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Hermite interpolation of scattered data based on the assistant surface

Journal of Coal Science & Engineering(China) 2006年第2期12卷 108-111页

作者：王全为李学艺李彬王小椿 School of Mechanism and Electronics Engineering Shandong University of Science & TechnologyQingdao 266510 China School of Mechanical Engineering Xi'an Jiaotong UniversityXi'an 710049China

An assistant surface was constructed on the base of boundary that being auto-matically extracted from the scattered *** parameters of every data point corre-sponding to the assistant surface and their applied fields were calculated *** applied region,a surface patch was constructed by a special Hermite *** final surface can be obtained by a piecewise bicubic Hermite interpolation in the ag-gregate of applied regions of metrical *** method avoids the triangulation *** results indicate that it is efficient and accurate.

关键词： reverse engineering scattered data points surface construction Hermite in- terpolation

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surface constructions of nano TiO_2 as the environmental and energy materials

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功能材料信息 2007年第5期4卷 59-页

作者： LIN Chang-jian (State Key Laboratory of Physical Chemistry of Solid surfaces,Xiamen University,Xiamen 361005,China)

TiO_2 has attracted an increasing attention because of its variety of potential applications in environments and energies,such as gas sensing,self-cleaning,solar energy conversion, wettability and photo-catalysis *** this presentation,we summarize some progress in surface constructions of nano TiO_2 and its characterizations of physicochemistry and properties. (1)Superhydrophobic nanostructure TiO_2 films Superhydrophobic nanotube,nanopore and sponge-like structure TiO_2 films are fabricated ...

关键词： nano TiO2 surface construction physicochemistry properties

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Constructing C^1 Continuous surface on Irregular Quad Meshes

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Computer Aided Drafting,Design and Manufacturing 2013年第4期23卷 30-34页

作者： HE Jun GUO Qiang Shandong Provincial Key Laboratory of Digital Media Technology Shandong University of Finance and Economics

A new method is proposed for surface construction on irregular quad meshes as extensions to uniform B-spline surfaces. Given a number of control points, which form a regular or irregular quad mesh, a weight function is constructed for each control point. The weight function is defined on a local domain and is C1 continuous. Then the whole surface is constructed by the weighted combination of all the control points. The property of the new method is that the surface is defined by piecewise Cl bi-cubic rational parametric polynomial with each quad face. It is an extension to uniform B-spline surfaces in the sense that its definition is an analogy of the B-spline surface, and it produces a uniform bi-cubic B-spline surface if the control mesh is a regular quad mesh. Examples produced by the new method are also included.

关键词： surface construction irregular quad meshes bi-cubic B-spline subdivision

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Algorithm and System of Scanning Color 3D Objects

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Transactions of Tianjin University 2002年第2期8卷 134-138页

作者：许智钦孙长库郑义忠天津大学精密测试技术及仪器国家重点实验室天津300072

This paper presents a complete system for scanning the geometry and texture of a large 3D object, then the automatic registration is performed to obtain a whole realistic 3D model. This system is composed of one line strip laser and one color CCD camera. The scanned object is pictured twice by a color CCD camera. First, the texture of the scanned object is taken by a color CCD camera. Then the 3D information of the scanned object is obtained from laser plane equations. This paper presents a practical way to implement the three dimensional measuring method and the automatic registration of a large 3D object and a pretty good result is obtained after experiment verification.

关键词： D measurement color 3D object laser scanning surface construction

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