An improved method for assessing the technical accuracy of optical tracking systems for orthopaedic surgical navigation
| Autor: | Mathijs Verhaeghe, Malcolm Forward, Patrick De Baets, Stijn Herregodts, Jan Victor, Matthias Verstraete, Bert De Coninck |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Computer science
Point registration medicine.medical_treatment Biophysics Improved method 030230 surgery Imaging phantom 03 medical and health sciences 0302 clinical medicine medicine Humans Orthopedic Procedures Computer vision Computer-assisted surgery 030222 orthopedics Observational error Phantoms Imaging business.industry Frame (networking) Computer Science Applications Optical tracking Orthopedics Surgery Computer-Assisted Surgery Artificial intelligence business |
| Zdroj: | The International Journal of Medical Robotics and Computer Assisted Surgery. 17 |
| ISSN: | 1478-596X 1478-5951 |
| Popis: | Background Optical tracking systems (OTS) are essential components of many modern computer assisted orthopaedic surgery (CAOS) systems but patient movement is often neglected in the evaluation of the accuracy. The aim of this study was to develop a representative test to assess the accuracy of OTSs including patient movement and demonstrate the effect of pointer design and OTS choice. Method A mobile phantom with dynamic reference base (DRB) attached was designed and constructed. The point registration trueness and precision were evaluated for measurements with both a static and moving phantom. Results The trueness of the total target registration error (TTRE) was 1.4 to 2.7 times worse with a moving phantom compared to a static phantom. Conclusion The accuracy of OTSs for CAOS applications should be evaluated by measurements with a moving phantom as the evaluation of the TTRE with a static frame significantly underestimates the measurement error. This article is protected by copyright. All rights reserved. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text