数字化背景下的虚拟技术图形处理研究
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摘要
虚拟技术在现代计算机领域是一个研究热点,虚拟技术处理的图形可视区域开阔,在各个应用领域中需要依靠大视觉图像来作出判断的方面应用具有非常重大的贡献.现今虚拟技术实现主要利用的设备有:视觉传感器、鱼眼镜头和凸面反射镜等.以MATLAB数学软件和VRML(虚拟现实建模语言)进行建立三维建模,实现图形三维可视化.以鱼眼镜头设备采集图形信息,利用数学软件提取处理并校正图形,将处理过的图形拼接成为三维图形,实现图形的虚拟可视化.
The visual area of the virtual technology process is open,and there is a very significant contribution to the application of large visual images to make judgments in various application areas. Virtual devices currently used in the implementation of virtual technologies include: vision sensors,fisheye lenses,and convex mirrors. 3D modeling is built with MATLAB math software and VRML( Virtual Reality Modeling Language) and 3D visualization of graphics is achieved. In this paper,the fisheye lens device is used to acquire the graphic information,and the mathematics software is used to extract and process and correct the graphic,and the processed graphic is spliced into a three-dimensional graphic to realize the virtual visualization of the graphic.
The visual area of the virtual technology process is open,and there is a very significant contribution to the application of large visual images to make judgments in various application areas. Virtual devices currently used in the implementation of virtual technologies include: vision sensors,fisheye lenses,and convex mirrors. 3D modeling is built with MATLAB math software and VRML( Virtual Reality Modeling Language) and 3D visualization of graphics is achieved. In this paper,the fisheye lens device is used to acquire the graphic information,and the mathematics software is used to extract and process and correct the graphic,and the processed graphic is spliced into a three-dimensional graphic to realize the virtual visualization of the graphic.
引文
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[3] Rosen J M,Soltanian H,Retett R J. Evolution of virtual reality[J]. IEEE Eng Med Biol Mag,1996,15(2):16.
[4]刘聚卑.虚拟现实在医学中的应用[J].北京生物医学工程,2000(2):47-54.
[5]吕洪波,王田苗,刘达.基于虚拟现实技术的机器人外科手术模拟与培训系统研究[J].高技术通讯,2001,11(11):88-92.
[6] Todd Elvins T. A survey of algorithms for volume visualization[J]. Computer Graphics,1992,26(3):194-201.
[7] Levoy M. Display of surface from volume redering[J]. IEEE Computer Graphics and Application,1988,8(5):29-37.
[8] James“Jay”Kumler,Martin Bauer. Fisheye lens designs and their relative performance[J].
[9]王俊杰.图像绘制虚拟现实关键技术研究[D].复旦大学,2003.
[10]张世阳.基于图像绘制虚拟现实相关技术研究[D].复旦大学,2004.
[11]钱鹏.基于视频流的全景图生产算法研究[D].华中科技大学,2009.