Two-handed direct manipulation on the responsive workbench
Proceedings of the 1997 symposium on Interactive 3D graphics
Haptic issues for virtual manipulation
Haptic issues for virtual manipulation
Authoring of a Mixed Reality Assembly Instructor for Hierarchical Structures
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
A Pipeline for Rapidly Incorporating Real Objects into a Mixed Environment
ISMAR '05 Proceedings of the 4th IEEE/ACM International Symposium on Mixed and Augmented Reality
Simultaneous 4 gestures 6 DOF real-time two-hand tracking without any markers
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
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For simulating hands-on tasks, the ease of enabling two-handed interaction with virtual objects gives Mixed Reality (MR) an expected advantage over Virtual Reality (VR). A user study examined whether two-handed interaction is critical for simulating hands-on tasks in MR. The study explored the effect of one- and two-handed interaction on task performance in a MR assembly task. When presented with a MR system, most users chose to interact with two hands. This choice was not affected by a user's past VR experience or the quantity and complexity of the real objects with which users interacted. Although two-handed interaction did not yield a significant performance improvement, two hands allowed subjects to perform the virtual assembly task similarly to the real-world task. Subjects using only one hand performed the task fundamentally differently, showing that affording two-handed interaction is critical for training systems.