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Ninth International Conference on Document Analysis and Recognition (ICDAR 2007) Vol 2

DOI: 10.1109/icdar.2007.4377035

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Mathematical Formulae Recognition Using 2D Grammars

Proceedings article published in 2007 by D. Pru_a, Daniel Prusa, V. Hlavac ORCID, Václav Hlavac
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We present a method for off-line mathematical formulae recognition based on the structural construction paradigm and two-dimensional grammars. In general, this approach can be successfully used in the analysis of images contain-ing objects that exhibit rich structural relations. An impor-tant benefit of the structural construction is in treating the symbol segmentation in the image and its structural analy-sis as a single intertwined process. This allows the system to avoid errors usually appearing during the segmentation phase. We have developed and tested a pilot study proving that the method is computationally efficient, practical and able to cope with noise.