Designing perceptual puzzles by differentiating probabilistic programs

K Chandra, TM Li, J Tenenbaum… - ACM SIGGRAPH 2022 …, 2022 - dl.acm.org
We design new visual illusions by finding “adversarial examples” for principled models of
human perception—specifically, for probabilistic models, which treat vision as Bayesian …

A topic modeling and image classification framework: The Generalized Dirichlet variational autoencoder

AO Ojo, N Bouguila - Pattern Recognition, 2024 - Elsevier
Latent Dirichlet allocation model (LDA) has been widely used in topic modeling. Recent
works have shown the effectiveness of integrating neural network mechanisms with this …

Differentiating Metropolis-Hastings to optimize intractable densities

G Arya, R Seyer, F Schäfer, K Chandra, AK Lew… - arXiv preprint arXiv …, 2023 - arxiv.org
We develop an algorithm for automatic differentiation of Metropolis-Hastings samplers,
allowing us to differentiate through probabilistic inference, even if the model has discrete …

EigenVI: score-based variational inference with orthogonal function expansions

D Cai, C Modi, CC Margossian, RM Gower… - arXiv preprint arXiv …, 2024 - arxiv.org
We develop EigenVI, an eigenvalue-based approach for black-box variational inference
(BBVI). EigenVI constructs its variational approximations from orthogonal function …

Differentiable Monte Carlo samplers with piecewise deterministic Markov processes

R Seyer - 2023 - odr.chalmers.se
Sammanfattning Gradient estimation by Monte Carlo methods, to eg find optimization
directions, is an important component of many problems in statistics and machine learning …

Differentiable gated autoencoders for unsupervised feature selection

Z Chen, J Bian, B Qiao, X Xie - Neurocomputing, 2024 - Elsevier
Unsupervised feature selection (UFS) aims to identify a subset of the most informative
features from high-dimensional data without labels. However, most existing UFS methods …

A Fast, Robust Elliptical Slice Sampling Implementation for Linearly Truncated Multivariate Normal Distributions

K Wu, JR Gardner - arXiv preprint arXiv:2407.10449, 2024 - arxiv.org
Elliptical slice sampling, when adapted to linearly truncated multivariate normal distributions,
is a rejection-free Markov chain Monte Carlo method. At its core, it requires analytically …

Scene Perception for Simulated Intuitive Physics via Bayesian Inverse Graphics

KK Shehada - 2023 - dspace.mit.edu
Humans have a wide range of cognitive capacities that make us adept at interpreting our
physical world. Every day, we encounter new environments, yet we can parse those …

Probabilistic Inference When the Model Is Wrong

D Cai - 2023 - search.proquest.com
By simplifying complex real-world phenomena, probabilistic methods have proven able to
accelerate applications in discovery and design. However, classical theory often evaluates …

Contributions to posterior learning for likelihood-free Bayesian inference

M MOUGEOT, F SEPTIER, JY TOURNERET… - theses.hal.science
L'inférence bayésienne a posteriori est une méthodologie générale qui, une fois la valeur
d'une observation Y donnée, permet de découvrir les valeurs probables prises par une …