NDLI: Optical Character Recognition Improvement for License Plate Recognition in Indonesia

Content Provider	IEEE Xplore Digital Library
Author	Hidayatullah, P. Syakrani, N. Suhartini, I. Muhlis, W.
Copyright Year	2012
Abstract	Automatic license plate recognition is useful in a lot of applications. There are a lot of methods used for that purpose and one of which is Optical Character Recognition (OCR). OCR in this paper is used to recognize optically processed printed character in license plate number which is based on template matching. Jaccard similarity index is used to measure the similarity between the actual and detected license number. We found some factors that affect the effectiveness of template matching based Optical Character Recognition in recognizing the license plate number. Those factors are font type, template resolution, noise, tilting and the painting. We have done some improvement for the Indonesian condition by using a more relevant font type, construction a new template with higher resolution, and removing more noise. The result is the increase of average Jaccard similarity by 21,67 percent and the reduced of number of noise detected by 99,04 percent.
Starting Page	249
Ending Page	254
File Size	431968
Page Count	6
File Format	PDF
ISBN	9781467349772
DOI	10.1109/EMS.2012.95
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-14
Publisher Place	Malta
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Jaccard Similarity Index Accuracy Noise license plate recognition Licenses template matching Optical imaging Optical character recognition software Character recognition Vehicles OCR
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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