Method and system for enhanced portal security through stereoscopy
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United States of America Patent
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Nov 24, 2009
Grant Date -
May 5, 2005
app pub date -
Nov 5, 2003
filing date -
Nov 5, 2003
priority date (Note) -
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Abstract
Enhanced portal security is provided through stereoscopy, including a stereo door sensor for detecting and optionally preventing access violations, such as piggybacking and tailgating. A portal security system can include a 3D imaging system that generates a target volume from plural 2D images of a field of view about a portal; and a processor that detects and tracks people candidates moving through the target volume to detect a portal access event.
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