Real-Time Resolution of Self-Intersection in Dynamic Cylindrical Free-Form Deformation

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dc.contributor.authorAhn, Woojinko
dc.contributor.authorLee, Doo Yongko
dc.date.accessioned2013-03-11T09:06:31Z-
dc.date.available2013-03-11T09:06:31Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2011-04-
dc.identifier.citationIEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS, v.17, no.4, pp.515 - 526-
dc.identifier.issn1077-2626-
dc.identifier.urihttp://hdl.handle.net/10203/98882-
dc.description.abstractThis paper presents a method of self-intersection detection and resolution for dynamic cylindrical-lattice-based free-form deformation (FFD). The lattice-based approach allows efficient computation of deformation of complex geometries. But excessive deformation can cause visual anomalies such as surface infiltration and distortion. This paper derives a geometrically intuitive sufficient condition to guarantee that the FFD function is a homeomorphism and there is no self-intersection. The FFD function is defined by linear and quadratic B-Spline functions with the control points of the cylindrical lattice cell. The sufficient condition is satisfied if each trilinear function of the nine prism-shaped pentahedrons derived from the cell has a positive Jacobian determinant. The positivity is satisfied if the 12 tetrahedrons derived from the pentahedron have positive volumes. Based on the sufficient condition, the proposed method converts the self-intersection problem into a point-face collision detection and response problem suitable for dynamic simulation. The efficiency and accuracy of the self-intersection detection algorithm is analyzed and compared with a previous method. The results show that the proposed technique allows simulation of excessive deformation of tubular objects in an efficient and realistic manner.-
dc.languageEnglish-
dc.publisherIEEE COMPUTER SOC-
dc.subjectCOLLISION DETECTION-
dc.subjectANIMATION-
dc.subjectMODELS-
dc.subjectSIMULATION-
dc.titleReal-Time Resolution of Self-Intersection in Dynamic Cylindrical Free-Form Deformation-
dc.typeArticle-
dc.identifier.wosid000287199600010-
dc.identifier.scopusid2-s2.0-79951948380-
dc.type.rimsART-
dc.citation.volume17-
dc.citation.issue4-
dc.citation.beginningpage515-
dc.citation.endingpage526-
dc.citation.publicationnameIEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS-
dc.contributor.localauthorLee, Doo Yong-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFree-form deformation-
dc.subject.keywordAuthorself-intersection-
dc.subject.keywordAuthorcollision-
dc.subject.keywordAuthorsimulation-
dc.subject.keywordPlusCOLLISION DETECTION-
dc.subject.keywordPlusANIMATION-
dc.subject.keywordPlusMODELS-
dc.subject.keywordPlusSIMULATION-
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