| 摘要 |
An interactive television system including means for identifying video cameras, means for tracking a camera position and orientation and field of view size (position in x, y, z, zoom, tilt, roll, pan) and means for tracking static and moving objects in three-dimensional space presented in the captured scene. In addition the system comprises means to combine data related to the video, the camera identification, the camera position and orientation and field of view size, the objects tracking information and the video image. The system further comprises means to transmit the combine data to the viewer together with a synchronisation time code, means to point to objects appearing in the captured three dimensional scene, or means to navigate in a three-dimensional scene, means to identify marked objects or points and track them with time, means to present additional data or to manipulate the video image.
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