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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…

计算机视觉与模式识别 · 计算机科学 2015-06-11 Jani Biju Babjan

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

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

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

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…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Yi Wang , Zhen-Peng Bian , Yunhao Zhou , Lap-Pui Chau

In the realm of research, the detection/recognition of text within images/videos captured by cameras constitutes a highly challenging problem for researchers. Despite certain advancements achieving high accuracy, current methods still…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Dat Tran-Anh , Khanh Linh Tran , Hoai-Nam Vu

Fully Automatic License Plate Recognition (ALPR) has been a frequent research topic due to several practical applications. However, many of the current solutions are still not robust enough in real situations, commonly depending on many…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Khalid Oublal , Xinyi Dai

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…

计算机视觉与模式识别 · 计算机科学 2017-01-24 Teik Koon Cheang , Yong Shean Chong , Yong Haur Tay

Automatic License Plate Recognition (ALPR) has been a frequent topic of research due to many practical applications. However, many of the current solutions are still not robust in real-world situations, commonly depending on many…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Rayson Laroca , Evair Severo , Luiz A. Zanlorensi , Luiz S. Oliveira , Gabriel Resende Gonçalves , William Robson Schwartz , David Menotti

In this work, we tackle the problem of car license plate detection and recognition in natural scene images. Inspired by the success of deep neural networks (DNNs) in various vision applications, here we leverage DNNs to learn high-level…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Hui Li , Chunhua Shen

Nowadays in developing or developed countries, the Intelligent Transportation System (ITS) technology has attracted so much attention to itself. License Plate Recognition (LPR) systems have many applications in ITSs, such as the payment of…

计算机视觉与模式识别 · 计算机科学 2014-09-16 Reza Azad , Mohammad Baghdadi

In this work, we tackle the problem of car license plate detection and recognition in natural scene images. We propose a unified deep neural network which can localize license plates and recognize the letters simultaneously in a single…

计算机视觉与模式识别 · 计算机科学 2017-09-27 Hui Li , Peng Wang , Chunhua Shen

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

Edge detection as a pre-processing stage is a fundamental and important aspect of the number plate extraction system. This is due to the fact that the identification of a particular vehicle is achievable using the number plate because each…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Bashir Olaniyi Sadiq

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…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Kihyun Na , Junseok Oh , Youngkwan Cho , Bumjin Kim , Sungmin Cho , Jinyoung Choi , Injung Kim

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…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Marcel Del Castillo Velarde , Gissel Velarde

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…

计算机视觉与模式识别 · 计算机科学 2014-07-25 Reza Azad , Babak Azad , Hamid Reza Shayegh

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…

计算机视觉与模式识别 · 计算机科学 2024-08-07 M. A. Sayedelahl

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.…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Alperen Elihos , Burak Balci , Bensu Alkan , Yusuf Artan

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