Description: Video traffic speed camera systems use radar or laser speed sensor to capture speeds of speeding vehicles and views the scene in full motion through a colour video camera. The Speed Witness computer establishes a traffic violation and tags the video with text overlay showing speed, the limit, date and time as well as location of the violation. The MPEG4 video is recorded on a hard disk video recorder for instant recall. The high-resolution colour video camera with a powerful x30 zoom lens gives an amplified view of the scene, which is seen by the traffic officer on a large 7″ colour LCD. Images can be paused into solid stills for identification and printing. The system can be deployed on a portable stand placed covertly on the roadside, or inside the rear of small vans. The system can capture a speeding vehicle from distances of up to l km and can recognise a number plate at distance of 150 meters or more. The recorded MPEG4 video on a HD recorder can be instantly recalled as video or still shots to retrieve specific events providing an undeniable record of the speeding offence. Laser sensor is recommended for dense traffic applications as it uses a pencil sharp laser beam to measure vehicle speeds to pick up a specific vehicle even in dense 6 lane traffic. A radar sensor is simpler to use, and is more suited for highways/ motorways with traffic periodicity of less than 10 vehicles per minute.
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