Abstract
In the paper an algorithm for an automatic recognition of the structure of mathematical formulae saved in a graphical form has been presented. The described method is based on 2D graph grammars, although the other approaches were mentioned. Moreover, the heuristic rules used during the simplification of the initial data structure, the example graph grammar rules, the priority system used within the production of the rules, and the test application that allows the step-by-step analysis of an entire recognition process, were discussed. The solution introduced in the paper allows to analyse web pages and the other documents containing a math notation saved in graphics formats. It will also help in the development of systems indexing, searching and translating such documents to formats used by visually impaired people.
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