Dynamic registration using ultrasound for anatomical referencing

Talib, Haydar; Styner, Martin; Rudolph, Tobias; González Ballester, Miguel A. (2007). Dynamic registration using ultrasound for anatomical referencing. In: 4th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2007. ISBI 2007 (pp. 1164-1167). IEEE 10.1109/ISBI.2007.357064

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This paper proposes methods to circumvent the need to attach physical markers to bones for anatomical referencing in computer-assisted orthopedic surgery. Using ultrasound, a bone could be non-invasively referenced, and so the problem is formulated as the need for dynamic registration. A method for correspondence establishment is presented, and the matching step is based on three least-squares algorithms: two that are typically used in registration methods such as ICP, and the third is a form of the Unscented Kalman filter that was adapted to work in this context. A simulation was developed in order to reliably evaluate and compare the dynamic registration methods

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