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Valentin Pratz

2 accepted papers

2024

Consistency Models for Scalable and Fast Simulation-Based Inference

NeurIPS 2024poster

Simulation-based inference (SBI) is constantly in search of more expressive and efficient algorithms to accurately infer the parameters of complex simulation models. In line with this goal, we present consistency models for posterior estimation (CMPE), a new conditional sampler for SBI that inherits…

2023

Jana: Jointly amortized neural approximation of complex Bayesian models

UAI 2023poster

This work proposes “jointly amortized neural approximation” (JANA) of intractable likelihood functions and posterior densities arising in Bayesian surrogate modeling and simulation-based inference. We train three complementary networks in an end-to-end fashion: 1) a summary network to compress indiv…

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