Mathpad: A Fuzzy Logic-Based Recognition System for Handwritten Mathematics
Citation:
Fitzgerald, J.A. ; Univ. Coll. Dublin, Dublin ; Geiselbrechtinger, F. ; Kechadi, T.
Summary:
A recognition system which enables the users to enter mathematical equations in customized fashion is presented. The approach uses Fuzzy logics and fuzzy rules to extract features, classify symbols and assess spatial relationships. Using all this, the resultant outcome is a tool for Mathematical problem-solving and visualization.
Two types of fuzzy rules are used for symbol recognition: High-level and low-level fuzzy rules. Mathpad performs syntax checking through Shift Reduce parsing. Some changes made to SRP are in Input attributes, Fuzzy constraints, Semantic rules and Fuzzy Parse trees. This paper then established the use of Fuzzy Shift Reduce parsing.
Discussion:
The system does not change its computation method based on complexity of equation written. Also, the results of ME recognition rate are better, but I think there still is a scope for improvement. I really liked the idea of using Fuzzy logics in understanding and parsing the equation.
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