Abstract #2432

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

Till Huelnhagen^1,2,3, Ricardo Corredor-Jerez^1,2,3, Michael Amann^4,5,6, Emmanuelle Brès¹, Pavel Falkovskiy^1,2,3, Philippe Cattin⁵, Tobias Heye⁶, Oliver Bieri⁶, Till Sprenger⁷, Christoph Stippich⁶, Jens Wuerfel^4,5, Ernst-Wilhelm Radue⁴, and Tobias Kober^1,2,3

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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