CAVE系统中不规则多屏投影变换矩阵  

Irregular Projection Transformation Matrix in CAVE System

作　　者：刘劲松[1] 戴拥民 孙建刚[1] 周安[2] 明德烈[3] 

机构地区：[1]国网新疆电力公司,新疆乌鲁木齐830000 [2]北京洛斯达数字遥感技术有限公司,北京100120 [3]华中科技大学自动化学院,湖北武汉430074

出　　处：《计算机与现代化》2016年第9期40-44,共5页Computer and Modernization

基　　金：国家自然科学基金资助项目(61273241)

摘　　要：常见的CAVE系统是由4个正方形投影面构成一个立体空间,将复杂的数据以可视化的方式展现,营造一个逼真的虚拟环境,带给用户一种非凡的沉浸式体验。本文在分析投影变换矩阵的基础上,通过构建CAVE投影坐标系,提出构建不规则投影变换矩阵的快速计算方法。该方法使CAVE系统不再局限于标准的立方体空间,并通过获取用户在CAVE投影坐标系下的坐标位置,实时计算投影变换矩阵,满足用户在任意空间位置下的最佳观测视角。CAVE system consists of four square projection planes forming a three-dimensional space, and it can visually show complex data and bring users exceptional immersive experience. Based on the analysis of the projection transformation matrix, the paper proposes a fast calculation method of constructing irregular projection transformation matrix by constructing CAVE projected coordinate system. This method enables that CAVE system is no longer limit to the standard cube space. Through obtaining the users ＇ coordinate position in CAVE projection matrix and real-time computing projection transformation matrix, a best observation position is given to the users by using this method.

关 键 词：CAVE系统 投影变换矩阵 投影坐标系 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]