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              $20M Cameras at New York’s Freedom Tower Try to Detect ‘Anomalies’
Monday, September 29th, 2008
By David W. Dunlap | This is the scale of 1 World Trade Center, the Freedom Tower, which is now beginning to emerge from below ground: the contract for the electronic security system alone is worth $20,407,680. Meeting last week for the first time within sight of ground zero, the commissioners of the Port Authority of New York and New Jersey approved a contract in that amount with Ingersoll Rand Security Technologies.
Steven P. Plate, the director of priority capital programs at the authority, told the commissioners that the money would buy: “A state-of-the-art integrated security system that includes closed-circuit television, coupled with video analytics to detect abnormal situations; digital recorders; access control systems; provisions for chemical, biological and radiation detection; a fiber-optic backbone and network; and related electrical infrastructure.” That’s when City Room’s ears perked up. “Video analytics to detect abnormal situations”? If you have ever wondered how security guards can possibly keep an unfailingly vigilant watch on every single one of dozens of television monitors, each depicting a different scene, the answer seems to be (as you suspected): they can’t. Instead, they can now rely on computers to constantly analyze the patterns, sizes, speeds, angles and motion picked up by the camera and determine — based on how they have been programmed — whether this constitutes a possible threat. In which case, the computer alerts the security guard whose own eyes may have been momentarily diverted. Or shut. An alarm can be raised, for instance, if the computer discerns a vehicle that has been standing still for too long (say, a van in the drop-off lane of an airport terminal) or a person who is loitering while everyone else is in motion. By the same token, it will spot the individual who is moving rapidly while everyone else is shuffling along. It can spot a package that has been left behind and identify which figure in the crowd abandoned it. Or pinpoint the individual who is moving the wrong way down a one-way corridor. Because one person’s “abnormal situation” is another person’s “hot dog vendor attracting a small crowd,” the computers can be programmed to discern between times of the day and days of the week. Some of the companies offering video analysis are IntelliVision, Verint and Cernium, whose Web site includes a television news segment noting that its Perceptrak program is capable of detecting that dreaded phenomenon: “people who are converging.” Have Your Say: $20M Cameras at New York’s Freedom Tower Try to Detect ‘Anomalies’ Please read our posting guidelines before posting. Alternatively you can discuss this report here. Related News
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