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A Fast Algorithm for License Plate Detection in Various Conditions

Huaifeng Zhang, Wenjing Jia, Xiangjian He, Qiang Wu
2006 2006 IEEE International Conference on Systems, Man and Cybernetics  
In this paper, we propose a fast algorithm for detecting license plate in various conditions. Both statistical features and Haar-like features are used in our algorithm.  ...  The first contribution is that we define a new vertical edge map, with which the license plate detection algorithm is extremely fast.  ... 
doi:10.1109/icsmc.2006.385226 dblp:conf/smc/ZhangJHW06 fatcat:wipaonrz75g47pmqxzctbcplou

Fast Cartoon-Texture Decomposition Filtering Based License Plate Detection Method

Yingjun Wang, Chenping Zhao, Xiaoyan Liu, Mingfu Zhao, Linfeng Bai
2018 Mathematical Problems in Engineering  
Combining the edge detection, morphological filtering and Radon transform based tilt correction method, we formulate a new license plate detection algorithm.  ...  In this paper, we introduce a fast cartoon-texture decomposition filter into the detection process.  ...  Hence, An efficient and accurate license plate detection algorithm under practical scenarios is much critical for a system to work in real-time [1] [2] [3] .  ... 
doi:10.1155/2018/3901906 fatcat:rcttguctqvbtnc5cewfl7xuy2e

Novel and Fast Algorithm for Extracting License Plate Location Based on Edge Analysis [article]

Reza Azad, Mohammad Baghdadi
2014 arXiv   pre-print
This paper presents a new and fast method for license plate extraction based on edge analysis. our proposed method consist of four stage, which are edge detection, non-useable edge and noise removing,  ...  From the experimental results it is shown that the proposed method gives fairly acceptable level of accuracy for practical license plate recognition system.  ...  A wavelet transformbased algorithm is used in [6] for extraction of the important features to be used for license plate location. This method can locate more than one license plate in an image.  ... 
arXiv:1407.6496v2 fatcat:5m4k3xmxdnc5dpwhexxxk7zcie

Research and Implementation of Fast-LPRNet Algorithm for License Plate Recognition

Zhichao Wang, Yu Jiang, Jiaxin Liu, Siyu Gong, Jian Yao, Feng Jiang, Iouliia Skliarova
2021 Journal of Electrical and Computer Engineering  
Network- (CNN-) based license plate recognition algorithm-Fast-LPRNet is proposed.  ...  Aiming at the problems of traditional license plate recognition algorithms such as the low accuracy, slow speed, and the recognition rate being easily affected by the environment, a Convolutional Neural  ...  Having studied the target detection algorithms, Safaei found that the training time of Fast-RCNN algorithm detection was reduced by 9.5 h, which opened up a new research path for target detection algorithms  ... 
doi:10.1155/2021/8592216 fatcat:vhacospidfdilacqj7ibmkzwsm

Automatic Car License Plate Detection System for Odd and Even Series

Sapna Gaur, Sweta Singh
2016 International Journal of Computer Applications  
Thus, this work is a preliminary effort in developing an automatic car license plate detection system for odd-even based systems and it also supports the classification of car license based on the color  ...  This work makes use of integration of SURF, Multiclass SVM and OCR for car license plate detection system.The proposed system is very fast and accurate results are obtained in less time.  ...  Anagnostopoulos, VassiliLoumos, and EleftheriosKayafas, "A License Plate-Recognition Algorithm for Intelligent Transportation System Applications," pp. 377-392, 2006.  ... 
doi:10.5120/ijca2016911557 fatcat:tho6sfernjagvm3gvd3nwhf4ou

Extraction of Character Regions through Machine Learning and Filtering

2019 International journal of recent technology and engineering  
This study proposes a new method of excluding background regions and accurately detecting character regions from input images with the uses of MCT features and Adaboost algorithm.  ...  The proposed character detection method is expected to be usefully applied to the fields of pattern recognition and image processing, such as store sign recognition and license plate recognition.  ...  As for the candidate character region that has an angular point detected, the length of the left side are compared with that of the right side in a license plate, as shown in (2)      ) 2 . 0 )  ... 
doi:10.35940/ijrte.b1059.0782s619 fatcat:wosfdgg6vnhvddndaeloj2yg3y

Real-time Automated Detection and Recognition of Nigerian License Plates via Deep Learning Single Shot Detection and Optical Character Recognition

Kayode David Adedayo, Ayomide Oluwaseyi Agunloye
2021 Computer and Information Science  
These models were combined with a unique image preprocessing algorithm for character segmentation and tested using a general-purpose personal computer on a new collection of 200 automobiles with license  ...  In this work, a pretrained SSD model and a tesseract tessdata-fast traineddata were fine-tuned on a dataset of more than 2,000 images of vehicles with license plate.  ...  In this study, we combined a light SSD mobilenetV2 CNN license plate object detector with a fast OCR engine to obtain higher plate detection and recognition accuracy at a real-time inferencing speed.  ... 
doi:10.5539/cis.v14n4p11 fatcat:yywrddudprenvg46uwwv54rjei

License Plate Localization Method Based on VerticalEdge Detection

Neha Rana, Pawan Kumar Dahiya
2017 International Journal of Advanced Research in Computer Science and Software Engineering  
In our examination, a powerful algorithm for plate recognition which is able to recognize plates having different dimensions in unaccustomed and complicated backgrounds.License plate detection is first  ...  The paper defines an algorithm to detect license plate.The plate is detected based on its edge density features.  ...  Here is a proposal for a design of a new genetic algorithm, which is introduced to detect the license plate location.  ... 
doi:10.23956/ijarcsse/sv7i5/0337 fatcat:ennvzgwbtvdjzoqgw3tkse3fv4

Segmenting Characters from License Plate Images with Little Prior Knowledge

Wenjing Jia, Xiangjian He, Qiang Wu
2010 2010 International Conference on Digital Image Computing: Techniques and Applications  
In this paper, to enable a fast and robust system for automatically recognizing license plates with various appearances, new and simple but efficient algorithms are developed to segment characters from  ...  Our goal is to segment characters properly from a license plate image region.  ...  Although in many cases the format of targeted license plates are predefined and can become available for algorithm design, the variety of the format from plate to plate is still a big trouble for segmentation  ... 
doi:10.1109/dicta.2010.48 dblp:conf/dicta/JiaHW10 fatcat:hbv3ybaxuvcefoimlskj4ldpdq

A Fast and Robust License Plate Detection Algorithm Based on Two-stage Cascade AdaBoost

2014 KSII Transactions on Internet and Information Systems  
by an AdaBoost algorithm is used to classify parts of an image within a search window as either license plate or non-license plate.  ...  License plate detection (LPD) is one of the most important aspects of an automatic license plate recognition system.  ...  learning algorithm for a high detection rate and fast processing time.  ... 
doi:10.3837/tiis.2014.10.012 fatcat:hgilnfrkp5cbjg44nknnyqqg3q

Research on Intelligent Recognition System for Traffic Violation

2018 DEStech Transactions on Computer Science and Engineering  
For the realization that the system integrates the forensics of violation with license plate recognition in all day time, this paper proposes a set of efficient and robust vehicle detection and tracking  ...  Vehicle detection was realized by the visual features of the license plate and color characteristic of the taillight to detect edge differential motion between image frames.  ...  , in a disallowed weekday) and reporting vehicle license plate recognition in real-time.  ... 
doi:10.12783/dtcse/iceiti2017/18921 fatcat:fmqzlbqfznccjowddnxw3ph7fy

Automatic Number Plate Recognition (ANPR) With E-challan using Super Resolution Algorithm

Prof Supriya Thombre
2020 Bioscience Biotechnology Research Communications  
The proposed method can be used for the detection of license plates in each frame of a video sequence, detecting license plates partially and the detection of license plates using moving cameras and vehicles  ...  This network has proven for fast object detection in a real-time scenario [Praveen Ravirathinam 2020] .  ... 
doi:10.21786/bbrc/13.14/54 fatcat:boigdiyqpbgcjnbv35qbkpkefi

Research on Algorithm of Locating License Plate and Problem of Redundant Trailer Image in Real Traffic

2018 DEStech Transactions on Computer Science and Engineering  
training model for classifying plate images.  ...  Locating license plate area in an image is crucial to traffic recognition.  ...  This algorithm has fast speed and high efficiency, getting better effects in the case of multiple license plates in one image.  ... 
doi:10.12783/dtcse/iceiti2017/18920 fatcat:w7aq7ymqjzceraubrm2k6gxijq

Towards Automatic License Plate Detection

Zahid Mahmood, Khurram Khan, Uzair Khan, Syed Hasan Adil, Syed Saad Azhar Ali, Mohsin Shahzad
2022 Sensors  
The proposed algorithm initially detects vehicle(s) in the input image through Faster R-CNN. Later, the located vehicle is analyzed by a robust License Plate Localization Module (LPLM).  ...  The proposed work demonstrates a great feasibility for security and target detection applications.  ...  Algorithm 1 shows the pseudo code of our developed algorithm for license plate detection in which the vehicle detection module is applied from lines (1) to (21) .  ... 
doi:10.3390/s22031245 pmid:35161988 pmcid:PMC8837969 fatcat:nl7vxefkzfhf7oghc3fxya2d44

Sensor network based vehicle classification and license plate identification system

Jan Frigo, Vinod Kulathumani, Sean Brennan, Ed Rosten, Eric Raby
2009 2009 Sixth International Conference on Networked Sensing Systems (INSS)  
In this paper, we describe the design and implementation of two such systems: a vehicle classifier based on acoustic signals and a license plate identification system using a camera.  ...  Typically, for energy efficiency and scalability purposes, sensor networks have been used in the context of environmental and traffic monitoring applications in which operations at the sensor level are  ...  The license plate detection system uses a camera to capture vehicle images and an efficient learning algorithm to reduce the original image to license plate pixels.  ... 
doi:10.1109/inss.2009.5409916 fatcat:qwrdwbri6bff3jr5zok5ipk5i4
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