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List of the catalog of this article:

• 1.What are the main functions of the license plate recognition system
• 2, What is the principle of the license plate recognition system to identify the license plate number?
• 3, How is the license plate of the gate system recognized

What are the main functions of the license plate recognition system

1. The following is an introduction to the six functions of the entrance and exit license plate recognition device: to help the owner find and locate the car license plate recognition system can be connected to the entire parking system to monitor the parking space in real time and display it on the LED display of the parking system. As long as there is a parking space, the owner can enter the parking lot and choose the right location to park accurately.

2. The license plate recognition system is to use the camera computer to identify the license plate number. Its function is that the computer can automatically identify the license plate number, improve work efficiency and reduce the labor intensity of people. It can be used in the parking lot, automatically record the parking time of the vehicle and calculate the parking fee. It can also be used in road traffic supervision to automatically identify illegal vehicles.

3. The functions that the intelligent license plate recognition system can achieve are: it can automatically recognize the license plate and automatically lift the rod and drop the rod.Able to announce the charge amount by voice. It can display the vacant parking space.

4. A large part of the license plate recognition system is also applied to internal vehicle management, such as communities, units, factories and mines, etc. In these application scenarios, license plate recognition plays a very important role, and through rich functional settings, it can realize the classification management of vehicles with different permissions.

5. License plate recognition technology combined with other technologies can realize parking lot toll management, traffic flow control index measurement, vehicle positioning, car anti-theft, highway speeding automation supervision, red light electronic police, highway toll station and other functions.

6. Intelligent management of parking lot entrances and exits: install license plate recognition equipment at the entrances and exits, record the license plate number and entry and exit time of the vehicle, and combine with the control equipment of automatic doors and railing machines to realize the automatic management of vehicles.

What is the principle of the license plate recognition system to identify the license plate number?

1. License positioning, locate the position of the license in the picture; 2) License character segmentation, divide the characters in the license; 3) License character recognition, identify the divided characters, and finally form the license number.

2. Its working principle can be reflected in the seven aspects of vehicle viewing, preprocessing, image collection, license plate positioning, character recognition and effect output. At present, the recognition rate of letters and numbers at the latest technical level can reach 97%, and the recognition rate of Chinese characters can reach 99%.

3. License plate recognition relies on the network to transmit data, just send it toIf the path is blocked, the operation of the machine will be paralyzed. At this time, you can have a reason to ask the security guard beside you to open the smart gate for you! Of course, this method can only be used a few times and not often.

4. The principle is to take images of vehicles driving on the road through the camera to identify the license plate number. The process involves: vehicle detection - image acquisition - preprocessing - license plate positioning - character segmentation - character recognition - result output.

How to identify the license plate of the gate system

The principle is to identify the license plate number by taking images of vehicles driving on the road through the camera. The process involves vehicle detection-image acquisition-preprocessing-license plate positioning-character segmentation-character recognition-result output. The license plate recognition system has two trigger methods, one is peripheral triggering and the other is video triggering.

When there is no corner in the standard lane, make sure that the license plate recognition area is within the 4-5-meter interval. When the corner is too large, it is necessary to judge the angle, judge the parallelism of the license plate, and judge the best recognition distance for license plate recognition after the license plate turns positive is 4-5 meters. The parallel angle cannot be greater than 15 degrees;The slope angle cannot be greater than 45 degrees.

The meaning of gate license plate recognition The license plate recognition system refers to a technology that can detect vehicles on the monitored road surface and automatically extract vehicle license plate information, including Chinese characters, English letters, Arabic numerals and license plate colors for processing. License plate recognition is one of the important parts of modern intelligent transportation system, and it is widely used.

The object of license plate recognition inspection is the license plate number, so as long as our license plate number can enter the license plate recognition system, we can enter the parking lot in all directions. If our license plate number cannot be entered into the system. Then we can "borrow" the license plate number that is already in the system, which is simply other people's license plates.