Automatic variety plate recognition (ANPR; confer different names below) could be a technology that uses optical character recognition on pictures to scan vehicle registration plates. It will use existing television, road-rule social control cameras, or cameras specifically designed for the task. ANPR is employed by police forces round the world for enforcement functions, together with to ascertain if a vehicle is registered or authorized .it's additionally used for electronic toll assortment on pay-per-use roads and as a way of cataloging the movements of traffic to Illustrate by highways agencies.
Automatic variety plate recognition may be accustomed store the photographs captured by the cameras similarly because the text from the registration code, with some configurable to store a photograph of the motive force. Systems usually use infrared lighting to permit the camera to require the image at any time of the day. ANPR technology should take under consideration plate variations from place to put.
Concerns regarding these systems have focused on privacy fears of presidency following citizens' movements, misidentification, high error rates, and augmented government disbursement. Critics have delineate it as a sort of mass police investigation.