Abstract
We have developed a collaborative system for location-based AR that enables users to handle virtual object by simple hand gestures. Through a combination of depth sensor and motion capture system, it makes possible to calculate global coordinates of hands and recognize hand gestures without pattern images or hand mounted instruments. We believe that this system would be useful for inter-user communication. In this research, we carried out design and implementation of the system which provided a collaborative workspace for users. In addition, to evaluate the performance of the proposed system, we implemented application to share virtual objects. We carried out the tasks of moving, generating, and eliminating of virtual objects. The recognition rates for all tasks are above 90%.
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