Ambiguity and Constraint in Mathematical Expression Recognition (1998)
| Venue: | In Proceedings of the 15'th National Conference on Artificial Intelligence (AAAI-98 |
| Citations: | 18 - 1 self |
BibTeX
@INPROCEEDINGS{Miller98ambiguityand,
author = {Erik G. Miller and Paul A. Viola},
title = {Ambiguity and Constraint in Mathematical Expression Recognition},
booktitle = {In Proceedings of the 15'th National Conference on Artificial Intelligence (AAAI-98},
year = {1998},
pages = {784--791},
publisher = {AAAI}
}
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Abstract
The problem of recognizing mathematical expressions differs significantly from the recognition of standard prose. While in prose significant constraints can be put on the interpretation of a character by the characters immediately preceding and following it, few such simple constraints are present in a mathematical expression. In order to make the problem tractable, effective methods of recognizing mathematical expressions will need to put intelligent constraints on the possible interpretations. The authors present preliminary results on a system for the recognition of both handwritten and typeset mathematical expressions. While previous systems perform character recognition out of context, the current system maintains ambiguity of the characters until context can be used to disambiguate the interpretation. In addition, the system limits the number of potentially valid interpretations by decomposing the expressions into a sequence of compatible convex regions. The system uses A-star to...
