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Atlas-Based Mask Generation

EF Evan Fletcher
CD Charles DeCarli
AF Audrey P. Fan
AK Alexander Knaack
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Each structural MRI had a segmented ICC mask created by an automated multi-atlas segmentation procedure (Aljabar et al., 2009) followed by human quality control. Briefly, the multi-atlas segmentation consisted of nonlinear warps of 15 template brain images, in which the ICC has been carefully delineated by human operators, onto a target whole-head MRI. The deformed template ICC masks were overlaid in the target native space and a voting scheme is conducted to ascertain a consensus of ICC locations within the target image. Final cleanup to remove inevitable mistakes was performed by human operators using a slice-based visualization tool.

Copyright and License information:  ©2021 Fletcher, DeCarli, Fan and Knaack.
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