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Printed mathematical formulas edited by different soft wares have some obvious differences. To distinguish it before recognition is beneficial to the formula recognition. Based on the statistical analysis to the characteristics of Latex and Word typesetting, an algorithm is designed to identify Latex and Word layout of printed formulas. The experiment indicates that this algorithm can achieve a relative...
At present, inaccurate results still exist in the output of the printed mathematical expressions recognition system. After the results were analyzed, one kind of method was introduced which unified the printed mathematical formula structure analysis and semantics knowledge. Suitable post-processing for recognition result based on integrative rectification was carried on. Thus printed mathematical...
An improved method based on Gabor feature for printed mathematical symbol recognition is presented in this paper. Elastic meshing technology is first applied to partition the character and get sampling points. Then, a set of Gabor filters are used to extract different directional features at each sampling point. In order to decrease the processing time, convolution operations are conducted with the...
Recognizing mathematical expressions from document images is a key problem in the conversion of scientific document into electronic form. It is also a difficult part in the development of recognition technology. In this paper, we present an efficient method of parsing printed mathematics notation, which is based on the combined strategy of baseline and minimum spanning tree method. The syntactic and...
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