Standalone Neural ODEs with Sensitivity Analysis
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Abstract (arXiv)
This paper presents the Standalone Neural ODE (sNODE), a continuous-depth neural ODE model capable of describing a full deep neural network. This uses a novel nonlinear conjugate gradient (NCG) descent optimization scheme for training, where the Sobolev gradient can be incorporated to improve smoothness of model weights. We also present a general formulation of the neural sensitivity problem and show how it is used in the NCG training. The sensitivity analysis provides a reliable measure of uncertainty propagation throughout a network, and can be used to study model robustness and to generate adversarial attacks. Our evaluations demonstrate that our novel formulations lead to increased robustness and performance as compared to ResNet models, and that it opens up for new opportunities for designing and developing machine learning with improved explainability.
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References · 23
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11 more
- 2018Sensitivity and Generalization in Neural Networks: an Empirical Studycited by 187
- 2020Dissecting Neural ODEscited by 150
- 2020Evaluation of Neural Architectures Trained with Square Loss vs Cross-Entropy in Classification Taskscited by 137
- 2017Sobolev Training for Neural Networkscited by 136
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- 2021Stable Neural ODE with Lyapunov-Stable Equilibrium Points for Defending Against Adversarial Attackscited by 91
- 2019On Robustness of Neural Ordinary Differential Equationscited by 83
- 2020NeuralSens: Sensitivity Analysis of Neural Networkscited by 14
- 2021Stateful ODE-Nets using Basis Function Expansionscited by 14
- 2021Symplectic Adjoint Method for Exact Gradient of Neural ODE with Minimal Memorycited by 11
- 2022Learning via nonlinear conjugate gradients and depth-varying neural ODEscited by 3
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