Abstract

In this paper, the collaboration in the real three-dimensional environment is defined as spatial workspace collaboration, and an experimental system, GestureCam, is presented which supports spatial workspace collaboration via a video-mediated communication. The GestureCam system has an ability to look around a remote site, an ability of remote pointing, and an ability to support gaze awareness, all of which are the essential system requirements for spatial workspace collaboration. The GestureCam consists of an actuator with three degrees of freedom and a video camera mounted on the actuator. The actuators can be controlled by a master-slave method, by a touch-sensitive CRT, or by a gyro sensor. Also, a laser pointer is mounted on an actuator to assist remote pointing. The experiments with human subjects are also shown in the video.

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