头部相关透视实时立体图形渲染算法的研究与实现

Research and Implementation of Head-coupled Perspective Algorithm for Real-time Stereo Rendering

研究并实现了一种对于实时三维立体图像渲染的视点相关透视改进算法,算法使得计算机输出的三维图像在传统显示器和投影仪设备等二维平面显示设备上,呈现出关于任意观察者头部位置进行透视矫正的立体图像。使用微软的Kinect for Windows设备来捕捉观察者的视点位置,使用Unity 3D游戏引擎渲染三维场景,使用两台投影仪分别在两个互相垂直的投影面上投影出拼接后的透视矫正的立体图像。实验结果表明本文算法视点相关的渲染效果具有鲁棒性和实时性。

This article presents an implementation of head-coupled perspective technique which improves traditional computer generated real-time 3D stereo image rendering. This technique enables traditional planar display device such as monitors and projectors to have the ability to present perspective correct stereo image for the observer in arbitrary view positions. In the demonstration,a Microsoft Kinect for Windows is used to capture the observer's head position. APC with the game engine Unity 3D installed is used to take the observer's head position data from Kinect as input and render out perspective correct stereo image. Finally,two projector are utilized to project two sub-images output from the rendering PC onto two perpendicular surface respectively to expand display surface area. Experimental results shows real-time and robustness of the proposed algorithm.