DocumentCode :
140295
Title :
Evaluation of a novel tracking system in a breathing lung model
Author :
O´Donoghue, Kilian ; Corvo, Alberto ; Nardelli, Pedro ; O´Shea, Conor ; Khan, Kashif Ali ; Kennedy, Marcus ; Cantillon-Murphy, Padraig
Author_Institution :
Sch. of Eng., Univ. Coll. Cork, Cork, Ireland
fYear :
2014
fDate :
26-30 Aug. 2014
Firstpage :
4046
Lastpage :
4049
Abstract :
We present the evaluation of an electromagnetic position tracking system for use with virtual bronchoscopy systems. Our system utilises a planar magnetic coil array and commercially available search coil sensors. Experimental results show the EM tracking accuracy to be in the range of 11.5mm, which is comparable to both commercial and research systems. The use of a bench-top breathing lung model is used to verify system operation in the in vitro setting. A novel fiducial-free registration method is implemented to reduce errors resulting from inaccurate landmark identification commonly associated with point-based registration. After registration, there is good agreement between the measured position of the sensor probe during endoscopic navigation and the lung airways as visualised in a 3D model of the phantom.
Keywords :
biomedical optical imaging; coils; endoscopes; image registration; lung; medical image processing; phantoms; physiological models; pneumodynamics; position measurement; sensors; tracking; 3D phantom model; breathing lung model; distance 11.5 mm; electromagnetic position tracking system; endoscopic navigation; fiducial-free registration method; lung airway visualization; planar magnetic coil array; point-based registration; search coil sensors; virtual bronchoscopy systems; Accuracy; Atmospheric modeling; Lungs; Mathematical model; Sensors; Solid modeling; Three-dimensional displays;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Engineering in Medicine and Biology Society (EMBC), 2014 36th Annual International Conference of the IEEE
Conference_Location :
Chicago, IL
ISSN :
1557-170X
Type :
conf
DOI :
10.1109/EMBC.2014.6944512
Filename :
6944512
Link To Document :
بازگشت