Endoscopic tracking for use in interactive, image-guided surgery

James D. Stefansic, Alan J. Herline, William C. Chapman, Robert L. Galloway

Research output: Contribution to journalConference articlepeer-review

18 Scopus citations


In minimally invasive surgery (MIS), endoscopes are used in real-time to enhance visualization and minimize invasion of healthy tissue. Unfortunately, the field of view provided by the scope is limited. In interactive image guided surgery (IIGS), the display of present surgical position on preoperative tomographic images enhances the surgeons field of view and provides knowledge of surgical anatomy. However, changes in the anatomy during surgery are not realized by the current IIGS techniques. This manuscript details the initial experiments conducted to merge the strengths of MIS with IIGS. This includes: 1) developing a technique for accurately tracking an endoscope in physical space and 2) determining a transformation to map endoscopic image space into physical (patient) space.

Original languageEnglish
Pages (from-to)208-218
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1998
EventMedical Imaging 1998: Image Display - San Diego, CA, United States
Duration: Feb 22 1998Feb 24 1998


  • Distortion correction
  • Endoscopy
  • Image-guided surgery
  • Laparoscopy
  • Localization
  • Minimally invasive surgery
  • Registration


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