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基于图像系列的三维导航快速实现技术
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作者 孟卉 《数字技术与应用》 2016年第6期46-49,共4页
基于图像绘制的虚拟环境构造是近年来虚拟现实技术研究的热点。通过分析三维导航的原理和虚拟现实建模语言的插值算法,本文提出一个基于图像系列的三维导航系统快速实现的方法。首先对三维导航的路径进行分析来定义关键帧节点,利用数码... 基于图像绘制的虚拟环境构造是近年来虚拟现实技术研究的热点。通过分析三维导航的原理和虚拟现实建模语言的插值算法,本文提出一个基于图像系列的三维导航系统快速实现的方法。首先对三维导航的路径进行分析来定义关键帧节点,利用数码相机依照关键帧节点依次采集到一系列的图像,并结合VRML编程语言的插值节点,定义多种漫游行走方式的程序原型,对图像系列进行插值,生成漫游的三维导航视频,从而简单快速地实现室内外的三维导航,实践证明该方法成本低,制作简便,效果好。 展开更多
关键词 虚拟现实 基于图像绘制 三维导航 虚拟现实建模言 插值 原型
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Web-Based Interactive Simulation of Weft Knitted Fabric 被引量:1
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作者 瞿畅 王君泽 李波 《Journal of Donghua University(English Edition)》 EI CAS 2010年第6期764-769,共6页
In order to realize parametric simulation of three-dimensional(3D)fabric structure based on web,a 3D model describing a plain knitted fabric,in which the cross-section of the yarn is circular shape and the path of the... In order to realize parametric simulation of three-dimensional(3D)fabric structure based on web,a 3D model describing a plain knitted fabric,in which the cross-section of the yarn is circular shape and the path of the yarn is cubic B-spline curve,is proposed in this paper.With this model,the 3D simulation of the loop and of the basic structures of the knitted fabric is realized by using Virtual Reality Modeling Language(VRML).The virtual simulation scene is suitable for network transmission with freely available VRML browsers and can be translated,scaled and rotated quite arbitrarily.By using Java and External Authoring Interface(EAI)technology,the web-based interactive simulation platform of weft knitted fabric is established.The user can input type of structures,basic fabric parameters,and yarn colors interactively to obtain a more realistic simulation result in real-time.A new approach is provided to imitate the knitted fabric 3D appearance on network. 展开更多
关键词 weft knitted fabric loop model three-dimentional(3D)simulation Virtual Reality Modeling Language(VRML) JAVA External Authoring Interface(EAI)
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The Design and Implementation of Virtual Physics Experiment System based on VB Programming
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作者 Qingfang Hu 《International Journal of Technology Management》 2015年第1期47-49,共3页
This paper used the virtual reality modeling language (VRML) to establish the 3D virtual experiment instrument model, and by using the visual programming language VB to design and develop a interactive virtual reali... This paper used the virtual reality modeling language (VRML) to establish the 3D virtual experiment instrument model, and by using the visual programming language VB to design and develop a interactive virtual realization experiment platform, the interface has friendly interface, stable operation, strong practicability like with the Windows style, is a kind of reform for the traditional physics experiment teaching mode. The system has practical use value, also has reference value for the reform and modernization of other experimental courses. 展开更多
关键词 Physics Experiment Computer assisted Instruction CAI courseware VB VRML
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