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laser-based vehicle detection
Fei C
Fei C May 09, 2013
laser-based vehicle detection

I've seen these sensors...

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Similar Photos: high technology sensor for testing car speed detection This is safety gate at the platform of Tokyo Metro (main subway in Tokyo).<br/>This gate opens automatically when the train comes. CCTV camera are everywhere, in Edinburgh, and I have to admit that they give me a sense of protection

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