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	Haptic Rendering of Drilling Process in Orthopaedic Surgical Simulation Based on the Volumetric Object
	Qiong Wang; Jing Qin; Weiming Wang; Junliang Shan; Jing Zhang; Xiaofang Liu; Peng-Ann Heng
	2015
会议名称	2015 IEEE International Conference on Digital Signal Processing (DSP2015)
会议地点	Singapore
英文摘要	Drilling process is a basic skill used in almost all kinds of orthopedic surgeries. Currently, the virtual reality based surgical simulator is still lacking the realism and fidelity to convincingly challenge the actual operation experience on patient. In this paper, to obtain the balance between the high refresh rate of the haptic computation and the well visual result of the virtual environment, we employ a composite data structure to represent the three dimensional bone model. Furthermore, we make some improvements on the traditional voxmap point shell collision detection algorithm to be adapted to the contact model with frequent topology changes. Finally, a force computation method that can handle inhomogeneous bone material is developed based on the mechanical model. With this method, key features of the force sensation changing in the drilling process could be represented in a smooth way.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/6788]
专题	深圳先进技术研究院_集成所
作者单位	2015
推荐引用方式 GB/T 7714	Qiong Wang,Jing Qin,Weiming Wang,et al. Haptic Rendering of Drilling Process in Orthopaedic Surgical Simulation Based on the Volumetric Object[C]. 见:2015 IEEE International Conference on Digital Signal Processing (DSP2015). Singapore.

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