Automated video production system and method using expert video production rules for online publishing of lectures
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United States of America Patent
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Mar 25, 2008
Grant Date -
Dec 26, 2002
app pub date -
Jun 14, 2001
filing date -
Jun 14, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automated system and method for producing videos using expert video production rules. The automated video production system and method of the present invention is particularly well-suited for the online publishing of lectures. The system of the present invention includes a camera system for capturing the lecture, such as an audience-tracking camera and a non-intrusive lecturer-tracking camera. Moreover, each camera may be controlled by a cinematographer. Tracking of a subject is performed using a history-based, reduced-motion tracker that sets up a camera shot based on the subject's movement history and leaves the shot fixed until the camera is switched. The system also includes a virtual director module having a probabilistic finite state machine (FSM) module that uses probabilistic rules and the expert video production rules to determine a current camera view.
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