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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 recognition plays an important role on the traffic monitoring and parking management systems. In this paper, a fast and real time method has been proposed which has an appropriate application to find tilt and poor quality…

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

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

License plate detection is the first and essential step of the license plate recognition system and is still challenging in real applications, such as on-road scenarios. In particular, small-sized and oblique license plates, mainly caused…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Song-Lu Chen , Shu Tian , Jia-Wei Ma , Qi Liu , Chun Yang , Feng Chen , Xu-Cheng Yin

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

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

We propose an automatic framework for toll collection, consisting of three steps: vehicle type recognition, license plate localization, and reading. However, each of the three steps becomes non-trivial due to image variations caused by…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Muhammad Usama , Hafeez Anwar , Abbas Anwar , Saeed Anwar

In the pursuit of advancing the state-of-the-art (SOTA) in road safety, traffic monitoring, surveillance, and logistics automation, we introduce the Global License Plate Dataset (GLPD). The dataset consists of over 5 million images,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Siddharth Agrawal

License plate recognition systems have a very important role in many applications such as toll management, parking control, and traffic management. In this paper, a framework of deep convolutional neural networks is proposed for Iranian…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Mojtaba Shahidi Zandi , Roozbeh Rajabi

Traditional license plate detection and recognition models are often trained on closed datasets, limiting their ability to handle the diverse license plate formats across different regions. The emergence of large-scale pre-trained models…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Haoxuan Ding , Qi Wang , Junyu Gao , Qiang Li

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

Smart automated traffic enforcement solutions have been gaining popularity in recent years. These solutions are ubiquitously used for seat-belt violation detection, red-light violation detection and speed violation detection purposes.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Alperen Elihos , Burak Balci , Bensu Alkan , Yusuf Artan

Vehicle tracking is an integral part of intelligent traffic management systems. Previous implementations of vehicle tracking used Global Positioning System(GPS) based systems that gave location of the vehicle of an individual on their…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Lalit Lakshmanan , Yash Vora , Raj Ghate

Reading dirty license plates accurately in moving vehicles is challenging for automatic license plate recognition systems. Moreover, license plates are often intentionally tampered with a malicious intent to avoid police apprehension.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Bishal Shrestha , Griwan Khakurel , Kritika Simkhada , Badri Adhikari

Despite significant advancements in License Plate Recognition (LPR) through deep learning, most improvements rely on high-resolution images with clear characters. This scenario does not reflect real-world conditions where traffic…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Valfride Nascimento , Rayson Laroca , Rafael O. Ribeiro , William Robson Schwartz , David Menotti

Recognition of the surrounding environment using a camera is an important technology in Advanced Driver-Assistance Systems and Autonomous Driving, and recognition technology is often solved by machine learning approaches such as deep…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Genya Ogawa , Toru Saito , Noriyuki Aoi

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

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

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

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