Feature extraction for online handwritten characters using Delaunay triangulation

doi:10.1016/j.cag.2006.07.007

CORC > 计算技术研究所 > 中国科学院计算技术研究所 > 中国科学院计算技术研究所期刊论文 > 英文

	Feature extraction for online handwritten characters using Delaunay triangulation
	Zeng, Wei ; Meng, XiangXu ; Yang, ChengLei ; Huang, Lei
刊名	COMPUTERS & GRAPHICS-UK
	2006-10-01
卷号	30 期号:5 页码:779-786
关键词	Delaunay triangulation feature extraction online handwritten characters
ISSN号	0097-8493
DOI	10.1016/j.cag.2006.07.007
英文摘要	We introduce a novel feature extraction scheme for online handwritten characters based on utilizing Delaunay triangles for describing each stroke segment. Central to the proposed approach is the idea of associating a unique topological structure with the handwritten shape using the Delaunay triangulation. This allows more 'meaningful' groups (i.e., triangles) to be chosen for representing global features, and makes full use of the rich temporal and topological characteristics of handwritten shapes. The Delaunay triangles used for feature extraction, called the Delaunay triangle descriptor, have good discrimination power since they are the only ones satisfying the properties of the Delaunay triangulation. A discrete HMM-based recognition system is used, as the test platform, and shows that the proposed representation can achieve good performance on the chosen data collection, improve recognition accuracy, elevate stability and robustness, and outperform other alternative feature combinations implemented for comparison. (c) 2006 Elsevier Ltd. All rights reserved.
WOS研究方向	Computer Science
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000242334800010
内容类型	期刊论文
源URL	[http://119.78.100.204/handle/2XEOYT63/10780]
专题	中国科学院计算技术研究所期刊论文_英文
通讯作者	Zeng, Wei
作者单位	1.Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China 2.Shandong Univ, Sch Comp Sci & Technol, Jinan 250061, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Zeng, Wei,Meng, XiangXu,Yang, ChengLei,et al. Feature extraction for online handwritten characters using Delaunay triangulation[J]. COMPUTERS & GRAPHICS-UK,2006,30(5):779-786.
APA	Zeng, Wei,Meng, XiangXu,Yang, ChengLei,&Huang, Lei.(2006).Feature extraction for online handwritten characters using Delaunay triangulation.COMPUTERS & GRAPHICS-UK,30(5),779-786.
MLA	Zeng, Wei,et al."Feature extraction for online handwritten characters using Delaunay triangulation".COMPUTERS & GRAPHICS-UK 30.5(2006):779-786.