Online Structured Laplace Approximations For Overcoming Catastrophic Forgetting
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Abstract (arXiv)
We introduce the Kronecker factored online Laplace approximation for overcoming catastrophic forgetting in neural networks. The method is grounded in a Bayesian online learning framework, where we recursively approximate the posterior after every task with a Gaussian, leading to a quadratic penalty on changes to the weights. The Laplace approximation requires calculating the Hessian around a mode, which is typically intractable for modern architectures. In order to make our method scalable, we leverage recent block-diagonal Kronecker factored approximations to the curvature. Our algorithm achieves over 90% test accuracy across a sequence of 50 instantiations of the permuted MNIST dataset, substantially outperforming related methods for overcoming catastrophic forgetting.
Key facts. Cited by 197 papers in the map (data through 7 Oct 2026). First posted on arXiv 20 May 2018.
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Citing papers per year: 2021: 37; 2022: 34; 2023: 36; 2024: 37; 2025: 35; 2026: 18.
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