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This paper describes a remote virtual-surgery training and teaching system using image processing and virtual reality technologies. The intern operator, the instructor, and auditors can stay in different rooms and exchange their information via Internet or Intranet. CT data is pre-download and registered to the space under an LCD monitor at the operator's(More)
In this paper, a navigation system combining multiple space-guiding trackers is proposed for cerebral endovascular surgery. This system not only provides 2-D and 3-D visualization of medical images but also integrates an ICP-based algorithm to increase the registration accuracy during cerebral endovascular navigation. This tracking system integrates a(More)
In this paper, we present a coarse-to-fine approach for surface registration used in frameless brain surgery. The reference point data are extracted from patient's pre-stored CT images; the floating point data are captured from the patient's head by using an electromagnetic tracker. The registration algorithm takes the information of global coarse markers(More)
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