Automatic Number Plate Recognition (ANPR or LPR) can be used for automatic vehicle identification and vehicle access control applications. This technology physically consists of a camera with built in software for OCR (Optical Character Recognition). The big advantage of using ANPR for AVI applications is that it makes use of something that almost every car already has: a license plate.
ANPR is very suitable for situations where it is unachievable or undesirable to issue and administer RFID tags, in applications such as:
- vehicle identification for parking management
- vehicle access control applications with one off or short term authorizations
- vehicle management applications dealing with rapidly changing car populations
- if specific RFID bandwidths cannot be used because of interference or regulations