Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80920
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dc.contributor.authorHou, Feien
dc.contributor.authorHe, Yingen
dc.contributor.authorQin, Hongen
dc.contributor.authorHao, Aiminen
dc.date.accessioned2018-06-21T02:44:54Zen
dc.date.accessioned2019-12-06T14:17:25Z-
dc.date.available2018-06-21T02:44:54Zen
dc.date.available2019-12-06T14:17:25Z-
dc.date.issued2016en
dc.identifier.citationHou, F., He, Y., Qin, H., & Hao, A. (2017). Knot optimization for biharmonic B-splines on manifold triangle meshes. IEEE Transactions on Visualization and Computer Graphics, 23(9), 2082-2095.en
dc.identifier.issn1077-2626en
dc.identifier.urihttps://hdl.handle.net/10356/80920-
dc.description.abstractBiharmonic B-splines, proposed by Feng and Warren, are an elegant generalization of univariate B-splines to planar and curved domains with fully irregular knot configuration. Despite the theoretic breakthrough, certain technical difficulties are imperative, including the necessity of Voronoi tessellation, the lack of analytical formulation of bases on general manifolds, expensive basis re-computation during knot refinement/removal, being applicable for simple domains only (e.g., such as euclidean planes, spherical and cylindrical domains, and tori). To ameliorate, this paper articulates a new biharmonic B-spline computing paradigm with a simple formulation. We prove that biharmonic B-splines have an equivalent representation, which is solely based on a linear combination of Green's functions of the bi-Laplacian operator. Consequently, without explicitly computing their bases, biharmonic B-splines can bypass the Voronoi partitioning and the discretization of bi-Laplacian, enable the computational utilities on any compact 2-manifold. The new representation also facilitates optimization-driven knot selection for constructing biharmonic B-splines on manifold triangle meshes. We develop algorithms for spline evaluation, data interpolation and hierarchical data decomposition. Our results demonstrate that biharmonic B-splines, as a new type of spline functions with theoretic and application appeal, afford progressive update of fully irregular knots, free of singularity, without the need of explicit parameterization, making it ideal for a host of graphics tasks on manifolds.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent13 p.en
dc.language.isoenen
dc.relation.ispartofseriesIEEE Transactions on Visualization and Computer Graphicsen
dc.rights© 2016 Institute of Electrical and Electronics Engineers (IEEE). This is the author created version of a work that has been peer reviewed and accepted for publication by IEEE Transactions on Visualization and Computer Graphics, Institute of Electrical and Electronics Engineers (IEEE). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1109/TVCG.2016.2605092].en
dc.subjectGreen's Functionsen
dc.subjectBiharmonic B-splinesen
dc.titleKnot optimization for biharmonic B-splines on manifold triangle meshesen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Computer Science and Engineeringen
dc.identifier.doi10.1109/TVCG.2016.2605092en
dc.description.versionAccepted versionen
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