Xinchuangbo Automatic License Plate Recognition Parking System Enters Urumqi, Xinjiang
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Hexin Chuangbo Technology’s automatic license plate recognition parking lot system is stationed in Urumqi, Xinjiang. This project is a simple card swiping system with an automatic license plate recognition system. The project adopts our company’s advanced automatic license plate recognition technology, the system’s dependence on the environment is reduced to a minimum, and it can work normally around the clock, and the recognition rate is maintained at a high level; the high-speed hardware recognition system based on DSP improves the speed and accuracy of recognition . DSP (digital signal processor) is a unique microprocessor, a device that processes a large amount of information with digital signals. Its working principle is to receive an analog signal and convert it to a digital signal of 0 or 1. Then modify, delete, and strengthen the digital signal, and interpret the digital data back to analog data or actual environment format in other system chips. It not only has programmability, but its real-time running speed can reach tens of millions of complex instruction programs per second, far exceeding general-purpose microprocessors, and it is an increasingly important computer chip in the digital electronic world.
The minimum recognizable number plate width is 85 pixels, and the surveillance and recognition cameras can be shared, effectively protecting customers’ investment.
Adapt to complex climate and light conditions, such as cloudy, rainy, and night, and still guarantee a high recognition rate.
It is suitable for high-speed and large traffic, and the vehicle speed is between 120 and 180km/h, and the single-lane traffic is 30 vehicles/min. It can still guarantee a high recognition rate (>93%).
Realize the frame-by-frame processing of video images, video triggering, no need to bury ground coils, to avoid damage to the road.
The project is easy to install, stable in operation, and does not interfere with the user’s existing system.
It has extremely high processing capabilities, recognizes and processes all images during the vehicle’s traveling process, does not rely on a single picture, and effectively improves the equipment’s ability to adapt to complex environments.
Rich output interface, open underlying protocol, support rapid secondary development and integration
System structure and process Set up an industrial computer (front-end management host) at the control center of each entrance and exit, which receives the license plate recognition results and image information sent by the license plate recognizer.
1) Vehicle entering:
① The vehicle enters the capture area of the license plate camera and triggers the ground coil.
② The automatic license plate recognition system automatically captures the image of the vehicle and recognizes the license plate number, and then obtains the vehicle category by searching the database.
③, the display screen displays the validity period (VIP car or monthly rental car) or balance (stored value car) of the car, welcome to and other prompt words.
④ Voice playback of the recognized license plate, welcome to and other prompt words.
⑤. If the seat is not full or the vehicle is a fixed vehicle, the gate will pass and the time when the vehicle enters is also noted. The vehicle crosses the entrance and enters the parking lot, and the parking space display refreshes the parking space.
The whole process is completed automatically, without staff intervention. The vehicle has been in a driving state without a pause.
2) The vehicle leaves:
① The vehicle enters the capture area of the license plate camera and triggers the ground coil.
② The automatic license plate recognition system automatically captures the image of the vehicle and recognizes the license plate identification number, and then obtains the vehicle category by searching the database.
③. The display shows the validity period (VIP car or monthly rental car) or balance (stored value car), charge amount (temporary car) of the car, and other reminders, I wish you a smooth journey.
④ Voice playback of the recognized license plate, I wish you a smooth journey and other prompts.
⑤. If the vehicle is a fixed vehicle, the turnstile will automatically be released. The computer calls out the captured images of the car when it enters the venue, the time of entry, and so on. If it is a temporary parking, the vehicle must suspend payment before leaving, which is the same as the IC card scheme. If a vehicle is blacklisted, whether it is a temporary or fixed vehicle, the gates will not be opened, and the system will send out an alarm signal to notify the staff to pay attention.
⑥. The vehicle crosses the entrance and exits and enters and leaves the parking lot. The system records the departure time of the vehicle, and the parking space display refreshes the parking space.
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