Improving global generalization and local personalization for federated learning

L Meng, Z Qi, L Wu, X Du, Z Li, L Cui… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Federated learning aims to facilitate collaborative training among multiple clients with data
heterogeneity in a privacy-preserving manner, which either generates the generalized …

Cross-modal learning using privileged information for long-tailed image classification

X Li, Y Zheng, H Ma, Z Qi, X Meng, L Meng - Computational Visual Media, 2024 - Springer
The prevalence of long-tailed distributions in real-world data often results in classification
models favoring the dominant classes, neglecting the less frequent ones. Current …

Attentive modeling and distillation for out-of-distribution generalization of federated learning

Z Qi, W He, X Meng, L Meng - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
Out-of-distribution issues lead to different optimization directions between clients, which
weakens collaborative modeling in federated learning. Existing methods aims to decouple …

Modeling Event-level Causal Representation for Video Classification

Y Wang, L Meng, H Ma, Y Wang, H Huang… - Proceedings of the 32nd …, 2024 - dl.acm.org
Classifying videos differs from that of images in the need to capture the information on what
has happened, instead of what is in the frames. Conventional methods typically follow the …

Unifying Visual and Semantic Feature Spaces with Diffusion Models for Enhanced Cross-Modal Alignment

Y Zheng, Z Li, X Li, J Liu, Y Wang, X Meng… - … Conference on Artificial …, 2024 - Springer
Image classification models often demonstrate unstable performance in real-world
applications due to variations in image information, driven by differing visual perspectives of …

Causal inference for out‐of‐distribution recognition via sample balancing

Y Wang, X Li, Y Liu, X Cao, X Meng… - CAAI Transactions on …, 2024 - Wiley Online Library
Image classification algorithms are commonly based on the Independent and Identically
Distribution (iid) assumption, but in practice, the Out‐Of‐Distribution (OOD) problem widely …

Sequential selection and calibration of video frames for 3D outdoor scene reconstruction

W Sun, M Li, P Li, X Cao, X Meng… - CAAI Transactions on …, 2024 - Wiley Online Library
Abstract 3D scene understanding and reconstruction aims to obtain a concise scene
representation from images and reconstruct the complete scene, including the scene layout …

[PDF][PDF] Cross-Silo Feature Space Alignment for Federated Learning on Clients with Imbalanced Data

Z Qi, L Meng, Z Li, H Hu, X Meng - 2025 - openreview.net
Data imbalance across clients in federated learning often leads to different local feature
space partitions, harming the global model's generalization ability. Existing methods either …