activity
20092023
most citedStructured Variable Selection with Sparsity-Inducing Norms

451 citations · 1.8k across the 39 of their papers we have counts for

collaborators

41 papers

cs.LG2023

Pi-DUAL: Using Privileged Information to Distinguish Clean from Noisy Labels

Ke Wang, Guillermo Ortiz-Jimenez, Rodolphe Jenatton +3

Label noise is a pervasive problem in deep learning that often compromises the generalization performance of trained models. Recently, leveraging privileged information (PI) -- inf…

cs.CV2023★ 4 cited

Three Towers: Flexible Contrastive Learning with Pretrained Image Models

Jannik Kossen, Mark Collier, Basil Mustafa +7

We introduce Three Towers (3T), a flexible method to improve the contrastive learning of vision-language models by incorporating pretrained image classifiers. While contrastive mod…

cs.LG2023

When does Privileged Information Explain Away Label Noise?

Guillermo Ortiz-Jimenez, Mark Collier, Anant Nawalgaria +4

Leveraging privileged information (PI), or features available during training but not at test time, has recently been shown to be an effective method for addressing label noise. Ho…

cs.CV2023★ 118 cited

Scaling Vision Transformers to 22 Billion Parameters

Mostafa Dehghani, Josip Djolonga, Basil Mustafa +39

The scaling of Transformers has driven breakthrough capabilities for language models. At present, the largest large language models (LLMs) contain upwards of 100B parameters. Visio…

cs.LG2023★ 1 cited

Massively Scaling Heteroscedastic Classifiers

Mark Collier, Rodolphe Jenatton, Basil Mustafa +3

Heteroscedastic classifiers, which learn a multivariate Gaussian distribution over prediction logits, have been shown to perform well on image classification problems with hundreds…

cs.LG2022★ 1 cited

On the Adversarial Robustness of Mixture of Experts

Joan Puigcerver, Rodolphe Jenatton, Carlos Riquelme +2

Adversarial robustness is a key desirable property of neural networks. It has been empirically shown to be affected by their sizes, with larger networks being typically more robust…

cs.LG2022★ 38 cited

Plex: Towards Reliability using Pretrained Large Model Extensions

Dustin Tran, Jeremiah Liu, Michael W. Dusenberry +23

A recent trend in artificial intelligence is the use of pretrained models for language and vision tasks, which have achieved extraordinary performance but also puzzling failures. P…

cs.CV2022★ 72 cited

Multimodal Contrastive Learning with LIMoE: the Language-Image Mixture of Experts

Basil Mustafa, Carlos Riquelme, Joan Puigcerver +2

Large sparsely-activated models have obtained excellent performance in multiple domains. However, such models are typically trained on a single modality at a time. We present the L…

cs.LG2022★ 2 cited

Transfer and Marginalize: Explaining Away Label Noise with Privileged Information

Mark Collier, Rodolphe Jenatton, Efi Kokiopoulou +1

Supervised learning datasets often have privileged information, in the form of features which are available at training time but are not available at test time e.g. the ID of the a…

cs.LG2021

Predicting the utility of search spaces for black-box optimization: a simple, budget-aware approach

Setareh Ariafar, Justin Gilmer, Zachary Nado +3

Black box optimization requires specifying a search space to explore for solutions, e.g. a d-dimensional compact space, and this choice is critical for getting the best results at…

cs.LG2021★ 1 cited

Sparse MoEs meet Efficient Ensembles

James Urquhart Allingham, Florian Wenzel, Zelda E Mariet +10

Machine learning models based on the aggregated outputs of submodels, either at the activation or prediction levels, often exhibit strong performance compared to individual models.…

stat.ML2021

Deep Classifiers with Label Noise Modeling and Distance Awareness

Vincent Fortuin, Mark Collier, Florian Wenzel +7

Uncertainty estimation in deep learning has recently emerged as a crucial area of interest to advance reliability and robustness in safety-critical applications. While there have b…

cs.CV2021★ 29 cited

Scaling Vision with Sparse Mixture of Experts

Carlos Riquelme, Joan Puigcerver, Basil Mustafa +5

Sparsely-gated Mixture of Experts networks (MoEs) have demonstrated excellent scalability in Natural Language Processing. In Computer Vision, however, almost all performant network…

cs.LG2021★ 5 cited

Uncertainty Baselines: Benchmarks for Uncertainty & Robustness in Deep Learning

Zachary Nado, Neil Band, Mark Collier +23

High-quality estimates of uncertainty and robustness are crucial for numerous real-world applications, especially for deep learning which underlies many deployed ML systems. The ab…

cs.LG2021

Correlated Input-Dependent Label Noise in Large-Scale Image Classification

Mark Collier, Basil Mustafa, Efi Kokiopoulou +2

Large scale image classification datasets often contain noisy labels. We take a principled probabilistic approach to modelling input-dependent, also known as heteroscedastic, label…

cs.LG2020

Amazon SageMaker Automatic Model Tuning: Scalable Gradient-Free Optimization

Valerio Perrone, Huibin Shen, Aida Zolic +12

Tuning complex machine learning systems is challenging. Machine learning typically requires to set hyperparameters, be it regularization, architecture, or optimization parameters,…

cs.LG2020★ 30 cited

Training independent subnetworks for robust prediction

Marton Havasi, Rodolphe Jenatton, Stanislav Fort +5

Recent approaches to efficiently ensemble neural networks have shown that strong robustness and uncertainty performance can be achieved with a negligible gain in parameters over th…

cs.LG2020★ 32 cited

Hyperparameter Ensembles for Robustness and Uncertainty Quantification

Florian Wenzel, Jasper Snoek, Dustin Tran +1

Ensembles over neural network weights trained from different random initialization, known as deep ensembles, achieve state-of-the-art accuracy and calibration. The recently introdu…

cs.LG2020★ 9 cited

On Mixup Regularization

Luigi Carratino, Moustapha Cissé, Rodolphe Jenatton +1

Mixup is a data augmentation technique that creates new examples as convex combinations of training points and labels. This simple technique has empirically shown to improve the ac…

cs.LG2020★ 22 cited

The k-tied Normal Distribution: A Compact Parameterization of Gaussian Mean Field Posteriors in Bayesian Neural Networks

Jakub Swiatkowski, Kevin Roth, Bastiaan S. Veeling +7

Variational Bayesian Inference is a popular methodology for approximating posterior distributions over Bayesian neural network weights. Recent work developing this class of methods…

stat.ML2020★ 33 cited

How Good is the Bayes Posterior in Deep Neural Networks Really?

Florian Wenzel, Kevin Roth, Bastiaan S. Veeling +7

During the past five years the Bayesian deep learning community has developed increasingly accurate and efficient approximate inference procedures that allow for Bayesian inference…

cs.LG2020★ 35 cited

Hydra: Preserving Ensemble Diversity for Model Distillation

Linh Tran, Bastiaan S. Veeling, Kevin Roth +7

Ensembles of models have been empirically shown to improve predictive performance and to yield robust measures of uncertainty. However, they are expensive in computation and memory…

stat.ML2019★ 16 cited

Constrained Bayesian Optimization with Max-Value Entropy Search

Valerio Perrone, Iaroslav Shcherbatyi, Rodolphe Jenatton +2

Bayesian optimization (BO) is a model-based approach to sequentially optimize expensive black-box functions, such as the validation error of a deep neural network with respect to i…

stat.ML2019★ 36 cited

Learning search spaces for Bayesian optimization: Another view of hyperparameter transfer learning

Valerio Perrone, Huibin Shen, Matthias Seeger +2

Bayesian optimization (BO) is a successful methodology to optimize black-box functions that are expensive to evaluate. While traditional methods optimize each black-box function in…