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Title:
intelligent understanding of handwritten geometry theorem proving
Author: Jiang Yingying ; Tian Feng ; Wang Hongan ; Zhang Xiaolong ; Wang Xugang ; Dai Guozhong
Source: International Conference on Intelligent User Interfaces, Proceedings IUI
Conference Name: 14th ACM International Conference on Intelligent User Interfaces, IUI 2010
Conference Date: 40581
Issued Date: 2010
Conference Place: Hong Kong, China
Keyword: Computational geometry ; Graphical user interfaces ; Problem solving
Publisher: IUI 2010
Publish Place: United States
ISBN: 9781610000000
Department: (1) Intelligence Engineering Lab., Institute of Software, Chinese Academy of Sciences, Beijing, China; (2) State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, China; (3) Pennsylvania State University, United States
Sponsorship: ACM SIGCHI; ACM SIGART
English Abstract: Computer-based geometry systems have been widely used for teaching and learning, but largely based on mouse-and-keyboard interaction, these systems usually require users to draw figures by following strict task structures defined by menus, buttons, and mouse and keyboard actions. Pen-based designs offer a more natural way to develop geometry theorem proofs with hand-drawn figures and scripts. This paper describes a pen-based geometry theorem proving system that can effectively recognize hand-drawn figures and hand-written proof scripts, and accurately establish the correspondence between geometric components and proof steps. Our system provides dynamic and intelligent visual assistance to help users understand the process of proving and allows users to manipulate geometric components and proof scripts based on structures rather than strokes. The results from evaluation study show that our system is well perceived and users have high satisfaction with the accuracy of sketch recognition, the effectiveness of visual hints, and the efficiency of structure-based manipulation. Copyright 2010 ACM.
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/8806
Appears in Collections:人机交互技术与智能信息处理实验室_会议论文

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Recommended Citation:
Jiang Yingying,Tian Feng,Wang Hongan,et al. intelligent understanding of handwritten geometry theorem proving[C]. 见:14th ACM International Conference on Intelligent User Interfaces, IUI 2010. Hong Kong, China. 40581.
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