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研究多视点裸眼立体显示视区变换,提出一种利用压缩视点间距提高立体显示运动视差连续性的方法,实现只需人眼微小的空间位移就可获得立体图像的更换。以四视点柱面透镜光栅裸眼立体显示为例,对成像原理进行了研究,推导出视点间距压缩后立体显示系统各个参数之间的关系,并重点分析了立体显示视区的周期性特征。采用TracePro光学软件进行仿真论证,结果表明,通过压缩视点间距,在没有引入新串扰度分量的前提下,可有效提高立体显示视点的连续性。
In this paper, we study the transformation of the viewport of multi-view naked-eye stereoscopic display and propose a method of using the compressed view-point spacing to improve the continuity of the three-dimensional display of motion disparity so as to obtain the replacement of the three-dimensional image with only a small spatial displacement of the human eye. Taking the four-viewpoint cylindrical lens grating naked-eye stereoscopic display as an example, the imaging principle is studied, and the relationship between the various parameters of the stereoscopic display system after the compression of the viewpoint spacing is deduced. The periodic characteristics of the stereoscopic display viewing zone are analyzed emphatically. TracePro optical software is used to simulate and verify the results. The results show that the compression of viewpoint spacing can effectively improve the continuity of stereoscopic display without introducing a new crosstalk component.