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This work details Sighthounds fully automated license plate detection and recognition system. The core technology of the system is built using a sequence of deep Convolutional Neural Networks (CNNs) interlaced with accurate and efficient…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Syed Zain Masood , Guang Shu , Afshin Dehghan , Enrique G. Ortiz

Speeding is a major contributor to road fatalities, particularly in developing countries such as Uganda, where road safety infrastructure is limited. This study proposes a real-time intelligent traffic surveillance system tailored to such…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Bruce Mugizi , Sudi Murindanyi , Olivia Nakacwa , Andrew Katumba

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

License plate scanners have grown in popularity in parking lots during the past few years. In order to quickly identify license plates, traditional plate recognition devices used in parking lots employ a fixed source of light and shooting…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Siddharth Ganjoo

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

Traffic sign detection is essential for autonomous driving and Advanced Driver Assistance Systems (ADAS). However, existing methods struggle to address the challenges of poor image quality and insufficient information under low-light…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ziyu Lin , Yunfan Wu , Yuhang Ma , Junzhou Chen , Ronghui Zhang , Jiaming Wu , Guodong Yin , Liang Lin

Manual labeling for large-scale image and video datasets is often time-intensive, error-prone, and costly, posing a significant barrier to efficient machine learning workflows in fault detection from railroad videos. This study introduces a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Dylan Lester , James Gao , Samuel Sutphin , Pingping Zhu , Husnu Narman , Ammar Alzarrad

Car license plate recognition system is an image processing technology used to identify vehicles by capturing their Car License Plates. The car license plate recognition technology is also known as automatic number-plate recognition,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yiquan Gao

Recent years have seen significant developments in the field of License Plate Recognition (LPR) through the integration of deep learning techniques and the increasing availability of training data. Nevertheless, reconstructing license…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Valfride Nascimento , Rayson Laroca , Jorge de A. Lambert , William Robson Schwartz , David Menotti

Traffic signs are important facilities to ensure traffic safety and smooth flow, but may be damaged due to many reasons, which poses a great safety hazard. Therefore, it is important to study a method to detect damaged traffic signs.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Tengyang Chen , Jiangtao Ren

Automated car license plate recognition systems are developed and applied for purpose of facilitating the surveillance, law enforcement, access control and intelligent transportation monitoring with least human intervention. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2015-04-28 Hooi Sin Ng , Yong Haur Tay , Kim Meng Liang , Hamam Mokayed , Hock Woon Hon

In this report, we present some experienced improvements to YOLO series, forming a new high-performance detector -- YOLOX. We switch the YOLO detector to an anchor-free manner and conduct other advanced detection techniques, i.e., a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Zheng Ge , Songtao Liu , Feng Wang , Zeming Li , Jian Sun

Public datasets have played a key role in advancing the state of the art in License Plate Recognition (LPR). Although dataset bias has been recognized as a severe problem in the computer vision community, it has been largely overlooked in…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Rayson Laroca , Marcelo Santos , Valter Estevam , Eduardo Luz , David Menotti

License Plate Recognition Systems are used to determine the license plate number of a vehicle. The current system mainly uses Optical Character Recognition to recognize the number plate. There are several problems to this system. Some of…

Computer Vision and Pattern Recognition · Computer Science 2015-06-11 Jani Biju Babjan

This paper focuses on YOLO-LITE, a real-time object detection model developed to run on portable devices such as a laptop or cellphone lacking a Graphics Processing Unit (GPU). The model was first trained on the PASCAL VOC dataset then on…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Jonathan Pedoeem , Rachel Huang

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

Object detection and classification are crucial tasks across various application domains, particularly in the development of safe and reliable Advanced Driver Assistance Systems (ADAS). Existing deep learning-based methods such as…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Rashed Al Amin , Roman Obermaisser

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

Automatic license plate reader (ALPR) systems are widely deployed to identify and track vehicles. While prior work has demonstrated vulnerabilities in ALPR systems, far less attention has been paid to their legality and physical-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Nikhil Kalidasu , Sahana Ganapathy

License Plate Recognition plays an important role on the traffic monitoring and parking management. Administration and restriction of those transportation tools for their better service becomes very essential. In this paper, a fast and real…

Computer Vision and Pattern Recognition · Computer Science 2014-07-25 Reza Azad , Babak Azad , Hamid Reza Shayegh