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检索条件"机构=Institute of Computer Graphics and Image Processing Department of Mathematics"
114 条 记 录,以下是1-10 订阅
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AI-based character generation for disease stories: a case study using epidemiological data to highlight preventable risk factors
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i-com 2025年 第1期24卷 259-281页
作者: Mittenentzwei, Sarah Garrison, Laura A. Budich, Beatrice Lawonn, Kai Dockhorn, Alexander Preim, Bernhard Meuschke, Monique Department of Simulation and Graphics Otto-von-Guericke University of Magdeburg Universitätsplatz 2 Magdeburg39106 Germany Department of Informatics University of Bergen Thormøhlens Gate 55 Bergen5020 Norway Faculty of Mathematics and Computer Science University of Jena Ernst-Abbe-Platz 2 Jena07743 Germany Institute of Information Processing Leibniz University Hannover Welfengarten 1 Hannover30167 Germany
Data-driven storytelling has grown significantly, becoming prevalent in various fields, including healthcare. In medical narratives, characters are crucial for engaging audiences, making complex medical information ac... 详细信息
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AHT Bézier Curves and NUAHT B-Spline Curves
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Journal of computer Science & Technology 2007年 第4期22卷 597-607页
作者: 徐岗 汪国昭 Institute of Computer Graphics and Image Processing Zhejiang University Department of Mathematics Zhejiang University
In this paper, we present two new unified mathematics models of conics and polynomial curves, called algebraic hyperbolic trigonometric ( AHT) Bezier curves and non-uniform algebraic hyperbolic trigonometric ( NUAH... 详细信息
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Relation among C-curve characterization diagrams
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2007年 第10期8卷 1663-1670页
作者: CAO Juan WANG Guo-zhao Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
As three control points are fixed and the fourth control point varies, the planar cubic C-curve may take on a loop, a cusp, or zero to two inflection points, depending on the position of the moving point. The plane ca... 详细信息
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Control mesh representation of a class of minimal surfaces
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2006年 第9期7卷 1544-1549页
作者: XU Gang WANG Guo-zhao Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
Minimal surface is extensively employed in many areas. In this paper, we propose a control mesh representation of a class of minimal surfaces, called generalized helicoid minimal surfaces, which contain the right heli... 详细信息
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Symmetric alteration of four knots of B-spline and NURBS surfaces
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2006年 第6期7卷 1084-1087页
作者: LI Ya-juan WANG Guo-zhao Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
Modifying the knots of a B-spline curve, the shape of the curve will be changed. In this paper, we present the effect of the symmetric alteration of four knots of the B-spline and the NURBS surfaces, i.e., symmetrical... 详细信息
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Conversion matrix between two bases of the algebraic hyperbolic space
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Journal of Zhejiang University: Science 2006年 第SUPPL. 2期7卷 181-186页
作者: Fan, Feng-Tao Wang, Guo-Zhao Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
This paper presents the matrix representation for the hyperbolic polynomial B-spline basis and the algebraic hyperbolic Bézier basis in a recursive way, which are both generated over the space Ωn=span{sinht, cos... 详细信息
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Optimal multi-degree reduction of Bézier curves with G1-continuity
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Journal of Zhejiang University: Science 2006年 第SUPPL. 2期7卷 174-180页
作者: Lu, Li-Zheng Wang, Guo-Zhao Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
This paper presents a novel approach to consider optimal multi-degree reduction of Bézier curve with G1-continuity. By minimizing the distances between corresponding control points of the two curves through degre... 详细信息
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Free-Form Deformation with Rational DMS-Spline Volumes
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Journal of computer Science & Technology 2008年 第5期23卷 862-873页
作者: 徐岗 汪国昭 陈小雕 Institute of Computer Graphics and Image Processing Zhejiang University Department of Mathematics Zhejiang University College of Computer Science Hangzhou Dianzi University INRIA Nancy France
In this paper, we propose a novel free-form deformation (FFD) technique, RDMS-FFD (Rational DMS-FFD), based on rational DMS-spline volumes. RDMS-FFD inherits some good properties of rational DMS-spline volumes and... 详细信息
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A quadratic programming method for optimal degree reduction of Bézier curves with G^1-continuity
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2007年 第10期8卷 1657-1662页
作者: LU Li-zheng WANG Guo-zhao Institute of Computer Graphics and lmage Processing Department of Mathematics Zhejiang University Hangzhou 310027 China
This paper presents a quadratic programming method for optimal multi-degree reduction of B6zier curves with G^1-continuity. The L2 and I2 measures of distances between the two curves are used as the objective function... 详细信息
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Uniform trigonometric polynomial B-spline curves
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Science in China(Series F) 2002年 第5期45卷 335-343页
作者: 吕勇刚 汪国昭 杨勋年 1. Institute of Computer Graphics and Image Processing Department of Mathematics Zhejiang University 310027 Hangzhou China
This paper presents a new kind of uniform spline curve, named trigonometric polynomial B-splines, over space Ω = span{sini,cost, tk-3,tk-4, …,t, 1} of which k is an arbitrary integer larger than or equal to 3. We sh... 详细信息
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