Television – Camera – system and detail – Camera image stabilization
Reexamination Certificate
2003-12-04
2009-10-27
Villecco, John M (Department: 2622)
Television
Camera, system and detail
Camera image stabilization
Reexamination Certificate
active
07609293
ABSTRACT:
A system for stabilizing video signals generated by a video camera which may be mounted in an unstable manner includes a digital processing means for manipulation of each incoming image that attempts to overlay features of the current image onto similar features of a previous image. A mask is used that prevents parts of the image that are likely to cause errors in the overlaying process from being used in the calculation of the required movement to be applied to the image. The mask may include areas where small movements of the image have been detected, and many also include areas where image anomalies including excess noise have been detected. The invention also discloses means for dealing with wanted movements of the camera, such as pan or zoom, and also discloses means for dealing with the edges of video signals as processed by the system. A method is also disclosed.
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Tucker et al., Image Stabilization for a Camera on a Moving Platform, Proceedings of IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, vol. 2, pp. 734-737, May 1993.
Faulkner David Andrew Alexander
Fretwell Paul
Kent Philip John
Price Gary Shaun
McDonnell Boehnen & Hulbert & Berghoff LLP
Qinetiq Limited
Villecco John M
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