AST Digital Magazine April 2017 April 2017 | Page 32

Volume 11
April 2017 Edition
make to security revolving doors or mantrap portals to thwart an active shooter ’ s attempt at gaining access to your building , or worse , doing physical harm to people .
Anti-Piggybacking Technology
An active shooter with an agenda will be determined to infiltrate your building . He sees an innocent employee approaching the security revolving door or portal . His first thought ? Hold them at gunpoint and force them , and himself , through the entrance .
This scenario describes a “ piggybacking ” event .
When it comes to security revolving doors , the term “ piggybacking ” refers to an attempt to gain access to a secured area by jumping into the same compartment as an authorized user .
Using a combination of an optical camera and active , near-infrared sensors , StereoVision 2 technology can recognize shapes , sizes and volume in three dimensions .
Image Courtesy : Boon Edam
For portals , piggybacking involves two users attempting to enter the door at the same time .
StereoVision 2 is a sophisticated technology from Boon Edam that puts a stop to piggybacking attempts .
Simply put , the system is looking into the door ’ s compartment and searching for a set of head and shoulders , as well as body shape .
Based on a sampling algorithm , unusual shapes are rejected and the culprit ( s ) are required to exit the door .
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