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Redcorn Ltd. E.L.V & Nuisance Vehicle Specialist
Working Towards a Greener Cleaner Safer Environment
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| A.N.P.R |
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Page 2 of 2 A.N.P.R. SOFTWARE The software aspect of the system runs on standard PC hardware and can be linked to other applications or databases. It first uses a series of image manipulation techniques to detect, normalise and enhance the image of the number plate, and finally optical character recognition (OCR) to extract the alpha numerics of the licence plate. ANPR/ALPR systems are generally deployed in one of two basic approaches; one allows for the entire process to be performed at the lane location in real-time, the other transmits all the images from many lanes to a remote computer location and performs the OCR process there at some later point in time. When done at the lane site, the information captured of the plate alphanumeric, the date-time, lane identification, and any other information that is required.This is completed in somewhere around 250 milliseconds. This information, now small data packets, can easily be transmitted to some remote computer for further processing if necessary, or stored at the lane for later retrieval. In the other arrangement there are typically large numbers of PCs used in a server farm to handle high workloads, such as those found in the London congestion charge project. Often in such systems there is a requirement to forward images to the remote server and this can require larger bandwidth transmission media. Areas of operation Public highways under Local Authority instruction Council estates Private estates under control of social landlord's Private land |
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