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We present several deep learning models for assessing the morphometric fidelity of deep grey matter region models extracted from brain MRI. We test three different convolutional neural net architectures (VGGNet, ResNet and Inception) over 2D maps of geometric features. Further, we present a novel geometry feature augmentation technique based on a parametric spherical mapping. Finally, we present an approach for model decision visualization, allowing human raters to see the areas of subcortical shapes most likely to be deemed of failing quality by the machine. Our training data is comprised of 5200 subjects from the ENIGMA Schizophrenia MRI cohorts, and our test dataset contains 1500 subjects from the ENIGMA Major Depressive Disorder cohorts. Our final models reduce human rater time by 46-70%. ResNet outperforms VGGNet and Inception for all of our predictive tasks.

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  • Downloaded 344 times
  • Download rankings, all-time:
    • Site-wide: 34,291 out of 70,446
    • In neuroscience: 5,949 out of 12,668
  • Year to date:
    • Site-wide: 36,847 out of 70,446
  • Since beginning of last month:
    • Site-wide: 49,380 out of 70,446

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