Automatic License Plate Recognition

Dennis J. Lau

 In an era of increasing threats to public safety and shrinking city budgets, judicious application of modern technologies are a force multiplier for police agencies who need to do more with less. Automatic License Plate Recognition  (ALPR) is a case in point. ALPR uses cameras to capture digital images of license plates, then a computer to convert plate image into alphanumeric characters. That information, also referred to as “plate code”, can then be stored in a database and compared to other databases.



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