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基于时空关系的在线多笔画手绘二次曲线识别

, PP. 82-89

Keywords: 多笔画草图,二次曲线,时空关系

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Abstract:

综合考虑笔画时空关系对在线多笔画手绘二次曲线进行识别。先对笔画识别结果进行基于时间间断的多笔画预处理将其识别为虚线或实线,然后详细讨论基于空间关系的多笔画手绘二次曲线的识别问题。将基于空间关系的二次曲线多笔画识别分为封闭二次曲线和非封闭二次曲线的多笔画识别,对前者给出采用最小中值二乘的多笔画拟合二次曲线方法。针对非封闭二次曲线提出广义笔画及其对应的旋转角和首尾点的概念,并从多笔画判定、草图生成、旋转角和首尾点的确定这3方面给出其多笔画识别方法。最后通过自主开发的FSR系统对文中算法加以验证。

References

[1]  Ye Weiwei, Yu Suihuai, Gou Bingchen, et al. A Method to Get Recognition Data for Multi-Draw Sketch. Application Research of Computers, 2005, 22(12): 157-159 (in Chinese) (叶炜威,余隋怀,苟秉宸,等.一种获取重复绘制草图单元识别 特征数据的方法.计算机应用研究, 2005, 22(12): 157-159)
[2]  Qin S F. Investigation of Sketch Interpretation Techniques into 2D and 3D Conceptual Design Geometry. Ph.D Dissertation. Cardiff, UK: University of Wales Institute. School of Engineering, 2000
[3]  Mitani J, Suzuki H, Kimura F. 3D Sketch: Sketch-Based Model Reconstruction and Rendering. Dordrecht, Netherlands: Kluwer Academic Publishers, 2002
[4]  Gross M D, Do E Y. Drawing on the Back of an Envelope: A Framework for Interacting with Application Programs y Freehand Drawing. Computers and Graphics, 2000, 24(6): 835-849
[5]  Kara L B, Stahovich T F. An Image-Based Trainable Symbol Recognizer for Handdrawn Sketches. Computers and Graphics, 2005, 29(4): 501-507
[6]  Fiore F D, Reeth F V. A Multi-Level Sketching Tool for Pencil-and-Paper Animation // Proc of the AAAI Spring Symposium Series: Sketch Understanding. California, USA, 2002: 32-36
[7]  Fonseca M J, Pimentel C, Jorge J A. CALI: An Online Scribble Recognizer for Calligraphic Interfaces // Proc of the AAAI Spring Symposium: Sketch Understanding. California, USA, 2002: 51-58
[8]  Sezgin T M, Davis R. Handling Overtraced Strokes in Hand-Drawn Sketches // Proc of the AAAI Spring Symposium Series: Making Pen-Based Interaction Intelligent and Natural. Washington, USA, 2004: 21-24
[9]  Sun Zhengxing, Feng Guihuan, Zhou Ruohong. Techniques for Sketch-Based User Interface: Review and Research. Journal of Computer-Aided Design and Computer Graphics, 2005, 17(9): 1889-1899 (in Chinese) (孙正兴,冯桂焕,周若鸿.基于草图的人机交互技术研究进展.计算机辅助设计与图形学学报, 2005, 17(9): 1889-1899)
[10]  Sun Zhengxing, Jiang Wei, Sun Jianyong. Adaptive Online Multi-stroke Sketch Recognition Based on Hidden Markov Model // Proc of the 4th International Conference on Advance in Machine Learning and Cybernetics. Guangzhou, China, 2005: 948-957
[11]  Day C K, Qin S F, David K W. Interpretation of Overtracing Freehand Sketching for Geometric Shapes // Proc of the 14th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision. Plzen, Czech Republic, 2006, 263-270
[12]  Wang Shuxin, Gao Mantun, Qi Lehua. Online Freehand Sketching System Using Fuzzy Theory. Pattern Recognition and Artificial Intelligence, 2008, 21(3): 317-325 (in Chinese) (王淑侠,高满屯,齐乐华.基于模糊理论的在线手绘图识别.模式识别与人工智能, 2008, 21(3): 317-325)

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