1 code implementation • 31 Mar 2024 • Minglei Yang, Pengjun Wang, Ming Fan, Dan Lu, Yanzhao Cao, Guannan Zhang
We introduce a conditional pseudo-reversible normalizing flow for constructing surrogate models of a physical model polluted by additive noise to efficiently quantify forward and inverse uncertainty propagation.
no code implementations • 22 Oct 2023 • Yanfang Liu, Minglei Yang, Zezhong Zhang, Feng Bao, Yanzhao Cao, Guannan Zhang
Unlike existing diffusion models that train neural networks to learn the score function, we develop a training-free score estimation method.
1 code implementation • 17 Dec 2022 • Richard Archibald, Feng Bao, Yanzhao Cao, Hui Sun
In this paper, we carry out numerical analysis to prove convergence of a novel sample-wise back-propagation method for training a class of stochastic neural networks (SNNs).
no code implementations • 28 Nov 2020 • Richard Archibald, Feng Bao, Yanzhao Cao, He Zhang
We develop a probabilistic machine learning method, which formulates a class of stochastic neural networks by a stochastic optimal control problem.