Comparison of Relative Accuracy Between a Mechanical and an Optical Position Tracker for Image-Guided Neurosurgery

Robert Rohling Department of Biomedical Engineering, McGill University, Montreal, Quebec, CanadaCorrespondence[email protected]

Patrice Munger Department of Biomedical Engineering, McGill University, Montreal, Quebec, Canada

John M. Hollerbach Department of Computer Science, University of Utah, Salt Lake City, Utah

Terry Peters Department of Biomedical Engineering, McGill University, Montreal, Quebec, Canada

Abstract

An essential component in the execution of image-guided surgery is a hand-held probe whose spatial position is tracked during the procedure and displayed on a three-dimensional operative workstation. This paper describes an experiment performed in order to compare the accuracy of a mechanically linked pointing device (FARO surgical arm) and an optical position tracker (OPTOTRAK) against a “gold standard.”

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Comparison of Relative Accuracy Between a Mechanical and an Optical Position Tracker for Image-Guided Neurosurgery

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Comparison of Relative Accuracy Between a Mechanical and an Optical Position Tracker for Image-Guided Neurosurgery

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