Search Results for author: Steven Kleinegesse

Found 10 papers, 6 papers with code

Designing Optimal Behavioral Experiments Using Machine Learning

1 code implementation12 May 2023 Simon Valentin, Steven Kleinegesse, Neil R. Bramley, Peggy Seriès, Michael U. Gutmann, Christopher G. Lucas

As compared to experimental designs commonly used in the literature, we show that our optimal designs more efficiently determine which of a set of models best account for individual human behavior, and more efficiently characterize behavior given a preferred model.

Decision Making Experimental Design

Domain Knowledge in A*-Based Causal Discovery

no code implementations17 Aug 2022 Steven Kleinegesse, Andrew R. Lawrence, Hana Chockler

Causal discovery has become a vital tool for scientists and practitioners wanting to discover causal relationships from observational data.

Causal Discovery

Implicit Deep Adaptive Design: Policy-Based Experimental Design without Likelihoods

1 code implementation NeurIPS 2021 Desi R. Ivanova, Adam Foster, Steven Kleinegesse, Michael U. Gutmann, Tom Rainforth

We introduce implicit Deep Adaptive Design (iDAD), a new method for performing adaptive experiments in real-time with implicit models.

Experimental Design

Gradient-based Bayesian Experimental Design for Implicit Models using Mutual Information Lower Bounds

1 code implementation10 May 2021 Steven Kleinegesse, Michael U. Gutmann

We introduce a framework for Bayesian experimental design (BED) with implicit models, where the data-generating distribution is intractable but sampling from it is still possible.

Epidemiology Experimental Design

Sequential Bayesian Experimental Design for Implicit Models via Mutual Information

1 code implementation20 Mar 2020 Steven Kleinegesse, Christopher Drovandi, Michael U. Gutmann

We address this gap in the literature by devising a novel sequential design framework for parameter estimation that uses the Mutual Information (MI) between model parameters and simulated data as a utility function to find optimal experimental designs, which has not been done before for implicit models.

Bayesian Optimisation Decision Making +2

Efficient Bayesian Experimental Design for Implicit Models

1 code implementation23 Oct 2018 Steven Kleinegesse, Michael Gutmann

Bayesian experimental design involves the optimal allocation of resources in an experiment, with the aim of optimising cost and performance.

Bayesian Optimisation Experimental Design

Recognizing Emotions in Video Using Multimodal DNN Feature Fusion

no code implementations WS 2018 Jennifer Williams, Steven Kleinegesse, Ramona Comanescu, Oana Radu

We present our system description of input-level multimodal fusion of audio, video, and text for recognition of emotions and their intensities for the 2018 First Grand Challenge on Computational Modeling of Human Multimodal Language.

Emotion Recognition Machine Translation

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