Traditional Culture Encyclopedia - Traditional culture - How many kinds of automatic license plate recognition systems are there?
How many kinds of automatic license plate recognition systems are there?
licence
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Accreditation, VLPR)
It is the application of computer video image recognition technology in automobile license plate recognition. License plate recognition is widely used in expressway vehicle management, and Electronic Toll Collection (ETC) system is also the main means to identify vehicles by DSRC technology.
License plate recognition technology requires that the moving license plate can be extracted and recognized from complex background, and the license plate number, color and other information can be recognized through license plate extraction, image preprocessing, feature extraction, license plate character recognition and other technologies. At present, the recognition rate of letters and numbers can reach 99.7% and the recognition rate of Chinese characters can reach 99%.
In parking lot management, license plate recognition technology is also the main means to identify vehicles. In the technical requirements of vehicle image and license plate information collection and transmission system in Shenzhen public parking garage (parking lot), license plate recognition technology has become the main means of vehicle recognition.
Vehicle license plate recognition technology combined with electronic toll collection system (ETC) can realize automatic vehicle recognition and automatic toll collection when passing through the intersection. In the management of parking lots, in order to improve the traffic efficiency of vehicles at the entrance and exit, license plate recognition is changing the management mode of entering and leaving the parking lot by building unattended fast lanes for vehicles (such as monthly trucks and internal free vehicles) that do not need to charge parking fees.
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