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Abstract #4349

Automated Identification of Non-Brain Voxels for Clean Brain Extraction Using Diffusion MRI

Ye Wu1, Yoonmi Hong1, Weili Lin1, Pew-Thian Yap1, and the UNC/UMN Baby Connectome Project Consortium1
1Department of Radiology and BRIC, University of North Carolina, Chapel Hill, Chapel Hill, NC, United States

Automated brain extraction using diffusion MRI is challenging owing to the low spatial resolution. Unremoved residual non-brain voxels characteristically manifest as voxels with high fractional anisotropy (FA). In this abstract, we introduce a fast and robust method to identify non-brain voxels for clean extraction of the brain using diffusion MRI. We show that our method is effective for both adult and infant data.

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