Combating representation learning disparity with geometric harmonization
Self-supervised learning (SSL) as an effective paradigm of representation learning has
achieved tremendous success on various curated datasets in diverse scenarios …
achieved tremendous success on various curated datasets in diverse scenarios …
Out-of-distribution detection in long-tailed recognition with calibrated outlier class learning
Existing out-of-distribution (OOD) methods have shown great success on balanced datasets
but become ineffective in long-tailed recognition (LTR) scenarios where 1) OOD samples …
but become ineffective in long-tailed recognition (LTR) scenarios where 1) OOD samples …
On harmonizing implicit subpopulations
Machine learning algorithms learned from data with skewed distributions usually suffer from
poor generalization, especially when minority classes matter as much as, or even more than …
poor generalization, especially when minority classes matter as much as, or even more than …
Locally Estimated Global Perturbations are Better than Local Perturbations for Federated Sharpness-aware Minimization
In federated learning (FL), the multi-step update and data heterogeneity among clients often
lead to a loss landscape with sharper minima, degenerating the performance of the resulted …
lead to a loss landscape with sharper minima, degenerating the performance of the resulted …
Orthogonal uncertainty representation of data manifold for robust long-tailed learning
In scenarios with long-tailed distributions, the model's ability to identify tail classes is limited
due to the under-representation of tail samples. Class rebalancing, information …
due to the under-representation of tail samples. Class rebalancing, information …
BEM: Balanced and Entropy-based Mix for Long-Tailed Semi-Supervised Learning
Data mixing methods play a crucial role in semi-supervised learning (SSL) but their
application is unexplored in long-tailed semi-supervised learning (LTSSL). The primary …
application is unexplored in long-tailed semi-supervised learning (LTSSL). The primary …
Twice class bias correction for imbalanced semi-supervised learning
Differing from traditional semi-supervised learning, class-imbalanced semi-supervised
learning presents two distinct challenges:(1) The imbalanced distribution of training samples …
learning presents two distinct challenges:(1) The imbalanced distribution of training samples …
Robust representation learning for unreliable partial label learning
Partial Label Learning (PLL) is a type of weakly supervised learning where each training
instance is assigned a set of candidate labels, but only one label is the ground-truth …
instance is assigned a set of candidate labels, but only one label is the ground-truth …
Wrapped cauchy distributed angular softmax for long-tailed visual recognition
B Han - International Conference on Machine Learning, 2023 - proceedings.mlr.press
Addressing imbalanced or long-tailed data is a major challenge in visual recognition tasks
due to disparities between training and testing distributions and issues with data noise. We …
due to disparities between training and testing distributions and issues with data noise. We …
Fake it till make it: Federated learning with consensus-oriented generation
In federated learning (FL), data heterogeneity is one key bottleneck that causes model
divergence and limits performance. Addressing this, existing methods often regard data …
divergence and limits performance. Addressing this, existing methods often regard data …