So, what role does license plate recognition play in smart transportation?
In intelligent traffic applications, in addition to extracting information such as vehicle traffic, it is also important to easily identify vehicle identities. Among many vehicle identification methods, license plate recognition has been widely recognized by the industry for its excellent performance in applications.
Take a look at how license plate recognition works:
The license plate recognition is an automatic pattern recognition technology for license plate number and license plate color using dynamic video or static image of the acquisition vehicle. The core technologies include license plate location algorithm, license plate character segmentation algorithm and optical character recognition algorithm. A complete license plate recognition system should include vehicle detection, image acquisition, license plate recognition and other parts. When the vehicle detection section detects the arrival of the vehicle, the image acquisition unit is triggered to collect the current video image. The license plate recognition unit processes the image, locates the position of the license plate, and then separates the characters in the license plate to recognize it, and finally composes the license plate number.
The license plate is usually unique as a vehicle identity. No two cars in the world use the same legal license plate. Although there are two vehicles in the country that use the same license plate number, they must have different colors.
As a vehicle identification mark, the license plate has a very standard coding method, which provides a convenient condition for identification. For each type of license plate, its license plate format type is unique. For example, in a Chinese civilian car, the first character of the license plate is Chinese characters and is the abbreviation of the province to which the vehicle belongs; the second character is a letter, Different letters represent different cities. Different types of vehicles use different colors of license plates. They also have strict regulations. For example, special vehicles for military and police use white license plates, and civilian cars use blue license plates.
The installation position of the license plate is relatively fixed, and it is installed at the fixed position of the front and rear ends of the vehicle. It is very conspicuous, and it is also convenient for photographing and collecting.
According to the uniqueness of the license plate, the license plate recognition technology will be widely used in electronic parking toll collection systems, highway toll stations, and various parking toll areas. The license plate recognition technology for parking lots and residential entrances and exits is mainly used to record vehicle license plates and license plates. Color, access time, automatic vehicle management, in order to save manpower and improve efficiency.
As one of the important core technologies in the intelligent traffic management system, license plate recognition will serve as a gateway to open smart traffic and serve parking lots and major parking toll stations. Make people's parking life more convenient and orderly.
For more information on the functions of the parking management system, parking lot collection system, parking lot barrier, access gate system, cloud parking lot, etc., please contact Shenzhen Daoer Intelligent Control Technology Co., Ltd., China Smart Parking Cloud Platform No. 1 Stocks, parking lot operators preferred partners.
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