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Abstract
Tactile graphics are images that use raised surface so that a visually impaired person can feel them. Tactile graphics are necessary to visually impaired students when they study mathematics and science. Since producing tactile graphics are not simple task, an intelligent computer-aided system for assisting the production of tactile graphics is needed. Mathematical graph recognition from printed materials plays an important role to develop such a system. So, this paper focuses on part of a method of mathematical graph recognition: a method for extracting and classifying broken line graphs in mathematical figures.
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Notes on contributors
Noboru Takagi
Noboru Takagi received the B. Eng., M. Eng. and Dr. Eng. degrees from Meiji University, Japan, in 1989, 1991 and 1994, respectively. He is currently an associate professor in Department of Intelligent Systems Design Engineering, Toyama Prefectural University, Japan. His research interests include soft computing and its application to assistive systems for people with visually impairments. He is a member of the IEEE Systems, Man, and Cybernetics, the Institute of Electronics, Information and Communication Engineers, the Information Processing Society of Japan, and the Japan Society for Fuzzy Theory and Intelligent Informatics.
Jianjun Chen
Jianjun Chen received the B. Sci. degree from Shanxi Datong University, Chain, in 2007, and the M. Sci. degree from Dalian Jiaotong University, Chain, in 2010. He is currently a doctoral student in Graduate School of Engineering, Toyama Prefectural University, Japan. His research interests include pattern recognition, image processing, and assistive systems for people with visually impairments.