Anatomical Predictions using Subject-Specific Medical DataDownload PDF

Jan 25, 2020 (edited Jun 27, 2020)MIDL 2020 Conference Blind SubmissionReaders: Everyone
  • Keywords: medical imaging, computer vision, prediction, registration, clinical, neural networks
  • Track: short paper
  • Paper Type: both
  • Abstract: Changes in brain anatomy can provide important insight for treatment design or scientific analyses. We present a method that predicts how brain anatomy for an individual will change over time. We model these changes through a diffeomorphic deformation field, and design a predictive function using convolutional neural networks. Given a predicted deformation field, a baseline scan can be warped to give a prediction of the brain scan at a future time. We demonstrate the method using the ADNI cohort, and analyze how performance is affected by model variants and the type of subject-specific information provided. We show that the model provides good predictions and that external clinical data can improve predictions.
  • TL;DR: We present a learning-based model based on diffeomorphic registration to predict the brain anatomy in patient follow-up MRI scan given just a baseline scan using population trends and subject-specific genetic and clinical information.
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