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Automatic license plate recognition technology is an essential feature of smart parking systems since it allows them to monitor and search information rapidly when something goes wrong.

Automatic license plate recognition technology

It is a system integrated with modern technology that can read license plates automatically without human intervention. They work based on optical character recognition, using surveillance cameras or cameras specifically designed for license plates. License plate recognition technology helps record and store an image of license plates and drivers, applied in supermarkets, commercial centres, buildings, etc. Ensure activities in the parking lot always operate, avoiding losses and traffic jams.

Vehicle management by license plate recognition system

Automatic license plate recognition form

Usually, an automatic license plate recognition system includes both LPR and ANPR. These are two different terms to describe the hardware and software for automatic license plate recognition. At the same time, it also supports pictures of license plates through the camera system. Besides, the license plate recognition system also has another technology, ORC—optical character recognition.

• The design of LPR meets all the challenges of license plate pictures, such as speed, fog, limited visibility at night and reflections of matter.
• ANPR – automatic license plate recognition is software that takes and stores input data from the LPR camera system. At the same time, it helps to identify characters on the license plate through management software.
• ORC-optical character recognition is one of the popular technologies. It helps to identify text in images. This technology integrated into ANPR converts image data into text and is machine-readable

The importance of license plate recognition

Easy to management

• Apply modern technologies to management software that helps collect and link data quickly.
• Automatically records information, such as license plate number, time, speed and direction of the vehicle. It is convenient to find in the parking lot.
• It relieves customers’ minds when using the parking. At the same time, waiting time is saved thanks to the fast and accurate operation process.

Saving cost

• One of the outstanding advantages of license plate recognition technology is to help protect and give warnings when there are abnormal signs.
• Reduce vehicle theft and loss.
• This system allows the car to find a space and park it without needing a ticket or waiting time.
• The transactions and information about customers are always more secure. Because each ID is unique, reducing fake situations.
• Save labour costs as well as system and parking management costs.

License plate recognition process in the parking

License plate recognition is a part of the smart parking system and has three steps in the process:

Step 1: Identification of license plates

The system identifies the number plate from the images extracted by the camera. At the same time, it will zoom in and take a picture to get data and move to the next step.

Step 2: Character zoning

License plate recognition separates characters and handles them. Then, use SVM (support vector machine algorithm) to classify the data and identify the characters.

Step 3: Deal with potentially confusing characters

For some characters like 0-O, 8-B, etc., it’s easy to get confused after taking pictures. Therefore, the system needs to be integrated with software capable of handling it. To help the system operate safely and efficiently. Finally, display the results in the format.

Outstanding advantages of license plate recognition technology at TSP

TSP - a pioneer in the design, construction and installation of smart parking systems, parking guidance systems... Including the setting up license plate recognition technology with outstanding advantages make the difference:

• Recognition time is fast, only 50-100ms, with integrated anti-backlight and anti-noise technology. It helps to take a clearer picture.
• Fully identify characters on license plates, including easily confused characters.
• Associated with the automatic barrier, no need for close or long-range cards.
• Multiple recognition modes with high accuracy up to 97%. Full display of information, such as number plates and pictures of cars in-out.
• Flexible using. It can easily convert from images to text, helping the management and operation process easier.Ensure absolute security and warn vehicles in-out with near-identical number plates.
• Easy to install and use cross-platform, such as website, mobile app, and desktop. Convenient for real-time report extraction.

TSP not only provides customers with smart solutions but also installs the system according to technical and customer requirements. Ensure that the technical parameters of license plate recognition technology are correct and easy to combine with other devices. Besides, TSP also develops a warranty policy and takes care of customers 24/7. Ready to support and fix errors that occur during using TSP's services.

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Contact information:

TSP

Address: 2nd Floor, Rosana Tower – 60 Nguyen Dinh Chieu St., Dakao W., Dist. 1, HCMC

Hotline: 0909 411 885

Email: Cs@tsp.com.vn 

Linkedin: https://www.linkedin.com/company/tsp-smartparking 

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