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	Efficient motion data indexing and retrieval with local similarity measure of motion strings
	Wu, Shuangyuan1,2; Xia, Shihong1; Wang, Zhaoqi1; Li, Chunpeng1
刊名	Visual computer
	2009-05-01
卷号	25期号:5-7页码:499-508
关键词	Motion capture data Indexing Retrieval Self-organizing map Smith-waterman algorithm
ISSN号	0178-2789
DOI	10.1007/s00371-009-0345-1
通讯作者	Wu, shuangyuan(wushuangyuan@ict.ac.cn)
英文摘要	Widely used in data-driven computer animation, motion capture data exhibits its complexity both spatially and temporally. the indexing and retrieval of motion data is a hard task that is not totally solved. in this paper, we present an efficient motion data indexing and retrieval method based on self-organizing map and smith-waterman string similarity metric. existing motion clips are first used to train a self-organizing map and then indexed by the nodes of the map to get the motion strings. the smith-waterman algorithm, a local similarity measure method for string comparison, is used in clustering the motion strings. then the motion motif of each cluster is extracted for the retrieval of example-based query. as an unsupervised learning approach, our method can cluster motion clips automatically without needing to know their motion types. experiment results on a dataset of various kinds of motion show that the proposed method not only clusters the motion data accurately but also retrieves appropriate motion data efficiently.
WOS关键词	CAPTURE DATA ; IDENTIFICATION
WOS研究方向	Computer Science
WOS类目	Computer Science, Software Engineering
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000265539300014
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2403800
专题	中国科学院大学
通讯作者	Wu, Shuangyuan
作者单位	1.Chinese Acad Sci, Inst Comp Technol, Beijing, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Wu, Shuangyuan,Xia, Shihong,Wang, Zhaoqi,et al. Efficient motion data indexing and retrieval with local similarity measure of motion strings[J]. Visual computer,2009,25(5-7):499-508.
APA	Wu, Shuangyuan,Xia, Shihong,Wang, Zhaoqi,&Li, Chunpeng.(2009).Efficient motion data indexing and retrieval with local similarity measure of motion strings.Visual computer,25(5-7),499-508.
MLA	Wu, Shuangyuan,et al."Efficient motion data indexing and retrieval with local similarity measure of motion strings".Visual computer 25.5-7(2009):499-508.

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