Search Results for author: Benjamin Kurt Miller

Found 10 papers, 9 papers with code

Simulation-based Inference with the Generalized Kullback-Leibler Divergence

no code implementations3 Oct 2023 Benjamin Kurt Miller, Marco Federici, Christoph Weniger, Patrick Forré

The objective recovers Neural Posterior Estimation when the model class is normalized and unifies it with Neural Ratio Estimation, combining both into a single objective.

Balancing Simulation-based Inference for Conservative Posteriors

1 code implementation21 Apr 2023 Arnaud Delaunoy, Benjamin Kurt Miller, Patrick Forré, Christoph Weniger, Gilles Louppe

We show empirically that the balanced versions tend to produce conservative posterior approximations on a wide variety of benchmarks.

Contrastive Neural Ratio Estimation

1 code implementation11 Oct 2022 Benjamin Kurt Miller, Christoph Weniger, Patrick Forré

Likelihood-to-evidence ratio estimation is usually cast as either a binary (NRE-A) or a multiclass (NRE-B) classification task.

Binary Classification

Generative Coarse-Graining of Molecular Conformations

1 code implementation28 Jan 2022 Wujie Wang, Minkai Xu, Chen Cai, Benjamin Kurt Miller, Tess Smidt, Yusu Wang, Jian Tang, Rafael Gómez-Bombarelli

Coarse-graining (CG) of molecular simulations simplifies the particle representation by grouping selected atoms into pseudo-beads and drastically accelerates simulation.

Automatically detecting anomalous exoplanet transits

1 code implementation16 Nov 2021 Christoph J. Hönes, Benjamin Kurt Miller, Ana M. Heras, Bernard H. Foing

Raw light curve data from exoplanet transits is too complex to naively apply traditional outlier detection methods.

Outlier Detection

Fast and Credible Likelihood-Free Cosmology with Truncated Marginal Neural Ratio Estimation

4 code implementations15 Nov 2021 Alex Cole, Benjamin Kurt Miller, Samuel J. Witte, Maxwell X. Cai, Meiert W. Grootes, Francesco Nattino, Christoph Weniger

Sampling-based inference techniques are central to modern cosmological data analysis; these methods, however, scale poorly with dimensionality and typically require approximate or intractable likelihoods.

Truncated Marginal Neural Ratio Estimation

2 code implementations NeurIPS 2021 Benjamin Kurt Miller, Alex Cole, Patrick Forré, Gilles Louppe, Christoph Weniger

Parametric stochastic simulators are ubiquitous in science, often featuring high-dimensional input parameters and/or an intractable likelihood.

Simulation-efficient marginal posterior estimation with swyft: stop wasting your precious time

1 code implementation27 Nov 2020 Benjamin Kurt Miller, Alex Cole, Gilles Louppe, Christoph Weniger

We present algorithms (a) for nested neural likelihood-to-evidence ratio estimation, and (b) for simulation reuse via an inhomogeneous Poisson point process cache of parameters and corresponding simulations.

Astronomy Bayesian Inference

Relevance of Rotationally Equivariant Convolutions for Predicting Molecular Properties

1 code implementation19 Aug 2020 Benjamin Kurt Miller, Mario Geiger, Tess E. Smidt, Frank Noé

Equivariant neural networks (ENNs) are graph neural networks embedded in $\mathbb{R}^3$ and are well suited for predicting molecular properties.

Molecular Property Prediction Property Prediction

Finding Symmetry Breaking Order Parameters with Euclidean Neural Networks

1 code implementation4 Jul 2020 Tess E. Smidt, Mario Geiger, Benjamin Kurt Miller

Curie's principle states that "when effects show certain asymmetry, this asymmetry must be found in the causes that gave rise to them".

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