An On-line Handwritten Arithmetic Expression Recognition System

Chan K F and Yeung D Y. Mathematical expression recognition: A survey [J]. International Journal on Document Analysis and Recognition, 2000. 3(1): 3-15.[2]Zabinni R and Blostein D. Recognizing mathematical expressions using tree transformation[J].IEEE Transactions on Pattern Analysis and Machine Intelligence.2002, 24(11):1455-1467[3]Tapia E and Rojas R. Recognition of On-line Handwritten Mathematical Expressions Using a Minimum Spanning Tree Construction and Symbol Dominance[M]. Graphic Recognition. Berlin, Germany: Springer, 2004: 329-340.[4]Vuong B Q, Hui S C, and He Y. Progressive structural analysis for dynamic recognition of on-line handwritten mathematical expressions[J].IEEE Pattern Recognition Letters.2008, 29(5):647-655[5]Rhee T H and Kim J H. Efficient search strategy in structural analysis for handwritten mathematical expression recognition. [C]. 11th International Conference on Frontiers in Handwriting Recognition, 2008: 19-24.[6]虞瑾, 丁晓青. 联机手写公式中字符的切分与识别[J]. 电视技术, 2007, 1: 148-150.[7]Shi Y, Li H, and Soong F K. A unified framework for symbol segmentation and recognition of handwritten mathematical expressions[C]. International Conference on Document Analysis and Recognition. 2007, 2: 854-858.[8]Luo Z X, Shi Y, and Soong F K. Symbol graph based discriminative training and rescoring for improved math symbol recognition[C]. International Conference on Acoustics, Speech, and Signal Processing, 2008: 953-956.