NDLI: Extraction of license plate region in Automatic License Plate Recognition

Content Provider	IEEE Xplore Digital Library
Author	Megalingam, R.K. Krishna, P. Somarajan, P. Pillai, V.A. Hakkim, R.U.
Copyright Year	2010
Description	Author affiliation: Department of Electronics and Communication, Amrita Vishwa Vidyapeetham, Kollam 690525, India (Megalingam, R.K.; Krishna, P.; Somarajan, P.; Pillai, V.A.; Hakkim, R.U.)
Abstract	Automatic License Plate Recognition (LPR) is a technique involving image processing which is used to identify a vehicle by reading its license plate. In this paper we propose a system which is capable of extracting the license plate region from the vehicle's image taken from its rear end. The system consists of a digital camera, software to interface the camera with the software module and the software module which extracts and recognizes the license plate number. The camera captures the image of pre-defined resolution and passes it to the software module. The software module forms the heart of the entire system. It analyzes the input image, identifies the location of the license plate, segments the characters on it and recognizes the characters. The plate region is extracted by using the concept of connected components in the image (mathematical morphology). The characters in the license plate were segmented using digital image labeling and character recognition was done using template matching. The algorithm was implemented in MATLAB and the results obtained agreed with theoretical predictions. The first part of the paper discusses related works and areas of application. The later part of the paper shows experimental verification of the algorithm and test results.
Starting Page	496
Ending Page	501
File Size	1336120
Page Count	6
File Format	PDF
ISBN	9781424481002
e-ISBN	9781424481026
DOI	10.1109/ICMET.2010.5598409
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-10
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Image recognition Image color analysis License Plate Recognition Documentation Feature extraction Software LPR
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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