Title :
Electromagnetic Tracking for Image-Guided Abdominal Procedures: Overall System and Technical Issues
Author :
Cleary, Kevin ; Zhang, Hui ; Glossop, Neil ; Levy, Elliot ; Wood, Bradford ; Banovac, Filip
Author_Institution :
Dept. of Radiol., Georgetown Univ., Washington, DC
fDate :
6/27/1905 12:00:00 AM
Abstract :
This paper summarizes our work over the past several years in developing an image-guided system based on electromagnetic tracking for abdominal interventions. The paper begins with a review of computer-aided surgery and electromagnetic tracking. We next describe our image-guided system along with phantom and animal studies. We then present some technical issues in improving accuracy including pivot calibration, dynamic referencing, and registration using two 5 degree-of-freedom sensors. Electromagnetic tracking has great potential for assisting physicians in precision placement of instruments during minimally invasive interventions. However, the accuracy of these systems needs to be validated in the clinical environment and issues such as respiratory motion and organ deformation need to be addressed
Keywords :
biological organs; calibration; computerised tomography; deformation; image registration; medical image processing; pneumodynamics; animal studies; computer-aided surgery; dynamic referencing; electromagnetic tracking; image registration; image-guided abdominal procedures; minimally invasive interventions; organ deformation; phantom; pivot calibration; respiratory motion; Abdomen; Biomedical imaging; Biomedical optical imaging; Computer displays; Computer vision; Instruments; Minimally invasive surgery; Optical sensors; Physics computing; Target tracking;
Conference_Titel :
Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the
Conference_Location :
Shanghai
Print_ISBN :
0-7803-8741-4
DOI :
10.1109/IEMBS.2005.1616054
