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Abstract #0566

Panchromatic sharpening of FOD-based DEC maps by structural T1 information

Thijs Dhollander 1 , David Raffelt 1 , Robert Elton Smith 1 , and Alan Connelly 1,2

1 The Florey Institute of Neuroscience and Mental Health, Melbourne, Victoria, Australia, 2 The Florey Department of Neuroscience, University of Melbourne, Melbourne, Victoria, Australia

Diffusion weighted imaging (DWI) acquisitions typically suffer from a lower spatial resolution, compared to their T1 structural counterparts, but provide unique angular information. Researchers and clinical users may often find themselves switching back and forth between the "traditional" directionally-encoded colour (DEC) FA map and a T1 map to navigate anatomy, or try to overlay them using (partial) transparency. We propose a panchromatic sharpening approach tailored to (FOD-based) DEC and (T1) structural information to create a single fused image. The resulting contrast is striking and allows for easy identification of various anatomical structures beyond the resolution of the DWI data.

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