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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

Video-based Automatic License Plate Recognition (ALPR) involves extracting vehicle license plate text information from video captures. Traditional systems typically rely heavily on high-end computing resources and utilize multiple frames to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Victor Nascimento Ribeiro , Nina S. T. Hirata

Automatic license plate recognition (ALPR) and vehicle make and model recognition underpin intelligent transportation systems, supporting law enforcement, toll collection, and post-incident investigation. Applying these methods to videos…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Pouya Parsa , Keya Li , Kara M. Kockelman , Seongjin Choi

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

Automatic License Plate Recognition is a frequent research topic due to its wide-ranging practical applications. While recent studies use synthetic images to improve License Plate Recognition (LPR) results, there remain several limitations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Rayson Laroca , Valter Estevam , Gladston J. P. Moreira , Rodrigo Minetto , David Menotti

Extracting vehicle information from surveillance images is essential for intelligent transportation systems, enabling applications such as traffic monitoring and criminal investigations. While Automatic License Plate Recognition (ALPR) is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Gabriel E. Lima , Valfride Nascimento , Eduardo Santos , Eduil Nascimento , Rayson Laroca , David Menotti

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

Automatic Number Plate Recognition (ALPR) is a system for automatically identifying the license plates of any vehicle. This process is important for tracking, ticketing, and any billing system, among other things. With the use of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Md Abdullah Al Nasim , Atiqul Islam Chowdhury , Jannatun Naeem Muna , Faisal Muhammad Shah

Real-world License Plate Recognition (LPR) faces significant challenges from severe degradations such as motion blur, low resolution, and complex illumination. The prevailing "restoration-then-recognition" two-stage paradigm suffers from a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Haoyan Gong , Hongbin Liu

In this paper, we propose an automatic and mechanized license and number plate recognition (LNPR) system which can extract the license plate number of the vehicles passing through a given location using image processing algorithms. No…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Hamed Saghaei

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

NLP benchmarks rely on standardized datasets for training and evaluating models and are crucial for advancing the field. Traditionally, expert annotations ensure high-quality labels; however, the cost of expert annotation does not scale…

Computation and Language · Computer Science 2025-09-15 Omer Nahum , Nitay Calderon , Orgad Keller , Idan Szpektor , Roi Reichart

This paper introduces a novel two-stage framework for accurate Egyptian Vehicle License Plate Recognition (EVLPR). The first stage employs image processing techniques to reliably localize license plates, while the second stage utilizes a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 M. A. Sayedelahl

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

Chinese License Plate Recognition (CLPR) faces numerous challenges in unconstrained and complex environments, particularly due to perspective distortions caused by various shooting angles and the correction of single-line and double-line…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Guangzhu Xu , Pengcheng Zuo , Zhi Ke , Bangjun Lei

Although most current license plate (LP) recognition applications have been significantly advanced, they are still limited to ideal environments where training data are carefully annotated with constrained scenes. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Younkwan Lee , Jiwon Jun , Yoojin Hong , Moongu Jeon

The Intelligent Transportation Systems (ITS) are the subject of a world economic competition. They are the application of new information and communication technologies in the transport sector, to make the infrastructures more efficient,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Mustapha Saidallah , Fatimazahra Taki , Abdelbaki El Belrhiti El Alaoui , Abdeslam El Fergougui

Robust license plate recognition in unconstrained environments remains a significant challenge, particularly in underrepresented regions with limited data availability and unique visual characteristics, such as Bolivia. Recognition accuracy…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Guillermo Auza Banegas , Diego Calvimontes Vera , Sergio Castro Sandoval , Natalia Condori Peredo , Edwin Salcedo

Despite the evident practical importance of license plate recognition (LPR), corresponding research is limited by the volume of publicly available datasets due to privacy regulations such as the General Data Protection Regulation (GDPR). To…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Mariia Shpir , Nadiya Shvai , Amir Nakib

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