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License plate recognition method and device, electronic equipment and storage medium

A license plate recognition and license plate technology, applied in the field of image processing, can solve problems such as recognition errors and low accuracy of license plate recognition equipment, and achieve the effects of improving accuracy, improving vehicle management processes, and reducing operating costs

Pending Publication Date: 2021-10-08
HANGZHOU HOPECHART
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the accuracy of license plate recognition is affected by many factors, such as the shooting angle of the camera, driving speed, external ambient light, occlusion, license plate defacement, similar characters of the license plate, etc. Due to the existence of various influencing factors, the license plate recognition system sometimes fails. Misrecognition occurs when a vehicle enters or exits a specific scene
At present, the accuracy of license plate recognition equipment based on video image license plate recognition is not high, and the recognition rate of the license plate recognition system still has a lot of room for improvement

Method used

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  • License plate recognition method and device, electronic equipment and storage medium
  • License plate recognition method and device, electronic equipment and storage medium
  • License plate recognition method and device, electronic equipment and storage medium

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Embodiment Construction

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

[0042] Such as figure 1 As shown, a license plate recognition method provided in the embodiment of the present application includes:

[0043] Step 101: Obtain the license plate area image of the target vehicle passing through a specific scene, perform feature recognition on the license plate area image, and obtain the license plate type of the target vehicle;

[0044] In this step, taking the scene at the exit of a construction site or a storage yard as an example, the image of the license plat...

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Abstract

The embodiment of the invention discloses a license plate recognition method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a license plate region image when a target vehicle passes through a specific scene, carrying out the feature recognition of the license plate region image, and obtaining the license plate type of the target vehicle; determining a license plate character combination rule of the target vehicle according to the license plate type of the target vehicle; inputting the license plate area image into a character recognition model to obtain a character recognition result of the target vehicle; and determining a license plate recognition result of the target vehicle according to the license plate character combination rule of the target vehicle and the character recognition result of the target vehicle. According to the embodiment of the invention, the license plate of the target vehicle is recognized through the license plate character combination rule and characters, the accuracy of license plate recognition is improved, and the vehicle management process is perfected.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to a license plate recognition method, device, electronic equipment and storage medium. Background technique [0002] Large vehicles are the focus of urban construction, and scientific management of vehicles on various construction sites is an important part of reducing transportation costs. With the acceleration of urban construction and the continuous increase of small industrial sites, unified vehicle management has brought challenges. [0003] In order to meet the above challenges, the license plate recognition system came into being, which is widely used in specific scenarios because of its advantages of reducing vehicle management and operating costs. However, the accuracy of license plate recognition is affected by many factors, such as the shooting angle of the camera, driving speed, external ambient light, occlusion, license plate defacement, similar cha...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06N3/045G06N3/044G06F18/241
Inventor 杜超孙兴汪寒彭文龙顾鹏笠
Owner HANGZHOU HOPECHART
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