Comparative evaluation of autocontouring in clinical practice: A practical method using the Turing test

Medical Physics
Mark GoodingWouter van Elmpt

Abstract

Automated techniques for estimating the contours of organs and structures in medical images have become more widespread and a variety of measures are available for assessing their quality. Quantitative measures of geometric agreement, for example, overlap with a gold-standard delineation, are popular but may not predict the level of clinical acceptance for the contouring method. Therefore, surrogate measures that relate more directly to the clinical judgment of contours, and to the way they are used in routine workflows, need to be developed. The purpose of this study is to propose a method (inspired by the Turing Test) for providing contour quality measures that directly draw upon practitioners' assessments of manual and automatic contours. This approach assumes that an inability to distinguish automatically produced contours from those of clinical experts would indicate that the contours are of sufficient quality for clinical use. In turn, it is anticipated that such contours would receive less manual editing prior to being accepted for clinical use. In this study, an initial assessment of this approach is performed with radiation oncologists and therapists. Eight clinical observers were presented with thoracic organ-at-risk ...Continue Reading

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Citations

May 22, 2019·The British Journal of Radiology·Daniel JarrettMark J Gooding
Feb 4, 2021·Clinical and Translational Radiation Oncology·Thomas WilligenburgJochem R N van der Voort van Zyp
Mar 6, 2021·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Elaine ChaErin F Gillespie
Feb 27, 2021·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·C HagueR Chuter
Mar 28, 2021·Medical Physics·Alexander JenkinsEliana Vasquez Osorio
May 14, 2021·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Michael V ShererErin F Gillespie
Jul 23, 2021·Medical Image Analysis·Robert PoelMauricio Reyes
Aug 31, 2021·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Femke VaassenWouter van Elmpt
Nov 17, 2021·Medical Physics·Abraham George SmithIvan Richter Vogelius

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