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METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES

Conversion from gray scale or color document image into binary image is the main step in most of optical character recognition (OCR) systems and document analysis. After digitization, document images often suffer from poor contrast, noise, non-uniform lighting, and shadow. Also when a page of a b...

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Main Author: LABIB FARAG, MARIAN WAGDY
Format: Thesis
Language:English
Published: 2014
Subjects:
Q Science (General)
Online Access:http://utpedia.utp.edu.my/21187/1/2014-COMPUTER%20AND%20INFORMATION-METHODS%20FOR%20DOCUMENT%20IMAGE%20ANALYSIS%20BASED%20ON%20RETINEX%20THEORY%20AND%20ELLIPSE%20SHAPES-MARIAN%20WAGDY%20LABIB%20FARAG.pdf
http://utpedia.utp.edu.my/21187/
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spelling my-utp-utpedia.211872021-09-16T00:37:25Z http://utpedia.utp.edu.my/21187/ METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES LABIB FARAG, MARIAN WAGDY Q Science (General) Conversion from gray scale or color document image into binary image is the main step in most of optical character recognition (OCR) systems and document analysis. After digitization, document images often suffer from poor contrast, noise, non-uniform lighting, and shadow. Also when a page of a book is digitized using a scanner or a camera, a border noise, which is an unwanted text coming from the adjacent page, may appear. The skew arises in the document due to incorrect placement or due to shifting of the object when the scanner lid is being closed. These problems may result in undesired results in OCR and document analysis. Document image cleanup is an active subject in image processing, which addresses these problems. In this thesis, we developed techniques of cleaning up and enhancing document images that suffer from problems resulting from the digitization process. 2014-08 Thesis NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/21187/1/2014-COMPUTER%20AND%20INFORMATION-METHODS%20FOR%20DOCUMENT%20IMAGE%20ANALYSIS%20BASED%20ON%20RETINEX%20THEORY%20AND%20ELLIPSE%20SHAPES-MARIAN%20WAGDY%20LABIB%20FARAG.pdf LABIB FARAG, MARIAN WAGDY (2014) METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES. Masters thesis, Universiti Teknologi PETRONAS.
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic Q Science (General)
spellingShingle Q Science (General)
LABIB FARAG, MARIAN WAGDY
METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
description Conversion from gray scale or color document image into binary image is the main step in most of optical character recognition (OCR) systems and document analysis. After digitization, document images often suffer from poor contrast, noise, non-uniform lighting, and shadow. Also when a page of a book is digitized using a scanner or a camera, a border noise, which is an unwanted text coming from the adjacent page, may appear. The skew arises in the document due to incorrect placement or due to shifting of the object when the scanner lid is being closed. These problems may result in undesired results in OCR and document analysis. Document image cleanup is an active subject in image processing, which addresses these problems. In this thesis, we developed techniques of cleaning up and enhancing document images that suffer from problems resulting from the digitization process.
format Thesis
author LABIB FARAG, MARIAN WAGDY
author_facet LABIB FARAG, MARIAN WAGDY
author_sort LABIB FARAG, MARIAN WAGDY
title METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
title_short METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
title_full METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
title_fullStr METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
title_full_unstemmed METHODS FOR DOCUMENT IMAGE ANALYSIS BASED ON RETINEX THEORY AND ELLIPSE SHAPES
title_sort methods for document image analysis based on retinex theory and ellipse shapes
publishDate 2014
url http://utpedia.utp.edu.my/21187/1/2014-COMPUTER%20AND%20INFORMATION-METHODS%20FOR%20DOCUMENT%20IMAGE%20ANALYSIS%20BASED%20ON%20RETINEX%20THEORY%20AND%20ELLIPSE%20SHAPES-MARIAN%20WAGDY%20LABIB%20FARAG.pdf
http://utpedia.utp.edu.my/21187/
_version_ 1739832844513968128
score 13.211869

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