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Combining complementary methods for implicitizing rational tensor product surfaces
Shen, Li-Yong1,2,3; Goldman, Ron4
2018-11-01
Source PublicationCOMPUTER-AIDED DESIGN
ISSN0010-4485
Volume104Pages:100-112
AbstractWe present an algorithm to implicitize rational tensor product surfaces that works correctly and efficiently even in the presence of base points by combining three complementary approaches, some classical and some novel, to implicitization. One straightforward method is to implicitize these surfaces using the Dixon A-resultant of three obvious syzygies. For surfaces that cannot be implicitized using this resultant due, for example, to the presence of base points, we try the method of moving planes and moving quadrics. We show that this method works very well on surfaces with simple base points. For general rational surfaces that cannot be implicitized by these two methods, we refine the method that employs the resultant matrix of three low bidegree moving planes by providing a simple technique to construct this resultant matrix. To avoid computing the base points explicitly, we compute the extraneous factors associated to the base points by solving a system of polynomial equations with a finite number of solutions. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordBase point Implicitization A-resultant Moving plane Resultant Extraneous factor
DOI10.1016/j.cad.2018.07.002
Language英语
Funding ProjectNational Natural Science Foundation of China[11731013]
WOS Research AreaComputer Science
WOS SubjectComputer Science, Software Engineering
WOS IDWOS:000442979700008
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/31132
Collection中国科学院数学与系统科学研究院
Affiliation1.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Acad Math & Syst Sci, KLMM, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Key Lab Big Data Min & Knowledge Management, Beijing 100190, Peoples R China
4.Rice Univ, Comp Sci Dept, 6100 Main St,MS 132, Houston, TX 77005 USA
Recommended Citation
GB/T 7714
Shen, Li-Yong,Goldman, Ron. Combining complementary methods for implicitizing rational tensor product surfaces[J]. COMPUTER-AIDED DESIGN,2018,104:100-112.
APA Shen, Li-Yong,&Goldman, Ron.(2018).Combining complementary methods for implicitizing rational tensor product surfaces.COMPUTER-AIDED DESIGN,104,100-112.
MLA Shen, Li-Yong,et al."Combining complementary methods for implicitizing rational tensor product surfaces".COMPUTER-AIDED DESIGN 104(2018):100-112.
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