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License plate recognition in open environments is widely applicable across various domains; however, the diversity of license plate types and imaging conditions presents significant challenges. To address the limitations encountered by CNN…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Guangzhu Xu , Zhi Ke , Pengcheng Zuo , Bangjun Lei

This paper proposes LPRNet - end-to-end method for Automatic License Plate Recognition without preliminary character segmentation. Our approach is inspired by recent breakthroughs in Deep Neural Networks, and works in real-time with…

Computer Vision and Pattern Recognition · Computer Science 2018-06-28 Sergey Zherzdev , Alexey Gruzdev

We evaluated a lightweight Convolutional Neural Network (CNN) called LPRNet [1] for automatic License Plate Recognition (LPR). We evaluated the algorithm on two datasets, one composed of real license plate images and the other of synthetic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Marcel Del Castillo Velarde , Gissel Velarde

Automatic License Plate Recognition (ALPR) is becoming a popular study area and is applied in many fields such as transportation or smart city. However, there are still several limitations when applying many current methods to practical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Quang Huy Che , Tung Do Thanh , Cuong Truong Van

License plate recognition (LPR) is important for traffic law enforcement, crime investigation, and surveillance. However, license plate areas in dash cam images often suffer from low resolution, motion blur, and glare, which make accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Kihyun Na , Junseok Oh , Youngkwan Cho , Bumjin Kim , Sungmin Cho , Jinyoung Choi , Injung Kim

The development of the Automatic License Plate Recognition (ALPR) system has received much attention for the English license plate. However, despite being the sixth largest population around the world, no significant progress can be tracked…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Md. Saif Hassan Onim , Hussain Nyeem , Koushik Roy , Mahmudul Hasan , Abtahi Ishmam , Md. Akiful Hoque Akif , Tareque Bashar Ovi

License plate detection and recognition (LPDR) is of growing importance for enabling intelligent transportation and ensuring the security and safety of the cities. However, LPDR faces a big challenge in a practical environment. The license…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Xuewen Yang , Xin Wang

This work presents a pattern-aware framework for automatic license plate recognition (ALPR), designed to operate reliably across diverse plate layouts and challenging real-world conditions. The proposed system consists of a modern,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Elham Shabaninia , Fatemeh Asadi-zeydabadi , Hossein Nezamabadi-pour

Adoption of AI driven techniques in public services remains low due to challenges related to accuracy and speed of information at population scale. Computer vision techniques for traffic monitoring have not gained much popularity despite…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Anmol Singhal Navya Singhal

In this paper, we propose a real-time and accurate automatic license plate recognition (ALPR) approach. Our study illustrates the outstanding design of ALPR with four insights: (1) the resampling-based cascaded framework is beneficial to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Yi Wang , Zhen-Peng Bian , Yunhao Zhou , Lap-Pui Chau

Automatic license plate recognition plays a crucial role in modern transportation systems such as for traffic monitoring and vehicle violation detection. In real-world scenarios, license plate recognition still faces many challenges and is…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Song-Ren Wang , Hong-Yang Shih , Zheng-Yi Shen , Wen-Kai Tai

The issue of Automatic License Plate Recognition (ALPR) has been one of the most challenging issues in recent years. Weather conditions, camera angle of view, lighting conditions, different characters written on license plates, and many…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Soheila Hatami , Majid Sadedel , Farideh Jamali

License plate detection (LPD) is essential for traffic management, vehicle tracking, and law enforcement but faces challenges like variable lighting and diverse font types, impacting accuracy. Traditionally reliant on image processing and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Zahra Ebrahimi Vargoorani , Ching Yee Suen

While vehicle license plate recognition (VLPR) is usually done with a sliding window approach, it can have limited performance on datasets with characters that are of variable width. This can be solved by hand-crafting algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Teik Koon Cheang , Yong Shean Chong , Yong Haur Tay

Automated License Plate Recognition(ALPR) is a system that automatically reads and extracts data from vehicle license plates using image processing and computer vision techniques. The Goal of LPR is to identify and read the license plate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Noushin Afrin , Md Mahamudul Hasan , Mohammed Fazlay Elahi Safin , Khondakar Rifat Amin , Md Zahidul Haque , Farzad Ahmed , Md. Tanvir Rouf Shawon

Automatic License Plate Recognition (ALPR) is a challenging problem to the research community due to its potential applicability in the diverse geographical condition over the globe with varying license plate parameters. Any ALPR system…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Satadal Saha

With the development of deep learning, Neural Network is commonly adopted to the License Plate Detection (LPD) task and achieves much better performance and precision, especially CNN-based networks can achieve state of the art RetinaNet[1].…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Wenyun Li , Chi-Man Pun

Forensic license plate recognition (FLPR) remains an open challenge in legal contexts such as criminal investigations, where unreadable license plates (LPs) need to be deciphered from highly compressed and/or low resolution footage, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Denise Moussa , Anatol Maier , Andreas Spruck , Jürgen Seiler , Christian Riess

Automatic License Plate detection and Recognition (ALPR) is a quite popular and active research topic in the field of computer vision, image processing and intelligent transport systems. ALPR is used to make detection and recognition…

Computer Vision and Pattern Recognition · Computer Science 2019-10-07 Zied Selmi , Mohamed Ben Halima , Umapada Pal , M. Adel Alimi

In this paper, we present an algorithm for real-world license plate recognition (LPR) from a low-quality image. Our method is built upon a framework that includes denoising and rectification, and each task is conducted by Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Younkwan Lee , Juhyun Lee , Hoyeon Ahn , Moongu Jeon
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