With the continuous development of information technology, many new technologies have been applied to parking lot products. Intelligent parking can pass wireless communication technology, license plate recognition technology, mobile payment technology, unattended technology, GPS positioning and so on. Real-time updates, inquiries, booking of parking space resources and integration of navigation services in the collection, management, inquiries, appointments and navigation of technical services and urban parking lots.
First, license plate recognition technology
License plate recognition is an automatic recognition technique that uses vehicle dynamic video or still images to collect license plate numbers and license plate colors. The complete license plate recognition system should include vehicle detection, image acquisition and license plate recognition.
The parking lot can realize automatic metering of the vehicle by installing a license plate recognition device at the entrance and exit, recording the license plate number and the access time of vehicles, and combining the control of automatic barrier gate. The image acquisition unit is triggered when the arrival of vehicle is detected and current video image is acquired. License plate recognition unit processes the image, finds the position of license plate, and then divides the characters in the license plate for recognition to form a license plate number output.
Second, parking guidance technology
Parking guidance technology is an important part of the development of intelligent parking. It can help car owners quickly find parking spaces, effectively improve traffic utilization and alleviate vehicle congestion. Currently, there are two main types of parking guidance systems: ultrasonic guidance and video guidance.
The ultrasonic parking guidance system uses an ultrasonic detector installed above the parking space to detect whether there is a free parking space below the parking space by using the characteristics of ultrasonic reflection, thereby guiding the vehicle into an idle parking space. The ultrasonic system is suitable for a large traffic volume and a small parking space. Parking lot, it can help car owners quickly and quickly understand the free parking space information on the spot, so as to quickly and effectively stop.
The video parking guidance system is installed above the parking space by camera, and the vehicle is guided through the system to analyze whether there is free parking space under the parking space. The video navigation and car-seeking system is suitable for a large commercial plaza with large traffic volume and relatively chaotic management.
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