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一、虚拟现实概况虚拟现实(VR)综合了计算机图形学、图像处理与模式识别、智能技术、传感技术、语音处理与音响技术、网络技术等多门科学,将计算机处理的数字化信息变为人们所能感受的具有各种表现形式的多维信息。通过视、听、触觉等作用于使用者,对使用者的控制行为作出动态的交互反应。虚拟现实带来了人机交互的新概念和新方法,计算机模拟外界环境对人的感官刺激已经成为可能。从 VR 技术基于的要素来看,除了传感内容暂不赘述,我们重点关心的内容有三维可视化、视景仿真容及过程模拟等。VR技术的重要应用平台之一是基于模型的应用,没有三维可视化的视景模型,就不成
First, the virtual reality Overview Virtual Reality (VR) combines computer graphics, image processing and pattern recognition, intelligent technology, sensor technology, speech processing and sound technology, network technology and other science, the computerized digital information into Multi-dimensional information that people can feel in various manifestations. Through the visual, listening, tactile and other effects on the user, the user’s control behavior to make a dynamic interactive response. Virtual reality has brought a new concept of human-computer interaction and new methods, computer simulation of the external environment on the human sensory stimulation has become possible. Based on the elements of the VR technology, in addition to the content of the sensor will not go into details, we focus on the content of three-dimensional visualization, visual simulation capacity and process simulation. One of the important application platforms of VR technology is model-based application. Without the visual model of 3D visualization,