| 摘要 |
An apparatus for interaction of a plurality of users with an application, comprising: a plurality of pointing devices (10) capable of emitting a signal (80; 110) (such as visible or infrared light, a laser or omnidirectional flashes), each pointing device comprising one or more triggers; a presentation device (20) (such as display, a wall, or any objects); and detection means (30) (camera, stereo camera, other) capable of detecting said signal (80; 110). The apparatus also comprises means (30, 40) for detecting trigger actions by said users, and recording the identity and time of said trigger actions (30, 40), means (40, 13) for enabling said pointing devices (10) to emit said signal (80; 110) and means (40) for enabling said detection means (30) to detect said signal (80, 110), and for linking said signal detection to a specific pointing device (10) trigger action.
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