activity
20182026
most citedHierarchical Bilinear Pooling for Fine-Grained Visual Recognition

17 citations · 30 across the 9 of their papers we have counts for

collaborators

10 papers

cs.CV2026

WRF4CIR: Weight-Regularized Fine-Tuning Network for Composed Image Retrieval

Yizhuo Xu, Chaojian Yu, Yuanjie Shao +3

Composed Image Retrieval (CIR) task aims to retrieve target images based on reference images and modification texts. Current CIR methods primarily rely on fine-tuning vision-langua…

cs.CR2026

Adjustable Text-Guided Backdoor Attacks with Natural-Word Triggers on Multimodal Pretrained Models

Yiyang Zhang, Chaojian Yu, Ziming Hong +4

This paper presents Text-Guided Backdoor (TGB), an adjustable backdoor attack against multimodal pretrained models that uses natural-word triggers, namely words that can naturally…

cs.LG2024

Layer-Aware Analysis of Catastrophic Overfitting: Revealing the Pseudo-Robust Shortcut Dependency

Runqi Lin, Chaojian Yu, Bo Han +2

Catastrophic overfitting (CO) presents a significant challenge in single-step adversarial training (AT), manifesting as highly distorted deep neural networks (DNNs) that are vulner…

cs.LG2024★ 5 cited

Eliminating Catastrophic Overfitting Via Abnormal Adversarial Examples Regularization

Runqi Lin, Chaojian Yu, Tongliang Liu

Single-step adversarial training (SSAT) has demonstrated the potential to achieve both efficiency and robustness. However, SSAT suffers from catastrophic overfitting (CO), a phenom…

cs.LG2023★ 2 cited

On the Over-Memorization During Natural, Robust and Catastrophic Overfitting

Runqi Lin, Chaojian Yu, Bo Han +1

Overfitting negatively impacts the generalization ability of deep neural networks (DNNs) in both natural and adversarial training. Existing methods struggle to consistently address…

cs.LG2023

Understanding Robust Overfitting from the Feature Generalization Perspective

Chaojian Yu, Xiaolong Shi, Jun Yu +2

Adversarial training (AT) constructs robust neural networks by incorporating adversarial perturbations into natural data. However, it is plagued by the issue of robust overfitting…

cs.LG2022

Strength-Adaptive Adversarial Training

Chaojian Yu, Dawei Zhou, Li Shen +5

Adversarial training (AT) is proved to reliably improve network's robustness against adversarial data. However, current AT with a pre-specified perturbation budget has limitations…

cs.LG2022★ 6 cited

Understanding Robust Overfitting of Adversarial Training and Beyond

Chaojian Yu, Bo Han, Li Shen +4

Robust overfitting widely exists in adversarial training of deep networks. The exact underlying reasons for this are still not completely understood. Here, we explore the causes of…

cs.LG2022

Robust Weight Perturbation for Adversarial Training

Chaojian Yu, Bo Han, Mingming Gong +4

Overfitting widely exists in adversarial robust training of deep networks. An effective remedy is adversarial weight perturbation, which injects the worst-case weight perturbation…

cs.CV2018★ 17 cited

Hierarchical Bilinear Pooling for Fine-Grained Visual Recognition

Chaojian Yu, Xinyi Zhao, Qi Zheng +2

Fine-grained visual recognition is challenging because it highly relies on the modeling of various semantic parts and fine-grained feature learning. Bilinear pooling based models h…