptics in Remote Surgical Training
WHC '05 Proceedings of the First Joint Eurohaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
The Effect of Prediction on Collaborative Haptic Applications
HAPTICS '06 Proceedings of the Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
NetGames '06 Proceedings of 5th ACM SIGCOMM workshop on Network and system support for games
Stability of Haptic Rendering: Discretization, Quantization, Time Delay, and Coulomb Effects
IEEE Transactions on Robotics
In-world data services in virtual environments
Proceedings of the 47th Annual Southeast Regional Conference
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In this work, we analyse the effect of network parameters on the judged usability of a collaborative virtual environment. Participants were trained to find the exit of a virtual maze by a trainer, which guided the exploration of the virtual space. An extensive experimental evaluation was conducted by simulating a series of operational parameters (network bandwidth and latency) to assess the reported effectiveness of the training. An objective similarity metric based on processing time per test was also defined and used, as well as subjective user's evaluations. Further, we have successfully correlated subjective evaluation and objective measure by computing the correlation values and showing how the two values co-vary.