Interactive virtual navigation in human organs

被引:0
|
作者
Li, GM [1 ]
Tian, J [1 ]
Zhao, MC [1 ]
He, HG [1 ]
机构
[1] Chinese Acad Sci, Inst Automat, Key Lab Complex Syst & Intelligence Sci, Med Image Proc Grp, Beijing 100080, Peoples R China
关键词
virtual endoscopy; path planning; mesh simplification; mesh subdivision; virtual navigation;
D O I
10.1117/12.538983
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Virtual endoscopy is meaningful for medical diagnosis and surgery. In this paper, a system framework for virtual endoscopy is proposed including automatic centerline extraction and view-dependent level-of-detail rendering techniques. Combining Hessian Matrix with distance mapping, our path planning method can generate accurate skeleton for virtual navigation. Furthermore, real time rendering can be achieved with our new view-dependent subdivision algorithm. The experimental results show the efficiency of our methods.
引用
收藏
页码:432 / 436
页数:5
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