12 July 2016 Towards ultrasound travel time tomography for quantifying human limb geometry and material properties
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Abstract
Sound speed inversions made using simulated time of flight data from a numerical limb-mimicking phantom comprised of soft tissue and a bone inclusion demonstrate that wave front tracking forward modeling combined with L1 regularization may lead to accurate estimates of bone sound speed. Ultrasonic tomographic imaging of limbs has the potential to impact prosthetic socket fitting, as well as detect and track muscular dystrophy diseases, osteoporosis and bone fractures at low cost and without radiation exposure. Research in ultrasound tomography of bones has increased in the last 10 years, however, methods delivering clinically useful sound speed inversions are lacking.
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Jonathan R. Fincke, Micha Feigin, Germán A. Prieto, Xiang Zhang, Brian Anthony, "Towards ultrasound travel time tomography for quantifying human limb geometry and material properties", Proc. SPIE 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography, 97901S (12 July 2016); doi: 10.1117/12.2218387; https://doi.org/10.1117/12.2218387
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