Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment

License plate recognition systems are widely used in modern smart cities, such as toll payment systems, parking fee payment systems and residential access control. Such electronic systems are not only convenient for people’s daily life, but also provide safe and efficient services for man...

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Main Authors: Wang Weihong, Tu Jiaoyang
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9092977/
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author Wang Weihong
Tu Jiaoyang
author_facet Wang Weihong
Tu Jiaoyang
author_sort Wang Weihong
collection DOAJ
description License plate recognition systems are widely used in modern smart cities, such as toll payment systems, parking fee payment systems and residential access control. Such electronic systems are not only convenient for people’s daily life, but also provide safe and efficient services for managers. License plate recognition algorithm is a mature but imperfect technology. The traditional location recognition algorithm is easily affected by light, shadow, background complexity or other factors, resulting in the failure to meet the application of real scenes. With the development of deep learning, the license plate recognition algorithm can extract deeper features, thus greatly improving the detection and recognition accuracy. Therefore, this paper discusses the application of deep learning in license plate recognition, and the main work is as follows: 1) Introduce the most advanced algorithms from the three main technical difficulties: license plate skew, image noise and license plate blur; 2) According to the process, the deep learning algorithms are classified into direct detection algorithms and indirect detection algorithms, and the advantages and disadvantages of the current license plate detection algorithms and character recognition algorithms are analyzed; 3) The differences in data sets, workstation, accuracy and time of different license plate recognition systems are compared; 4) Compare and illustrate the existing public license plate datasets according to the number of pictures, resolution and environmental complexity, and make a prospect for the future research direction of license plate recognition.
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spelling doaj.art-f09f5a1bb3f946c5a9ba46a763cecb862022-12-22T02:52:05ZengIEEEIEEE Access2169-35362020-01-018916619167510.1109/ACCESS.2020.29942879092977Research on License Plate Recognition Algorithms Based on Deep Learning in Complex EnvironmentWang Weihong0Tu Jiaoyang1https://orcid.org/0000-0002-3229-0490Department of Computing, Zhejiang University of Technology, Hangzhou, ChinaSchool of Computing, Zhejiang University of Technology, Hangzhou, ChinaLicense plate recognition systems are widely used in modern smart cities, such as toll payment systems, parking fee payment systems and residential access control. Such electronic systems are not only convenient for people’s daily life, but also provide safe and efficient services for managers. License plate recognition algorithm is a mature but imperfect technology. The traditional location recognition algorithm is easily affected by light, shadow, background complexity or other factors, resulting in the failure to meet the application of real scenes. With the development of deep learning, the license plate recognition algorithm can extract deeper features, thus greatly improving the detection and recognition accuracy. Therefore, this paper discusses the application of deep learning in license plate recognition, and the main work is as follows: 1) Introduce the most advanced algorithms from the three main technical difficulties: license plate skew, image noise and license plate blur; 2) According to the process, the deep learning algorithms are classified into direct detection algorithms and indirect detection algorithms, and the advantages and disadvantages of the current license plate detection algorithms and character recognition algorithms are analyzed; 3) The differences in data sets, workstation, accuracy and time of different license plate recognition systems are compared; 4) Compare and illustrate the existing public license plate datasets according to the number of pictures, resolution and environmental complexity, and make a prospect for the future research direction of license plate recognition.https://ieeexplore.ieee.org/document/9092977/Image processingimage analysisimage classificationlicense plate recognitiondeep learning
spellingShingle Wang Weihong
Tu Jiaoyang
Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
IEEE Access
Image processing
image analysis
image classification
license plate recognition
deep learning
title Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
title_full Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
title_fullStr Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
title_full_unstemmed Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
title_short Research on License Plate Recognition Algorithms Based on Deep Learning in Complex Environment
title_sort research on license plate recognition algorithms based on deep learning in complex environment
topic Image processing
image analysis
image classification
license plate recognition
deep learning
url https://ieeexplore.ieee.org/document/9092977/
work_keys_str_mv AT wangweihong researchonlicenseplaterecognitionalgorithmsbasedondeeplearningincomplexenvironment
AT tujiaoyang researchonlicenseplaterecognitionalgorithmsbasedondeeplearningincomplexenvironment