Efficient target tracking for 3D ultrasound-guided needle steering

Guillaume Lapouge; Gaelle Fiard; Philippe Poignet; Jocelyne Troccaz

doi:10.1117/12.2548321

16 March 2020 Efficient target tracking for 3D ultrasound-guided needle steering

Guillaume Lapouge, Gaelle Fiard, Philippe Poignet, Jocelyne Troccaz

Proceedings Volume 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling; 113150I (2020) https://doi.org/10.1117/12.2548321
Event: SPIE Medical Imaging, 2020, Houston, Texas, United States

Abstract

3D ultrasound imaging can be used in the context of robotic needle steering to reach a physical target with a flexible, steerable needle. During the insertion, the tissue may be deformed by the inserted needle, patient breathing or external force application. It may therefore be necessary to track intra-operatively the displacement of the target. Most ultrasound based needle steering works concentrate on 2D ultrasound probes, which do not allow to simultaneously track both the target and the needle during 3D needle steering. Physical target tracking in 3D ultrasound-guided needle steering is seldom carried out, and may require computational power that is precious for intra-operative needle steering. This paper proposes a new approach for computationally inexpensive and precise tracking of a moving target in 3D Bmode ultrasound volumes. It is based on the interconnection of intensity-based tracking and motion estimation algorithms. The intensity-based tracking consists in a 3D extension of the Diamond Shape block matching algorithm, used here for the first time in 3D ultrasound volumes for tissue tracking. The motion estimation is done by linear Kalman filtering. It predicts the next target position and ensures faster and more robust convergence of the Diamond Shape block matching algorithm. An experimental validation on ex-vivo tissue is proposed with promising tracking precision (estimated average error of 0.3mm) while significantly lowering the computational cost when compared to classical block matching based tracking.

Conference Presentation

Citation Download Citation

Guillaume Lapouge, Gaelle Fiard, Philippe Poignet, and Jocelyne Troccaz "Efficient target tracking for 3D ultrasound-guided needle steering", Proc. SPIE 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling, 113150I (16 March 2020); https://doi.org/10.1117/12.2548321

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