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On Feynman--Kac training of partial Bayesian neural networks
Feb. 23, 2024, 5:43 a.m. | Zheng Zhao, Sebastian Mair, Thomas B. Sch\"on, Jens Sj\"olund
cs.LG updates on arXiv.org arxiv.org
Abstract: Recently, partial Bayesian neural networks (pBNNs), which only consider a subset of the parameters to be stochastic, were shown to perform competitively with full Bayesian neural networks. However, pBNNs are often multi-modal in the latent variable space and thus challenging to approximate with parametric models. To address this problem, we propose an efficient sampling-based training strategy, wherein the training of a pBNN is formulated as simulating a Feynman--Kac model. We then describe variations of sequential …
abstract arxiv bayesian cs.lg feynman modal multi-modal networks neural networks parameters parametric space stat.ml stochastic training type
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