OPTICAL CHARACTER RECOGNITION — A SURVEY

Author:

IMPEDOVO S.1,OTTAVIANO L.1,OCCHINEGRO S.1

Affiliation:

1. Istituto di Scienze dell' Informazione, Università degli Studi di Bari, Via Amendola 173, 70126 Bari, Italy

Abstract

In order to highlight the interesting problems and actual results on the state of the art in optical character recognition (OCR), this paper describes and compares preprocessing, feature extraction and postprocessing techniques for commercial reading machines. Problems related to handwritten and printed character recognition are pointed out, and the functions and operations of the major components of an OCR system are described. Historical background on the development of character recognition is briefly given and the working of an optical scanner is explained. The specifications of several recognition systems that are commercially available are reported and compared.

Publisher

World Scientific Pub Co Pte Lt

Subject

Artificial Intelligence,Computer Vision and Pattern Recognition,Software

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