Evaluating the use of OCR on a Mobile Device 

Presented by : Hamed Alharbi

Supervisor by :Dr Brett Wilkinson

Outline

IntroductionBackground MethodologyProject GoalsTimelineConclusion

Introduction

This project will look at OCR with mobile devices for the purpose license plate recognition.

What is OCR ?Optical Character Recognition

Why mobile application

Background History of OCR[1]

Types of OCR

OCR – OWR – ICR – IWR [1]

Techniques[2]

Pre-processingCharacter recognitionPost-processing

Accuracy[2]

1. Schantz, Herbert F. (1982). The history of OCR, optical character recognition. [Manchester Center, Vt.]: Recognition Technologies Users Association. ISBN 9780943072012.

2. Holley, Rose (2009). How Good Can It Get? Analyzing and Improving OCR Accuracy in Large Scale Historic Newspaper Digitization Programs

.

Implementation of OCR

The ability to recognize characters and text from images has been investigated for a number of years

Implementation issuesWhy to use Tesseract library for OCR?[3]

Expected difficulties lighting , font type , reflective surfaces, and motion.Refernc3. http://tesseract-ocr.googlecode.com/files/TesseractOSCON.pdf

Project Goals

Identify challenges to implement the applicationImplementation of OCR for mobile deviceDetermine the usability of a live systemIdentify benefits of the application Explore possible use of local database to get license

informationExtensibility of the system through the use of

remote data stores

TimelineMarch April May June July August September October November

Proposal seminar

Literature review

Technical investigation

Implementation

Evaluation

Result seminar

Writing final report

Conclusion

This project will implement OCR on mobile devices to recognize vehicle license plate characters

Future WorkConnecting the application to a remote database or web

service to get license information

?Questions