System and method for distortion reduction in an electromagnetic tracker
A tracking system and tracker technology, applied in the field of ction i, tracking performance, can solve problems such as patient danger, inaccurate position measurement, etc.
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[0024] For purposes of illustration only, the following detailed description refers to an embodiment of an electromagnetic tracking system for use with an image-guided surgery system. It should be understood that the present invention may be used with other imaging systems and other applications.
[0025] figure 1 A distortion processing system 100 employed in accordance with the present invention for improving the accuracy of position measurements within an electromagnetic (EM) tracker is shown. The system 100 includes an instrument 110 , a tracking analysis unit 120 and a tracking correction unit 130 . Tracking analysis unit 120 observes the tracking performance of instrument 110 . Track correction unit 130 attempts to improve or compensate the tracking performance of instrument 110 based on information from track analysis unit 120 . The tracking analysis unit 120 and the tracking correction unit 130 may be implemented as discrete units or a single unit by hardware and / or...
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