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Differentiating Operator Skill during Routine Fetal Ultrasound Scanning using Probe Motion Tracking. 2020

Yipei Wang, and Richard Droste, and Jianbo Jiao, and Harshita Sharma, and Lior Drukker, and Aris T Papageorghiou, and J Alison Noble
Institute of Biomedical Engineering, University of Oxford, Oxford, UK.

In this paper, we consider differentiating operator skill during fetal ultrasound scanning using probe motion tracking. We present a novel convolutional neural network-based deep learning framework to model ultrasound probe motion in order to classify operator skill levels, that is invariant to operators' personal scanning styles. In this study, probe motion data during routine second-trimester fetal ultrasound scanning was acquired by operators of known experience levels (2 newly-qualified operators and 10 expert operators). The results demonstrate that the proposed model can successfully learn underlying probe motion features that distinguish operator skill levels during routine fetal ultrasound with 95% accuracy.

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