A Tutorial on Support Vector Machines for Pattern Recognition
Data Mining and Knowledge Discovery
A Bilingual OCR for Hindi-Telugu Documents and its Applications
ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 1
Analysis and Recognition of Asian Scripts - the State of the Art
ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 2
Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
An Optimal Set of Discriminant Vectors
IEEE Transactions on Computers
Mathematical symbol recognition with support vector machines
Pattern Recognition Letters
Offline handwritten Amharic word recognition
Pattern Recognition Letters
A semi-automatic adaptive OCR for digital libraries
DAS'06 Proceedings of the 7th international conference on Document Analysis Systems
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In Africa, there are a number of languages with their own indigenous scripts. This paper presents an OCR for Amharic scripts. Amharic is the oficial and working language of Ethiopia. This is possibly the Jirst attempt towards the development of an OCR system for Amharic. Research in the recognition of Amharic script faces major challenges due to (i) the use of more than 300 characters in writing and (ii) existence of a large set of visually similar characters. In this paper, we propose a two-stage feature extraction scheme using PCA and LDA, followed by a decision DAG classifier with SVMs as the nodes. Recognition results are presented to demonstrate the peformance on the various printing variations Ifonts, styles and sizes) and real-life degraded documents such as books, magazines and newspapers.