activity
20232026
most citedFedFed: Feature Distillation against Data Heterogeneity in Federated Learning

28 citations · 56 across the 18 of their papers we have counts for

collaborators

18 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.LG2026

DRNOISE: Benchmarking Deep Research Agents in Misleading Evidence Environments

Jun Nie, Zhiqin Yang, Zhenheng Tang +4

Deep research agents increasingly operate over the open web, where relevant records coexist with redundant summaries, outdated reports, and misleading documents. Existing evaluatio…

cs.SE2026

TTHE: Test-Time Harness Evolution

Jun Nie, Yonggang Zhang, Jun Song +5

The behavior of an LLM agent is determined not only by the underlying model, but also by its harness: the executable program that constructs context, invokes tools, verifies interm…

cs.LG2026

FedRG: Unleashing the Representation Geometry for Federated Learning with Noisy Clients

Tian Wen, Zhiqin Yang, Yonggang Zhang +4

Federated learning (FL) suffers from performance degradation due to the inevitable presence of noisy annotations in distributed scenarios. Existing approaches have advanced in dist…

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.CR2024

Revisiting Privacy-Utility Trade-off for DP Training with Pre-existing Knowledge

Yu Zheng, Wenchao Zhang, Yonggang Zhang +5

Differential privacy (DP) provides a provable framework for protecting individuals by customizing a random mechanism over a privacy-sensitive dataset. Deep learning models have dem…

cs.LG2024

On the Learnability of Out-of-distribution Detection

Zhen Fang, Yixuan Li, Feng Liu +2

Supervised learning aims to train a classifier under the assumption that training and test data are from the same distribution. To ease the above assumption, researchers have studi…

cs.CV2024★ 4 cited

Negative Label Guided OOD Detection with Pretrained Vision-Language Models

Xue Jiang, Feng Liu, Zhen Fang +4

Out-of-distribution (OOD) detection aims at identifying samples from unknown classes, playing a crucial role in trustworthy models against errors on unexpected inputs. Extensive re…

cs.LG2024★ 2 cited

FedImpro: Measuring and Improving Client Update in Federated Learning

Zhenheng Tang, Yonggang Zhang, Shaohuai Shi +4

Federated Learning (FL) models often experience client drift caused by heterogeneous data, where the distribution of data differs across clients. To address this issue, advanced re…

cs.CV2024

NoiseDiffusion: Correcting Noise for Image Interpolation with Diffusion Models beyond Spherical Linear Interpolation

PengFei Zheng, Yonggang Zhang, Zhen Fang +3

Image interpolation based on diffusion models is promising in creating fresh and interesting images. Advanced interpolation methods mainly focus on spherical linear interpolation,…

cs.LG2024

Enhancing One-Shot Federated Learning Through Data and Ensemble Co-Boosting

Rong Dai, Yonggang Zhang, Ang Li +3

One-shot Federated Learning (OFL) has become a promising learning paradigm, enabling the training of a global server model via a single communication round. In OFL, the server mode…

cs.LG2024★ 5 cited

Robust Training of Federated Models with Extremely Label Deficiency

Yonggang Zhang, Zhiqin Yang, Xinmei Tian +3

Federated semi-supervised learning (FSSL) has emerged as a powerful paradigm for collaboratively training machine learning models using distributed data with label deficiency. Adva…

cs.LG2023★ 8 cited

Learning to Augment Distributions for Out-of-Distribution Detection

Qizhou Wang, Zhen Fang, Yonggang Zhang +3

Open-world classification systems should discern out-of-distribution (OOD) data whose labels deviate from those of in-distribution (ID) cases, motivating recent studies in OOD dete…

cs.LG2023★ 6 cited

Out-of-distribution Detection Learning with Unreliable Out-of-distribution Sources

Haotian Zheng, Qizhou Wang, Zhen Fang +4

Out-of-distribution (OOD) detection discerns OOD data where the predictor cannot make valid predictions as in-distribution (ID) data, thereby increasing the reliability of open-wor…

cs.LG2023★ 1 cited

Federated Learning with Extremely Noisy Clients via Negative Distillation

Yang Lu, Lin Chen, Yonggang Zhang +4

Federated learning (FL) has shown remarkable success in cooperatively training deep models, while typically struggling with noisy labels. Advanced works propose to tackle label noi…

cs.LG2023★ 2 cited

SODA: Robust Training of Test-Time Data Adaptors

Zige Wang, Yonggang Zhang, Zhen Fang +3

Adapting models deployed to test distributions can mitigate the performance degradation caused by distribution shifts. However, privacy concerns may render model parameters inacces…

cs.LG2023★ 28 cited

FedFed: Feature Distillation against Data Heterogeneity in Federated Learning

Zhiqin Yang, Yonggang Zhang, Yu Zheng +4

Federated learning (FL) typically faces data heterogeneity, i.e., distribution shifting among clients. Sharing clients' information has shown great potentiality in mitigating data…