activity
20242026
most citedFuseFL: One-Shot Federated Learning through the Lens of Causality with Progressive Model Fusion

3 citations · 5 across the 12 of their papers we have counts for

collaborators

15 papers

cs.LG2026

EvolveNet: Collaborative Harness Evolution for Agent Self-Improvement

Jun Nie, Yonggang Zhang, Qianshu Cai +3

An LLM agent can acquire persistent improvements by evolving its harness---the executable program governing model calls, tool use, verification, and recovery---without updating mod…

cs.CV2026

Generated Images Are Easier to Forget: A Machine Unlearning Perspective for Synthetic Image Detection

Jun Nie, Yonggang Zhang, Tongliang Liu +3

Robust detection of generated images is critical to counter the misuse of generative models. Existing methods primarily depend on learning from human-annotated training datasets, l…

cs.CL2026

Hidden Human-Like Nature of Machine-Generated Texts: Theory and Detection Enhancement

Chenwang Wu, Yiu-ming Cheung, Bo Han +1

Machine-generated texts (MGTs) produced by large language models (LLMs) are increasingly prevalent across various applications, while their potential misuse in fake news propagatio…

cs.CL2026

Multi-Level Contextual Token Relation Modeling for Machine-Generated Text Detection

Chenwang Wu, Yiuming Cheung, Bo Han +2

Machine-generated texts (MGTs) pose risks such as disinformation and phishing, underscoring the need for reliable detection. Metric-based methods, which extract statistically disti…

cs.CV2026

Adding Thermal Awareness to Visual Systems in Real-Time via Distilled Diffusion Models

Yuchen Guo, Junli Gong, Wenjun Dong +2

Purely RGB-based vision models often fail to provide reliable cues in challenging scenarios such as nighttime and fog, leading to degraded performance and safety risks. Infrared im…

cs.CL2026

Beyond Raw Detection Scores: Markov-Informed Calibration for Boosting Machine-Generated Text Detection

Chenwang Wu, Yiu-ming Cheung, Shuhai Zhang +2

While machine-generated texts (MGTs) offer great convenience, they also pose risks such as disinformation and phishing, highlighting the need for reliable detection. Metric-based m…

cs.CL2025

Advancing Machine-Generated Text Detection from an Easy to Hard Supervision Perspective

Chenwang Wu, Yiu-ming Cheung, Bo Han +1

Existing machine-generated text (MGT) detection methods implicitly assume labels as the "golden standard". However, we reveal boundary ambiguity in MGT detection, implying that tra…

cs.LG2025

FedGPS: Statistical Rectification Against Data Heterogeneity in Federated Learning

Zhiqin Yang, Yonggang Zhang, Chenxin Li +3

Federated Learning (FL) confronts a significant challenge known as data heterogeneity, which impairs model performance and convergence. Existing methods have made notable progress…

cs.CV2025

Semantic-guided Fine-tuning of Foundation Model for Long-tailed Visual Recognition

Yufei Peng, Yonggang Zhang, Yiu-ming Cheung

The variance in class-wise sample sizes within long-tailed scenarios often results in degraded performance in less frequent classes. Fortunately, foundation models, pre-trained on…

cs.CV2024

Epistemic Uncertainty for Generated Image Detection

Jun Nie, Yonggang Zhang, Tongliang Liu +3

We introduce a novel framework for AI-generated image detection through epistemic uncertainty, aiming to address critical security concerns in the era of generative models. Our key…

cs.CV2024★ 1 cited

GaussianMarker: Uncertainty-Aware Copyright Protection of 3D Gaussian Splatting

Xiufeng Huang, Ruiqi Li, Yiu-ming Cheung +3

3D Gaussian Splatting (3DGS) has become a crucial method for acquiring 3D assets. To protect the copyright of these assets, digital watermarking techniques can be applied to embed…

cs.LG2024★ 3 cited

FuseFL: One-Shot Federated Learning through the Lens of Causality with Progressive Model Fusion

Zhenheng Tang, Yonggang Zhang, Peijie Dong +4

One-shot Federated Learning (OFL) significantly reduces communication costs in FL by aggregating trained models only once. However, the performance of advanced OFL methods is far b…

cs.CL2024★ 1 cited

Interpreting and Improving Large Language Models in Arithmetic Calculation

Wei Zhang, Chaoqun Wan, Yonggang Zhang +4

Large language models (LLMs) have demonstrated remarkable potential across numerous applications and have shown an emergent ability to tackle complex reasoning tasks, such as mathe…

cs.AI2024

Ask, Attend, Attack: A Effective Decision-Based Black-Box Targeted Attack for Image-to-Text Models

Qingyuan Zeng, Zhenzhong Wang, Yiu-ming Cheung +1

While image-to-text models have demonstrated significant advancements in various vision-language tasks, they remain susceptible to adversarial attacks. Existing white-box attacks o…

cs.LG2024

MOKD: Cross-domain Finetuning for Few-shot Classification via Maximizing Optimized Kernel Dependence

Hongduan Tian, Feng Liu, Tongliang Liu +3

In cross-domain few-shot classification, \emph{nearest centroid classifier} (NCC) aims to learn representations to construct a metric space where few-shot classification can be per…