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Abstract #2432

Intra-Session, Intra-Day and Inter-Day Reproducibility of MRI Image Quality Metrics in a Controlled Scan Setup

Till Huelnhagen1,2,3, Ricardo Corredor-Jerez1,2,3, Michael Amann4,5,6, Emmanuelle Brès1, Pavel Falkovskiy1,2,3, Philippe Cattin5, Tobias Heye6, Oliver Bieri6, Till Sprenger7, Christoph Stippich6, Jens Wuerfel4,5, Ernst-Wilhelm Radue4, and Tobias Kober1,2,3

1Advanced Clinical Imaging Technology, Siemens Healthcare AG, Lausanne, Switzerland, 2Department of Radiology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland, 3Signal Processing Laboratory (LTS 5), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland, 4Medical Image Analysis Center (MIAC), Basel, Switzerland, 5Department of Biomedical Engineering (DBE), University of Basel, Basel, Switzerland, 6Department of Radiology, University Hospital Basel, Basel, Switzerland, 7Department of Neurology, DKD Helios Klinik, Wiesbaden, Germany

Image quality plays a vital role in automated pipelines for medical image processing. Automated tools have thus been developed to detect low-quality images and ensure reliability of downstream results. These tools, however, often rely on image processing algorithms that can be sensitive to certain image features. In this study, we investigate the reproducibility of image quality measures provided by the open source image quality control tool MRIQC with respect to different scan setups. Results show that the reproducibility of some IQ measures is linked to the variation in the scan setup while for others it is less dependent on it.

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