PURPOSE: Electromagnetic tracking is the gold standard for instrument tracking and navigation in the clinical setting without line of sight. Whilst clinical platforms exist for interventional bronchoscopy and neurosurgical navigation, the limited flexibility and high costs of electromagnetic tracking (EMT) systems for research investigations mitigate against a better understanding of the technology's characterisation and limitations. The Anser project provides an open-source implementation for EMT with particular application to image-guided interventions. METHODS: This work provides implementation schematics for our previously reported EMT system which relies on low-cost acquisition and demodulation techniques using both National Instruments and Arduino hardware alongside MATLAB support code. The system performance is objectively compared to other commercial tracking platforms using the Hummel assessment protocol. RESULTS: Positional accuracy of 1.14 mm and angular rotation accuracy of [Formula: see text] are reported. Like other EMT platforms, Anser is susceptible to tracking errors due to eddy current and ferromagnetic distortion. The system is compatible with commercially available EMT sensors as well as the Open Network Interface for image-guided therapy (OpenIGTLink) for easy communication with visualisation and medical imaging toolkits such as MITK and 3D Slicer. CONCLUSIONS: By providing an open-source platform for research investigations, we believe that novel and collaborative approaches can overcome the limitations of current EMT technology.
PURPOSE: Electromagnetic tracking is the gold standard for instrument tracking and navigation in the clinical setting without line of sight. Whilst clinical platforms exist for interventional bronchoscopy and neurosurgical navigation, the limited flexibility and high costs of electromagnetic tracking (EMT) systems for research investigations mitigate against a better understanding of the technology's characterisation and limitations. The Anser project provides an open-source implementation for EMT with particular application to image-guided interventions. METHODS: This work provides implementation schematics for our previously reported EMT system which relies on low-cost acquisition and demodulation techniques using both National Instruments and Arduino hardware alongside MATLAB support code. The system performance is objectively compared to other commercial tracking platforms using the Hummel assessment protocol. RESULTS: Positional accuracy of 1.14 mm and angular rotation accuracy of [Formula: see text] are reported. Like other EMT platforms, Anser is susceptible to tracking errors due to eddy current and ferromagnetic distortion. The system is compatible with commercially available EMT sensors as well as the Open Network Interface for image-guided therapy (OpenIGTLink) for easy communication with visualisation and medical imaging toolkits such as MITK and 3D Slicer. CONCLUSIONS: By providing an open-source platform for research investigations, we believe that novel and collaborative approaches can overcome the limitations of current EMT technology.
Entities:
Keywords:
Electromagnetic tracking; Image guidance; Image-guided surgery; Open source; OpenIGTLink
Authors: A M Franz; K März; J Hummel; W Birkfellner; R Bendl; S Delorme; H-P Schlemmer; H-P Meinzer; L Maier-Hein Journal: Int J Comput Assist Radiol Surg Date: 2012-05-24 Impact factor: 2.924
Authors: Johann B Hummel; Michael R Bax; Michael L Figl; Yan Kang; Calvin Maurer; Wolfgang W Birkfellner; Helmar Bergmann; Ramin Shahidi Journal: Med Phys Date: 2005-07 Impact factor: 4.071
Authors: Kilian O'Donoghue; Alberto Corvo; Pietro Nardelli; Conor O'Shea; Kashif Ali Khan; Marcus Kennedy; Padraig Cantillon-Murphy Journal: Conf Proc IEEE Eng Med Biol Soc Date: 2014
Authors: Elodie Lugez; Hossein Sadjadi; David R Pichora; Randy E Ellis; Selim G Akl; Gabor Fichtinger Journal: Int J Comput Assist Radiol Surg Date: 2014-09-06 Impact factor: 2.924
Authors: Alfred M Franz; Tamás Haidegger; Wolfgang Birkfellner; Kevin Cleary; Terry M Peters; Lena Maier-Hein Journal: IEEE Trans Med Imaging Date: 2014-05-05 Impact factor: 10.048
Authors: Kashif Ali Khan; Pietro Nardelli; Alex Jaeger; Conor O'Shea; Padraig Cantillon-Murphy; Marcus P Kennedy Journal: Adv Ther Date: 2016-03-22 Impact factor: 3.845
Authors: Stephen Hinds; Herman Alexander Jaeger; Richard Burke; Brodie O'Sullivan; Joseph Keane; Fabian Trauzettel; Bruno Marques; Stéphane Cotin; Brian Bird; Håkon Olav Leira; Erlend Fagertun Hofstad; Ole Vegard Solberg; Thomas Langø; Pádraig Cantillon-Murphy Journal: Int J Comput Assist Radiol Surg Date: 2019-04-27 Impact factor: 2.924