Accuracy Assessment of an N-Ocular Motion Capture System for Surgical Tool Tip Tracking Using Pivot Calibration
Refereed conference paper presented and published in conference proceedings


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AbstractOptical tracking system (OTS) is nowadays the most commonly used surgical instrument tracking system for image-guided surgery (IGS) because of its high accuracy and robustness. However, it suffers from occlusion problem during the surgery. Multi-camera tracking system can potentially eliminate this problem with its redundancy of camera numbers. However, no systematic evaluation has been conducted to study the feasibility of a multi-camera tracking system in surgical instrument tracking. In this paper, the pivot calibration and tip tracking accuracy using customized phantom were respectively evaluated at three seperate locations. Various evaluation metrics were included to assess the pivot calibration and tracking accuracy comprehensively. The results indicate that pivot calibration process should be conducted near central place of field of view (FOV) in order to achieve less calibration error. The target registration error (rms) of the surgical instrument tool tip tracking was 0.39, 0.35 and 0.75 mm when the phantom was placed at three seperate locations in the FOV of tracking system. The experimental results show the multi-camera tracking system's potential possibility to be used in image-guided surgery.
All Author(s) ListMin Z, Zhu DL, Meng MQH
Name of Conference2016 IEEE International Conference on Information and Automation (ICIA)
Start Date of Conference01/08/2016
End Date of Conference03/08/2016
Place of ConferenceNingbo, China
Country/Region of ConferenceChina
Proceedings Title2016 IEEE International Conference on Information and Automation (ICIA)
Title of Publication2016 IEEE INTERNATIONAL CONFERENCE ON INFORMATION AND AUTOMATION (ICIA)
Year2016
Month8
Pages1630 - 1634
ISBN978-1-5090-4103-9
eISBN978-1-5090-4102-2
LanguagesEnglish-United Kingdom
KeywordsOptical tracking system (OTS),image guided surgery (IGS),multi-camera tracking system,pivot calibration,tip tracking accuracy
Web of Science Subject CategoriesAutomation & Control Systems;Computer Science, Information Systems;Automation & Control Systems;Computer Science

Last updated on 2020-05-04 at 00:45