Abstract #3856

SHARP Edges: Recovering Cortical Phase Contrast Through Harmonic Extension

Ryan Topfer¹,², Ferdinand Schweser³, Andreas Deistung⁴, Alan H. Wilman¹,², Jrgen R. Reichenbach³

¹Department of Physics, University of Alberta, Edmonton, AB, Canada; ²Department of Biomedical Engineering, University of Alberta, Edmonton, AB, Canada; ³Medical Physics Group, Institute of Diagnostic and Interventional Radiology I, Jena University Hospital - Friedrich Schiller University, Jena, Thuringia, Germany; ⁴Medical Physics Group, Institute of Diagnostic and Interventional Radiology I, Jena University Hospital - Friedrich Schiller University Jena, Jena, Thuringia, Germany

SHARP and PDF, two recently proposed techniques for filtering B0 field (phase) maps, share a common pitfall: failure to accurately filter background field near the edges of the brain (e.g. cortex). This study presents an adaptation to conventional SHARP whereby