A computerized stereoscopic image system and a method of using two-dimensional images with multi-layer for providing a view having a visual depth are disclosed. The stereoscopic image system includes a computer, a main memory unit, a VGA graphic card, a monitor, an external shutter synchronizer,...http://www.google.com.tw/patents/US5796373?utm_source=gb-gplus-share專利 US5796373 - Computerized stereoscopic image system and method of using two-dimensional image for providing a view having visual depth 
