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Multiple Planes in Stereo-Transparency

机译:立体透明的多个平面

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摘要

In the typical Julesz display, subjects view random-dot stereograms in which dots in each depth plane are adjacent. However, Tsirlin, Allison, & Wilcox (JOV/8/5/5) intermingled dots with different disparities to create transparent, overlaid, depth planes. With free viewing and unlimited time to search and re-fixate, their subjects could distinguish up to six such depth planes. We now report that na?ˉve subjects achieve this by scanning the display, noting only two or three planes at a time. However, after many hours of practice, experienced subjects can, in optimal conditions, accurately distinguish six to eight depth planes in a random display within 400 ms. (We provide unlimited exposure to just the first and last planes, to facilitate fusion, before completing the display for the specified time.) The new result supports theories of stereopsis in which the simultaneous analysis of multiple depth planes is possible, even without spatial adjacency.
机译:在典型的Julesz显示屏中,受试者会看到随机点立体图,其中每个深度平面中的点都相邻。但是,Tsirlin,Allison和Wilcox(JOV / 8/5/5)将具有不同视差的点混合在一起,以创建透明的,覆盖的深度平面。可以免费观看,而且搜索和重新定位的时间不受限制,他们的对象最多可以分辨出六个这样的深度平面。现在,我们报告称,幼稚的被摄体通过扫描显示来实现这一目标,一次仅注意两个或三个平面。但是,经过数小时的练习,有经验的受试者可以在最佳条件下在400毫秒内的随机显示中准确地区分六到八个深度平面。 (在指定的时间内完成显示之前,我们仅对第一个和最后一个平面提供无限的曝光,以便于融合。)新结果支持立体视学说,即使没有空间邻接,也可以同时分析多个深度平面。

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