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License Plate Detection with Machine Learning Without Using Number Recognition

  • In autonomous driving, detecting vehicles together with their parts, such as a license plate is important. Many methods with using deep learning detect the license plate based on number recognition. However, there is an idea that the method using deep learning is difficult to use for autonomous driving because of the complexity in realizing deterministic verification. Therefore, development of a method that does not use deep learning(DL) has become important again. Although the authors have made the world's best performance in 2018 for Caltech data with using DL, this concept has now turned to another research without using DL. The CT5L method is the latest type, that includes techniques of the continuity of vertical and horizontal black-and-white pixel values inside the plate, unique Hough transform, only vertical and horizontal lines are detected, the top five in the order of the number of votes to ensure good performance. In this paper, a method to determine the threshold value for binarizing input by machine learning is proposed,In autonomous driving, detecting vehicles together with their parts, such as a license plate is important. Many methods with using deep learning detect the license plate based on number recognition. However, there is an idea that the method using deep learning is difficult to use for autonomous driving because of the complexity in realizing deterministic verification. Therefore, development of a method that does not use deep learning(DL) has become important again. Although the authors have made the world's best performance in 2018 for Caltech data with using DL, this concept has now turned to another research without using DL. The CT5L method is the latest type, that includes techniques of the continuity of vertical and horizontal black-and-white pixel values inside the plate, unique Hough transform, only vertical and horizontal lines are detected, the top five in the order of the number of votes to ensure good performance. In this paper, a method to determine the threshold value for binarizing input by machine learning is proposed, and good results are obtained. The detection rate is improved by about 20 points in percent as compared to the fixed case. It achieves the best performance among the conventional fixed threshold method, Otsu's method, and the conventional method of JavaANPR.show moreshow less

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Metadaten
Author:Kazuo Ohzeki, Max Geigis, Stefan-Alexander SchneiderORCiDGND
URL / DOI:https://ieeexplore.ieee.org/document/8860029
DOI:https://doi.org/10.15439/2019F121
Identifier:9788395235788 OPAC HS OPAC extern
Identifier:2300-5963 OPAC HS OPAC extern
Parent Title (English):Proceedings of the Federated Conference on Computer Science and Information Systems
Editor:Maria Ganzha, Leszek Maciaszek, Marcin Paprzycki
Document Type:conference proceeding (article)
Conference:2019 Federated Conference on Computer Science and Information Systems (FedCSIS), 1-4 September 2019, Leipzig, Germany
Language:English
Date of Publication (online):2019/02/01
Year of first Publication:2019
Article Number:8860029
Number of pages:8 Seiten
First Page:333
Last Page:340
Institutes:Fakultät Elektrotechnik
Research focus:FSP2: Mobilität
Publication Lists:Schneider, Stefan-Alexander
Publication reviewed:begutachtet
Release Date:2021/02/16
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