NDLI: Data crawlers for simple optical character recognition

Content Provider	IEEE Xplore Digital Library
Author	Ashlock, D.
Copyright Year	2000
Description	Author affiliation: Dept. of Math. & Complex Adaptive Syst., Iowa State Univ., Ames, IA, USA (Ashlock, D.)
Abstract	Many genetic programming systems have been designed to exploit the use of state information in an indirect fashion. In this article we apply a genetic programming technique that directly incorporates state information to a collection of related optical character recognition tasks. Our recognizers are coded as GP-Automata, finite state machines modified by associating a function, stored as a parse tree, with each state. These functions are called deciders and serve to extract information from a high bandwidth input to drive finite state transitions. The GP-Automata make iterated decisions, requesting additional data in an adaptive fashion. This iterated data processing is a form of "crawling through the data" and so we term the software objects data crawlers. These objects can be thought of as expert systems, produced automatically from data by digital evolution. The states for rules with the deciders supplying the "if" part of these rules. We evolve perfect recognizers for three variations of a character set derived from the set of 4-ominoes.
Starting Page	706
Ending Page	713
File Size	807428
Page Count	8
File Format	PDF
ISBN	0780363752
DOI	10.1109/CEC.2000.870367
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-16
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Crawlers Optical character recognition software Character recognition Automata Evolutionary computation Genetics Data mining Bandwidth Feature extraction Mathematics
Content Type	Text
Resource Type	Article

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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
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