This is an aside titled 'Graffiti Alarms and Butterfly Graffiti' dated 9/16/08

Butterfly graffiti. Also, news on a graffiti alarm system: a “set of microphones attached to the surface is connected to a computer program that has been trained to distinguish background noise from the tell-tale signature of graffiti scratches…When the computer picks up signs of vandalism in action, it triggers an alarm to scare off the perpetrators and call the authorities to investigate.”

Posted by Joanne on Sep. 16, 2008 Tagged: , , , , ,

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