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What is LPR(License Plate Recognition) Technology?

License plate recognition （ ANPR/ALPR/LPR )  is one of the important components in modern intelligent transportation   parking   systems, and it is widely used.

Based on technologies such as digital image processing, pattern recognition, and computer vision, it analyzes the vehicle images or video sequences taken by the camera

to obtain the unique license plate number of each car to complete the recognition process.

Hardware part   introduction

1.Functions and features of each component

1) Camera :  it mainly captures pictures, which are sent to the software for   recognition. There are two ways to trigger the camera to capture pictures.

One is that the camera itself has a head-detection function, and the other is that the car is triggered by the loop coil when vehicle pass to capture the picture .

2) Display screen :  you can customize the display contents of the display screen.

3) Column : the column and the appearance of the product are formed by   cold-rolled iron sheet, strong and waterproof.

4) Fill light :  With an automatic light sense < 30Lux, the light will be automatically opened   according to the surrounding environment of the project site, and will remain

bright until the supplementary light detects that the surrounding environment becomes brighter, and the light sense will be automatically closed when it is greater than 30Lux.

Software part   introduction  

ALPR workflow

Process description:

Entry:   the license plate recognition camera captures an image by means of vehicle head detection or loop coil trigger, and the image is transmitted to the software.

The software algorithm recognizes the image, writes the recognition result into the database and returns it to the camera, and the camera sends the switch signal to

barrier switch.

Exit:   the license plate recognition camera captures an image by means of vehicle head detection or loop coil trigger, and the image is transmitted to the software.

The software algorithm recognizes the image, outputs the recognition result and compares it with the entrance recognition result in the database.   The comparison is

successful   and the result is returned to the camera.  

ALPR software interface-multiple languages

Software function introduction

  1)   The recognition module   is built into the parking lot software, which can recognize the license plates of

123 countries and regions and output the results

2)   Parking software , which can manage the whole parking lot from entrance and exit to charging.

3) Set permissions for   operators   who manage parking lots.

4) Set the   charging rules   of the parking lot,input them into the system and charge them automatically.

5)   Monitor the movement   of vehicles in and out.

6) Keep a   record   of vehicle movements.

7) Form the   report summary   of vehicle access management, fee management and parking management.

8) The   best solution   of a set of parking software is to manage the parking lot with one in and one out. It can

also be used for two in and two out.If beyond this range, it may affect the efficiency of management or cause

the situation of stagnation, which also depends on the actual use of computers and the amount of vehicles.

Expanding applications

Expanding application of license plate recognition:

The license plate recognition of parking lot is applied to the entrance and exit of parking lot by the way of license plate recognition.Based on the function of recognition and output of license plate, any project that needs to obtain license plate information can be used in combination with our software.   The application places mainly include gas station, car wash shop, vehicle management, intelligent weighing, intelligent charging, payment system for vehicle entry and exit, etc. In order to make more customers benefit from the application of license plate recognition, taigewang has specially customized upload software, which can provide customers with the data of license plate, picture of license plate, time of entry and exit and so on from our software system. Docking is also very simple, only three steps.

Simple introduction to upload software:

1. Parameter setting interface                                               2. Recognition and vehicle picture interface

3. Uploading software and docking three steps

ALPR advantage

• License plate recognition parking system is a a reliable, accurate and cost effective car park management solution. It is widely used in many places,including supermarkets, retail parks, hotels, hospitals and leisure centers.
• Reduce labor cost and management difficulty of parking lot system,Improve vehicle traffic efficiency.
• Ticketless/ card less parking lot management. Increased security and Parking access automation.
• Prevent car theft and prevent "ticket/card loss"

Nine models of hardware