Abstract
Mathematical expression recognition has been one of the most fascinating research among the various researches in field of image processing. This problem typically consists of three major stages, namely, expression positioning, symbol segmentation, symbol recognition, and structural analysis. In this paper, we will review most of the existing work with respect to each of the major stages of the recognition process. Moreover, some important issues in mathematical expression recognition, like handwritten MEs, will be addressed in depth. Finally, point out the future research directions of mathematical expression.
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