forth road bridge

In an effort to thwart drivers from using mannequins and blow-up dolls to pay cheaper fares when crossing the UK's Forth Road Bridge, officials are testing a new system that can detect the number of passengers in a car from up to 160-feet away. The Cyclops is based on technology developed at Loughborough University, and employs the fact that human skin contains a unique and measurable amount of water. In field tests the infrared Cyclops camera was able to measure vehicle occupancy with 95% accuracy, compared to 65% for human observers. The new system was seen as vital in monitoring traffic when new electronic tollbooths come online, which would further encourage cheating as they allow for variable rates depending on how many passengers are in the car.

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Cyclops cam can distinguish between humans and blow-up dolls