‘Mass Transit Cameras Spot Bad Guys, No Human Judgment Required’

‘Mass Transit Cameras Spot Bad Guys, No Human Judgment Required’

June 7th, 2012

And while we’re at it, how about using Google searches to identify pre-crime?

Via: Fast Company:

A new breed of security cameras can supposedly detect terrorism and crime without a human judgment call–and mass transit agencies are shelling out big bucks for the product. San Francisco’s Municipal Transit Authority, which oversees the city’s MUNI trains, has signed a contract with security firm BRS Labs to deploy cameras to 12 subway stations that use algorithms and machine learning techniques to spot anomalous behavior.

BRS Labs is a security firm that provides behavior recognition software for video surveillance. The company’s clients include government, tourist attractions, military bases, and private industry; BRS’s software issues real-time text alerts when cameras detect strange behavior. Servers connected to security cameras observe locations for weeks at a time and then establish a baseline of “normalâ€� behavior based on this timespan; anomalous activities afterwards (loitering, abandoned packages, abnormally high/low numbers of passengers) trigger an alert. No tripwires or programming of initial parameters are required.

According to a publicly available product bid, the San Francisco MUNI project will include up to 22 connected cameras at each train station; video monitoring will be conducted by train control, MUNI Metro East facility, and in-station personnel. The video systems will build memories of observed behavior patterns that mature with time; the systems, in the bid’s words, “[have] the capability to learn from what [they] observe.â€�

Research Credit: noncompliant

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