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Erschienen in:
2011 | OriginalPaper | Buchkapitel
A Method for Space Tracking and Positioning of Surgical Instruments in Virtual Surgery Simulation
verfasst von : Zhaoliang Duan, Zhiyong Yuan, Weixin Si, Xiangyun Liao, Jianhui Zhao
Erschienen in: Information Computing and Applications
Verlag: Springer Berlin Heidelberg
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As the unique interface for users to communicate with virtual environment, space tracking and positioning apparatus of surgical instruments is an indispensable part of virtual surgery simulation system. A method based on stereoscopic vision is proposed to construct a suit of space tracking and positioning apparatus of surgical instruments. It is able to capture spatial movements of simulated surgical instrument in real time, and provide corresponding six degree of freedom information with the absolute error of less than 1 mm. In order to verify its feasibility, this method is integrated into soft tissue deformation simulation in virtual surgery, and the experimental results show that the developed apparatus is highly accurate, easily operated, and inexpensive.