Television – Two-way video and voice communication – Switching
Reexamination Certificate
2001-06-14
2008-03-25
Vo, Tung (Department: 2621)
Television
Two-way video and voice communication
Switching
Reexamination Certificate
active
07349005
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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Gupta Anoop
Liu Qiong
Rui Yong
Fischer Craig S.
Lyon & Harr L.L.P.
Microsoft Corporation
Senfi Behrooz
Vo Tung
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