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Symmetric PH and EP distributions and their applications to the probability Hough transform
Li, QL; Wang, GH; Zhou, Y
2004-03-01
发表期刊COMPUTERS & MATHEMATICS WITH APPLICATIONS
卷号47期号:6-7页码:823-844
文章类型Article
摘要In this paper, we first introduce a symmetric phase type (PH) distribution, and then propose a symmetric exponential-polynomial type (EP) distribution based on the symmetric PH distribution. The class of symmetric EP distributions is illustrated to be so large that an arbitrary symmetric probability density function in L-2 (-infinity, +infinity), which is the space of square integrable functions on the real line, can be approximated in (-infinity, +infinity) by a sequence of symmetric EP probability density functions. We prove this result by means of a constructive approach based on two orthogonal decompositions: Laguerre spectrum decomposition and Hermite spectrum decomposition. We also provide a moment-based approach for simply determining a symmetric EP probability density function to approximatively express a symmetric random variable under which some moments of the symmetric random variable are given. We further propose multidimensional symmetric PH and EP distributions and provide their useful structures and properties. Finally, we apply the symmetric PH and EP distributions to study the probability Hough transform. (C) 2004 Elsevier Ltd. All rights reserved.
关键词Ph Distribution Symmetric Ph Distribution Symmetric Ep Distribution Orthogonal Basis Laguerre Polynomial Computer Vision Pattern Recognition Image Analysis The Probability Hough Transform
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]PHASE-TYPE DISTRIBUTIONS ; NUMERICAL INVERSION ; LAPLACE TRANSFORMS
收录类别SCI
语种英语
WOS研究方向Mathematics
WOS类目Mathematics, Applied
WOS记录号WOS:000221627900001
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9989
专题09年以前成果
作者单位1.Tsing Hua Univ, Dept Ind Engn, Beijing 100084, Peoples R China
2.Carleton Univ, Sch Math & Stat, Ottawa, ON K1S 5B6, Canada
3.Chinese Acad Sci, Natl Lab Pattern Recognit, Inst Automat, Beijing 100080, Peoples R China
4.Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA
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Li, QL,Wang, GH,Zhou, Y. Symmetric PH and EP distributions and their applications to the probability Hough transform[J]. COMPUTERS & MATHEMATICS WITH APPLICATIONS,2004,47(6-7):823-844.
APA Li, QL,Wang, GH,&Zhou, Y.(2004).Symmetric PH and EP distributions and their applications to the probability Hough transform.COMPUTERS & MATHEMATICS WITH APPLICATIONS,47(6-7),823-844.
MLA Li, QL,et al."Symmetric PH and EP distributions and their applications to the probability Hough transform".COMPUTERS & MATHEMATICS WITH APPLICATIONS 47.6-7(2004):823-844.
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