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Abstract #1387

Ultra-wide-band radar for respiratory motion correction of T1 mapping in the liver

Tom Neumann1, Juliane Ludwig1, Kirsten M. Kerkering1, Frank Seifert1, and Christoph Kolbitsch1
1Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany

In this work we introduce a motion correction approach based on a calibrated ultra-wide-band radar signal acquired simultaneously to the MR scan. Our method is contactless and entirely independent from scanner setups or applied imaging sequences which makes it a viable alternative to established motion correction approaches, like navigator sequences or breathholds. We could demonstrate in phantom and in-vivo scans that the proposed motion-correction approach strongly improves T1 quantification.

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