精确时空立体景观虚拟现实的构建与应用方法研究  

A stereo visual and precise measurable virtual reality system

作　　者：林宗坚[1] 刘先林[1] 张继贤[1] 李成名[1] 左建章[1] 孙杰[1] 洪志刚[1] 

机构地区：[1]中国测绘科学研究院,北京100039

出　　处：《测绘科学》2005年第2期16-18,共3页Science of Surveying and Mapping

基　　金：国家重大基础研究前期专项 :2 0 0 2CCA0 4 70 0

摘　　要：本文提出一种适应人眼双目立体视觉的、可以精确进行三维量测的虚拟现实系统概念 ,阐述了这种系统的社会需求、理论依据和构建技术 ,特别详细讨论了人造立体视觉所应遵循的几何物理条件 ,三维模型数据获取方法、立体模型显示与立体观测方法、以及虚景与实景叠加等技术问题 ,并给出相应的解决方案 。A conception of the virtual reality system suited to binocular stereo vision and possible for precise three dimensional measuring are proposed.The application requirements,the theory principles and the construction technologies about this system are presented in this paper.Some methods based on aerophotogrammetry and close-range photogrammetry,UAV low altitude photography,Insar and Sonar principles are proposed for three dimensional modeling data acquisition Binocular perspective projection algorithm is adopted to transfer three dimensional model into binocular images.Then stereovision equipment produces binocular stereovision according to the geometric and physical principle.Finally some tested application examples are listed.

关 键 词：虚拟现实 三维量测 立体视觉 无人机摄影 

分 类 号：P231[天文地球—摄影测量与遥感] P232[天文地球—测绘科学与技术]