单视点生成体视图的方法研究  

A Method of Creating Stereoscopic Views Based on Perspective Projection of Signal Viewpoint

作　　者：王飞[1] 王晨升[1] 刘晓杰[2] 

机构地区：[1]北京邮电大学,北京100876 [2]长春大学机械工程学院,吉林长春130022

出　　处：《工程图学学报》2010年第4期45-49,共5页Journal of Engineering Graphics

基　　金：国家"863"计划资助项目(2007AA01Z329)

摘　　要：简述了体视投影的原理,根据透视变换矩阵推出了体视投影的变换矩阵,研究了基于单视点透视功能生成体视投影的方法,即将原对象物体沿x错切和平移变换后,即可由当前视点(右视点)得到第二视点(左视点)的投影图,并用射影几何从理论上证明了算法的正确性。用AutoCAD生成算法的体视投影,结果表明方法正确。The computational mechanism of stereoscopic views is introduced,and the transformation of stereoscopic projection is inferred based on perspective projection.The paper has studied the method of creating stereoscopic projection based on signal viewpoint projecting transformation,i.e.,by means of transforming the object being observed with shearing and translating transformation,thus obtaining the perspective view of the second （left eye） viewpoint from current （right eye） viewpoint.The proposed algorithm has theoretically been proved using projective geometry theory.An evaluation of results using AutoCAD has been carried out,proving that the proposed method is both effective and easy to be used.

关 键 词：工程图学 体视图生成 单视点 透视变换 

分 类 号：TB23[一般工业技术—工程设计测绘]