基于虚像显示系统的近景立体成像方法

Close-range Stereo Imaging Method Based on Virtual Image Display System

为了解决原有虚像显示系统无法呈现近距离景物的问题,提出一种近景立体成像方法。在虚像显示方式的基础上,采用立体式成像方法、头位追踪技术、判断近距离景物成像距离等方法,克服了虚像显示系统近距离景物由于纵深感强造成的尺寸大缺陷,解决了虚像显示系统近距离景物位置失真、尺寸失真等问题。原虚像显示系统8~15 m景物被呈现在1~5 m的正确位置上,实现了虚像显示系统的近景成像模拟。立体成像方法已应用于大型飞行模拟器视景系统,为飞行人员提供了逼真的舱外景物。

In order to solve the problem that the virtual image display system cannot present the close-range scenery,a close-range stereo imaging method is proposed.On the basis of the virtual image display method,the stereo imaging method,the head position tracking technology and the close-range scenery imaging distance judging method are adopted to overcome the large size defects caused by the strong depth perception in the close-range scenery of the virtual image display system,so that the problems such as position distortion and size distortion of close-range scenery in the virtual image display system are solved.The original 8~15 m scenery are rendered in the correct position of 1~5 m,and the close-range imaging simulation of the virtual image display system is realized.Such a stereo imaging method is applied to the large flight simulator visual system,providing the flight crews with realistic extravehicular scenery.