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Automatic quality assessment of transperineal ultrasound images of the male pelvic region, using deep learning

Authors
  • Camps, Saskia
  • Houben, Tim
  • Carneiro, Gustavo
  • Edwards, Christopher
  • Antico, Maria
  • Dunnhofer, Matteo
  • Martens, Esther
  • Baeza, Jose
  • Vanneste, Ben
  • van Limbergen, Evert
  • de With, Peter
  • Verhaegen, Frank
  • Fontanarosa, Davide
Publication Date
Feb 01, 2020
Source
Queensland University of Technology ePrints Archive
Keywords
License
Unknown

Abstract

Ultrasound guidance is not in widespread use in prostate cancer radiotherapy workflows. This can be partially attributed to the need for image interpretation by a trained operator during ultrasound image acquisition. In this work, a one-class regressor, based on DenseNet and Gaussian processes, was implemented to automatically assess the quality of transperineal ultrasound images of the male pelvic region. The implemented deep learning approach was tested on 300 transperineal ultrasound images and it achieved a scoring accuracy of 94%, a specificity of 95% and a sensitivity of 92% with respect to the majority vote of 3 experts, which was comparable with the results of these experts. This is the first step toward a fully automatic workflow, which could potentially remove the need for ultrasound image interpretation and make real-time volumetric organ tracking in the radiotherapy environment using ultrasound more appealing.

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