Previously, when we entered the parking lot, we would see many parking lot workers register vehicles, but now we almost can't see the parking lot staff in the parking lot, because it is used in the current parking lot. License plate recognition system.
The use of license plate recognition system from the shopping mall to the company, the use of a wider range, but also in the use of the number has also shown a rising trend year after year, why the license plate recognition system is so popular because it is more obvious advantages.
First of all, the license plate recognition system uses an intelligent system that can record a large number of license plate numbers and can accurately record the license plate number. However, our human brain has a limited number of records and is prone to errors when recording.
Secondly, the license plate recognition system can be updated from time to time, so that the latest identification technology can be used, but if we adopt an artificial approach, it takes a long time to learn new technologies. Then, the work of the license plate recognition system is very stable and will not be affected by the external environment.
The intelligent license plate recognition system is based on license plate recognition technology and is an application of computer video image recognition technology in vehicle license plate recognition. That is, the license plate number is extracted and identified from image information. The recognition of the license plate number is performed by the camera shooting the image of the vehicle traveling on the road. The process involves: vehicle detection - image acquisition - preprocessing - license plate positioning - character segmentation - character recognition - result output, which is now widely used Parking, high-speed intersections, toll lanes and other places.
The principle of smart license plate recognition system:
Vehicle detection: It can detect the passage of the vehicle through various methods such as buried coil detection, infrared detection, radar detection technology, and video detection, and triggers image capture and capture.
Image acquisition: Real-time, continuous recording and acquisition of passing vehicles through high-definition video capture.
Preprocessing: noise filtering, auto white balance, auto exposure and gamma correction, edge enhancement, contrast adjustment, etc.
License Plate Positioning: Rows are scanned on the grayscale image after image preprocessing to determine the license plate area.
Character segmentation: After the license plate area is located in the image, the character area is accurately positioned through processing such as graying and binarization, and then character segmentation is performed according to the character size feature.
Character recognition: The segmented characters are scaled, extracted, and matched with the standard character representation in the character database template.
Result output: The license plate recognition result is output in text format.
Intelligent license plate recognition system also needs regular maintenance:
Whether it is in road traffic management or in car park management, it uses the license plate recognition system. It provides security for our driving safety and facilitates the collection of vehicle information, but we also use the license plate recognition system. We will find that it is faulty, and the reason why it fails is because we did not do its maintenance work well. The maintenance of the license plate recognition system is very important. When we neglect its maintenance work, the license plate recognition system will Can not be used normally.
So how should we maintain the license plate recognition system?
First of all, after using the license plate recognition system for a period of time, there will certainly be a lot of dust on the top, and this dust will affect the recognition of the license plate recognition system. Therefore, after we use the license plate recognition system for a period of time, we must remove the dust and keep it. The cleanliness.
Secondly, when we use the license plate recognition system, we must regularly inspect it to prevent internal parts from being damaged, and we must regularly clean up the virus. Only in this way can we ensure the safe and long-term use of the license plate recognition system. The maintenance of the license plate recognition system needs to be completed on a regular basis.
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