Automatically expanding the zoom capability of a wide-angle video camera
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United States of America Patent
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Aug 2, 2011
Grant Date -
Mar 16, 2006
app pub date -
Jul 19, 2005
filing date -
Jul 19, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A system for automatically expanding the zoom capability of a wide-angle video camera using images from multiple camera locations. One preferred embodiment achieves this using images from the wide-angle video camera that are analyzed to identify regions of interest (RoI). Pan-Tilt-Zoom (PTZ) controls are then sent to aim slave cameras toward the RoI. Processing circuitry is then used to replace the RoI from the wide-angle images with the higher-resolution images from one of the slave cameras. In addition, motion-detecting software can be utilized to automatically detect, track, and/or zoom in on moving objects.
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