Several Strategies on 3D Modeling of Manmade Objects  

作　　者：SHAOZhenfeng LIDeren CHENGQimin 

机构地区：[1]StateKeyLaboratoryofInformationEngineeringinSurveying,MappingandRemoteSensing,WubanUniversity,129LuoyuRoad,Wuhan430079,China.

出　　处：《Geo-Spatial Information Science》2004年第1期67-71,共5页地球空间信息科学学报（英文）

基　　金：FundedbyNSFC(No.4 0 0 0 1 0 1 7andNo .4 0 0 2 30 0 4 )

摘　　要：Several different strategies of 3D modeling are a do pted for different kinds of manmade objects. Firstly, for those manmade objects with regular structure, if 2D information is available and elevation information can be obtained conveniently, then 3D modeling of them can be executed directly . Secondly, for those manmade objects with complicated structure comparatively a nd related stereo images pair can be acquired, in the light of topology-based 3 D model we finish 3D modeling of them by integrating automatic and semi-automat ic object extraction. Thirdly, for the most complicated objects whose geometrica l information cannot be got from stereo images pair completely, we turn to topol ogical 3D model based on CAD.Several different strategies of 3D modeling are adopted for different kindsof manmade objects. Firstly, for those manmade objects with regular structure, if 2D information isavailable and elevation information can be obtained conveniently, then 3D modeling of them can beexecuted directly. Secondly, for those manmade objects with complicated structure comparatively andrelated stereo images pair can be acquired, in the light of topology-based 3D model we finish 3Dmodeling of them by integrating automatic and semi-automatic object extraction. Thirdly, for themost complicated objects whose geometrical information cannot be got from stereo images paircompletely, we turn to topological 3D model based on CAD.

关 键 词：3D model manmade objects stereo images pair 

分 类 号：P231[天文地球—摄影测量与遥感]