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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…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Anmol Singhal Navya Singhal

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…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Syed Zain Masood , Guang Shu , Afshin Dehghan , Enrique G. Ortiz

This paper presents a new approach for the automatic license plate recognition, which includes the SIFT algorithm in step to locate the plate in the input image. In this new approach, besides the comparison of the features obtained with the…

计算机视觉与模式识别 · 计算机科学 2013-03-08 Francisco Assis da Silva , Almir Olivette Artero , Maria Stela Veludo de Paiva , Ricardo Luis Barbosa

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…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Pouya Parsa , Keya Li , Kara M. Kockelman , Seongjin Choi

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…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Lalit Lakshmanan , Yash Vora , Raj Ghate

Automatic License Plate Recognition (ALPR) faces a major challenge when dealing with illegible license plates (LPs). While reconstruction methods such as super-resolution (SR) have emerged, the core issue of recognizing these low-quality…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Lucas Wojcik , Gabriel E. Lima , Valfride Nascimento , Eduil Nascimento , Rayson Laroca , David Menotti

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…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Guangzhu Xu , Zhi Ke , Pengcheng Zuo , Bangjun Lei

Recent advancements in super-resolution for License Plate Recognition (LPR) have sought to address challenges posed by low-resolution (LR) and degraded images in surveillance, traffic monitoring, and forensic applications. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Valfride Nascimento , Gabriel E. Lima , Rafael O. Ribeiro , William Robson Schwartz , Rayson Laroca , David Menotti

Automatic License Plate Recognition (ALPR) has been the focus of many researches in the past years. In general, ALPR is divided into the following problems: detection of on-track vehicles, license plates detection, segmention of license…

计算机视觉与模式识别 · 计算机科学 2016-11-01 Gabriel Resende Gonçalves , Sirlene Pio Gomes da Silva , David Menotti , William Robson Schwartz

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…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Md Abdullah Al Nasim , Atiqul Islam Chowdhury , Jannatun Naeem Muna , Faisal Muhammad Shah

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…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Soheila Hatami , Majid Sadedel , Farideh Jamali

Visual place recognition (VPR) is one of the research hotspots in robotics, which uses visual information to locate robots. Recently, the hierarchical two-stage VPR methods have become popular in this field due to the trade-off between…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Feng Lu , Lijun Zhang , Shuting Dong , Baifan Chen , Chun Yuan

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…

计算机视觉与模式识别 · 计算机科学 2016-10-17 Hamed Saghaei

Automatic Number Plate Recognition System (ANPRS) is a mass surveillance embedded system that recognizes the number plate of the vehicle. This system is generally used for traffic management applications. It should be very efficient in…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Zuhaib Akhtar , Rashid Ali

Benefiting from the rapid development of convolutional neural networks, the performance of car license plate detection and recognition has been largely improved. Nonetheless, most existing methods solve detection and recognition problems…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Shuxin Qin , Sijiang Liu

Automatic License Plate Recognition (ALPR) systems have shown remarkable performance on license plates (LPs) from multiple regions due to advances in deep learning and the increasing availability of datasets. The evaluation of deep ALPR…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Rayson Laroca , Everton V. Cardoso , Diego R. Lucio , Valter Estevam , David Menotti

Large-scale visual place recognition (VPR) is inherently challenging because not all visual cues in the image are beneficial to the task. In order to highlight the task-relevant visual cues in the feature embedding, the existing attention…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Guohao Peng , Yufeng Yue , Jun Zhang , Zhenyu Wu , Xiaoyu Tang , Danwei Wang

In real-world traffic surveillance, vehicle images captured under adverse weather, poor lighting, or high-speed motion often suffer from severe noise and blur. Such degradations significantly reduce the accuracy of license plate recognition…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Cuong Nguyen , Dung T. Tran , Hong Nguyen , Xuan-Vu Phan , Nam-Phong Nguyen

Automatic License Plate Recognition (ALPR) is a challenging area of research due to its importance to variety of commercial applications. The overall problem may be subdivided into two key modules, firstly, localization of license plates…

计算机视觉与模式识别 · 计算机科学 2015-01-26 Satadal Saha , Subhadip Basu , Mita Nasipuri , Dipak Kumar Basu

Lane detection is critical for autonomous driving and ad-vanced driver assistance systems (ADAS). While recent methods like CLRNet achieve strong performance, they struggle under adverse con-ditions such as extreme weather, illumination…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Kunyang Li , Ming Hou