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20162026
most citedInducing Neural Collapse in Imbalanced Learning: Do We Really Need a Learnable Classifier at the End of Deep Neural Network?

21 citations · 78 across the 16 of their papers we have counts for

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7 papers · 1 filter

cs.LG2024

Retraction-Free Decentralized Non-convex Optimization with Orthogonal Constraints

Youbang Sun, Shixiang Chen, Alfredo Garcia +1

In this paper, we investigate decentralized non-convex optimization with orthogonal constraints. Conventional algorithms for this setting require either manifold retractions or oth…

cs.LG2023★ 1 cited

FedLALR: Client-Specific Adaptive Learning Rates Achieve Linear Speedup for Non-IID Data

Hao Sun, Li Shen, Shixiang Chen +4

Federated learning is an emerging distributed machine learning method, enables a large number of clients to train a model without exchanging their local data. The time cost of comm…

cs.LG2023★ 7 cited

Dynamic Regularized Sharpness Aware Minimization in Federated Learning: Approaching Global Consistency and Smooth Landscape

Yan Sun, Li Shen, Shixiang Chen +2

In federated learning (FL), a cluster of local clients are chaired under the coordination of the global server and cooperatively train one model with privacy protection. Due to the…

cs.LG2023

AdaSAM: Boosting Sharpness-Aware Minimization with Adaptive Learning Rate and Momentum for Training Deep Neural Networks

Hao Sun, Li Shen, Qihuang Zhong +6

Sharpness aware minimization (SAM) optimizer has been extensively explored as it can generalize better for training deep neural networks via introducing extra perturbation steps to…

cs.LG2023★ 1 cited

OmniForce: On Human-Centered, Large Model Empowered and Cloud-Edge Collaborative AutoML System

Chao Xue, Wei Liu, Shuai Xie +25

Automated machine learning (AutoML) seeks to build ML models with minimal human effort. While considerable research has been conducted in the area of AutoML in general, aiming to t…

cs.LG2022★ 6 cited

Penalized Proximal Policy Optimization for Safe Reinforcement Learning

Linrui Zhang, Li Shen, Long Yang +4

Safe reinforcement learning aims to learn the optimal policy while satisfying safety constraints, which is essential in real-world applications. However, current algorithms still s…

cs.LG2022★ 21 cited

Inducing Neural Collapse in Imbalanced Learning: Do We Really Need a Learnable Classifier at the End of Deep Neural Network?

Yibo Yang, Shixiang Chen, Xiangtai Li +3

Modern deep neural networks for classification usually jointly learn a backbone for representation and a linear classifier to output the logit of each class. A recent study has sho…