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Xiujin Shi

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#federated learning Open access Oct 2026

RFLDefense: robust federated learning defense against targeted attacks

Federated learning (FL) is a distributed machine learning framework that protects data privacy by allowing multiple participants to jointly train models without sharing local data. However, the distributed nature of FL systems makes them susceptible to backdoor attacks, where attackers inject malicious updates to disru...

Xiu-Jin Shi, Jia-Wei Gong, Yong-Quan He · 0 citations
Aug 2026

HAFT: Hierarchical Audio-Enhanced Fusion Transformer for Efficient Multimodal Sentiment Analysis

HAFT routes audio–visual interaction through bottleneck tokens with adaptive depth-wise gating before integrating text, jointly reducing attention cost and counteracting modality bias; the Cascaded Audio Feature Enhancement (CAFE) framework strengthens prosodic representations via multi-scale time–frequency extraction;...

Qing Dong, Ting Lu, Xiujin Shi et al. · 0 citations

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