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A stereo visual and precise measurable virtual reality system

LIN Zong-jian,LIU Xian-lin,ZHANG Ji-xian,LI Cheng-ming,ZUO Jian-zhang,SUN Jie,HONG Zhi-gang(Chinese Academy of Surveying & Mpaaing,Beijing 100039)  
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.
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