Search Results for author: Tianqi Du

Found 3 papers, 2 papers with code

ContraNorm: A Contrastive Learning Perspective on Oversmoothing and Beyond

2 code implementations12 Mar 2023 Xiaojun Guo, Yifei Wang, Tianqi Du, Yisen Wang

Instead of characterizing oversmoothing from the view of complete collapse in which representations converge to a single point, we dive into a more general perspective of dimensional collapse in which representations lie in a narrow cone.

Contrastive Learning

A Message Passing Perspective on Learning Dynamics of Contrastive Learning

1 code implementation8 Mar 2023 Yifei Wang, Qi Zhang, Tianqi Du, Jiansheng Yang, Zhouchen Lin, Yisen Wang

In recent years, contrastive learning achieves impressive results on self-supervised visual representation learning, but there still lacks a rigorous understanding of its learning dynamics.

Contrastive Learning Graph Attention +1

ArCL: Enhancing Contrastive Learning with Augmentation-Robust Representations

no code implementations2 Mar 2023 Xuyang Zhao, Tianqi Du, Yisen Wang, Jun Yao, Weiran Huang

Moreover, we show that contrastive learning fails to learn domain-invariant features, which limits its transferability.

Contrastive Learning Data Augmentation +1

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