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Deep learning techniques for bone surface delineation in ultrasound
Author(s): Matija Ciganovic; Firat Özdemir; Mazda Farshad; Orcun Göksel
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Paper Abstract

For computer-assisted interventions in orthopedic surgery, automatic bone surface delineation can be of great value. For instance, given such a method, an automatically extracted bone surface from intraoperative imaging modalities can be registered to the bone surfaces from preoperative images, allowing for enhanced visualization and/or surgical guidance. Ultrasound (US) is ideal for imaging bone surfaces intraoperatively, being real-time, non-ionizing, and cost-effective. However, due to its low signal-to-noise ratio and imaging artifacts, extracting bone surfaces automatically from such images remains challenging. In this work, we examine the suitability of deep learning for automatic bone surface extraction from US. Given 1800 manually annotated US frames, we examine the performance of two popular neural networks used for segmentation. Furthermore, we investigate the effect of different preprocessing methods used for manual annotations in training on the final segmentation quality, and demonstrate excellent qualitative and quantitative segmentation results.

Paper Details

Date Published: 15 March 2019
PDF: 7 pages
Proc. SPIE 10955, Medical Imaging 2019: Ultrasonic Imaging and Tomography, 109550Y (15 March 2019); doi: 10.1117/12.2512997
Show Author Affiliations
Matija Ciganovic, ETH Zurich (Switzerland)
Balgrist Univ. Hospital, Univ. of Zurich (Switzerland)
Firat Özdemir, ETH Zurich (Switzerland)
Mazda Farshad, Balgrist Univ. Hospital, Univ. of Zurich (Switzerland)
Orcun Göksel, ETH Zurich (Switzerland)


Published in SPIE Proceedings Vol. 10955:
Medical Imaging 2019: Ultrasonic Imaging and Tomography
Brett C. Byram; Nicole V. Ruiter, Editor(s)

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