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Picture for Nicha Dvornek

Multiple-shooting adjoint method for whole-brain dynamic causal modeling


Feb 14, 2021
Juntang Zhuang, Nicha Dvornek, Sekhar Tatikonda, Xenophon Papademetris, Pamela Ventola, James Duncan

* 27th International Conference on Information Processing in Medical Imaging 

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AdaBelief Optimizer: Adapting Stepsizes by the Belief in Observed Gradients


Oct 24, 2020
Juntang Zhuang, Tommy Tang, Yifan Ding, Sekhar Tatikonda, Nicha Dvornek, Xenophon Papademetris, James S. Duncan

* NeurIPS 2020 

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Adaptive Checkpoint Adjoint Method for Gradient Estimation in Neural ODE


Jun 03, 2020
Juntang Zhuang, Nicha Dvornek, Xiaoxiao Li, Sekhar Tatikonda, Xenophon Papademetris, James Duncan

* ICML2020 

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Multi-site fMRI Analysis Using Privacy-preserving Federated Learning and Domain Adaptation: ABIDE Results


Jan 16, 2020
Xiaoxiao Li, Yufeng Gu, Nicha Dvornek, Lawrence Staib, Pamela Ventola, James S. Duncan

* 12 pagers, 11 figures, preprint submitted to Medical Image Analysis 

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