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A Syntactic Approach for Handwritten Mathematical Formula Recognition
January 1984 (vol. 6 no. 1)
pp. 105-111
Abdelwaheb Belaid, Pattern Recognition and Artificial Intelligence Group, C.R.I.N., University of Nancy 1, 54506 Vandoeuvre, France.
Jean-Paul Haton, Pattern Recognition and Artificial Intelligence Group, C.R.I.N., University of Nancy 1, 54506 Vandoeuvre, France.
Mathematical formulas are good examples of two-dimensional patterns as well as pictures or graphics. The use of syntactic methods is useful for interpreting such complex patterns. In this paper we propose a system for the interpretation of 2-D mathematic formulas based on a syntactic parser. This system is able to recognize a large class of 2-D mathematic formulas written on a graphic tablet. It starts the parsing by localization of the ``principal'' operator in the formula and attempts to partition it into subexpressions which are similarly analyzed by looking for a starting character. The generalized parser used in the system has been developed in our group for continuous speech recognition and picture interpretation.
Citation:
Abdelwaheb Belaid, Jean-Paul Haton, "A Syntactic Approach for Handwritten Mathematical Formula Recognition," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 6, no. 1, pp. 105-111, Jan. 1984, doi:10.1109/TPAMI.1984.4767483
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