Print 44 comment(s) - last by spluurfg.. on Feb 26 at 6:39 PM

New traffic cams in the UK make Dracula proud

Most drivers in larger cities where carpool lanes are common have seen the lone driver cruising in the HOV lane oblivious to the rules. Sometimes these lane raiders get caught, but more often than not they get away with going solo in the HOV lane.

Some people try all sorts of trickery to get away with using the HOV lane with only one person in the car from putting photographs on the windshield to fool traffic cameras to using mannequins or blow up dolls. A new camera system is being installed in the UK that can tell how many people are in the car by detecting the amount of blood and bodily fluids are present with the expectation of thwarting these types of offenses.

The new CCTV system will first be used in Leeds, but could eventually find its way across the UK. The cameras work by shooting an infrared beam through the windshield of a car that is able to detect the blood and other fluids inside people in the car.

Similar technology has been used in the hospital setting for years called pulse oximetery which uses an infrared beam to detect how much oxygen is dissolved in the blood. If these cameras work on a similar principal to detect blood is unknown.

Professor John Tyrer headed the Loughborough University team that created the device told Daily Mail, “It [the cameras] allows you to count people.” UK motoring organizations say that the cameras are yet another intrusion on the private lives of motorists.

Whether or not CCTV cameras actually help reduce crime in the UK is a topic of debate. DailyTech reported a study in 2007 that showed the CCTV cameras in use in the UK did not reduce crime.

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It's just an IR camera
By Guigsy on 2/26/2008 8:46:12 AM , Rating: 2
All it is is an infra-red camera that looks for the frequency that bounces back off of human skin. It's not some magic x-ray machine or some blood volume detector... it won't give a false reading because you're fat.

Many cars now have metal flakes in the glass or IR reflective coatings on the surface so the car doesn't warm up too much in the summer (which is also the reason some satnavs don't get a very good signal). I'm fairly sure this would prevent the camera from getting a good image.

Also, the camera only takes a picture of the front of the car, what stops you from saying that you had 20 kids in the back seats?

I think this is more of a deterrent than a device that'll actually work.

RE: It's just an IR camera
By pauluskc on 2/26/2008 10:04:30 AM , Rating: 2
And how about someone bringing this fancy vanadium dioxide to market, eh? Seems like progress is made. Create a simple IR detector circuit (made one from radioshack parts) and connect it to the 12 femtosecond pulsing laser (still looking for a good source) and zowie!

Or this Transparent IR Reflective Film patent:
Anyone have some extruders laying around?

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