Automatic Car License Plate Detection System: A Review

Abstract

Automatic license detection system is an essential system in today’s busy traffic system. It helps in automatic monitoring of traffic rules and other law enforcement activities. In India there are many cases of rash driving where in cars violating many traffic rules. It becomes very difficult for traffic policeman to capture the details of the vehicle. Thus, automatic license detection system have been proposed and implemented over the years to help easy and fast monitoring of traffic rules by the vehicles. This paper provides a concise review of various approaches used for automatic license detection system. These approaches can be broadly categorized into two categories: Techniques for automatic car number plate recognition and Techniques for character recognition. This paper also provides advantages and disadvantages of various approaches coming under these categories. Finally, the paper concludes with the comparative result analysis of all approaches reviewed under both the categories.