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Zhi-Chao Hou

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#machine learning Preprint Feb 2025

Boosting Adversarial Robustness and Generalization with Dictionary Structure

This work investigates a novel approach to boost adversarial robustness and generalization by incorporating structural prior into the design of deep learning models and proposes Elastic Dictionary Learning Networks (EDLNets), a novel ResNet architecture that significantly enhances adversarial robustness and generalizat...

Zhi-Chao Hou, Wei-Zhi Gao, Hamid Krim et al. · 1 citation

Harnessing Trust in Directed Graphs: Redefining Robustness of Graph Learning

Existing research on robust Graph Neural Networks (GNNs) focuses predominantly on undirected graphs, overlooking the trustworthiness inherent in the link directions of directed graphs. In this work, we analyze the limitations of current approaches from both the attack and defense perspectives and redefine the robustnes...

Zhi-Chao Hou, Xitong Zhang, Wei Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Towards One-for-All Robustness Across a Continuum of Threat Levels

The Threat Conditional Network (TCN) is proposed, grounded in a representation factorization framework that decomposes representation learning into a threat-invariant shared backbone and a lightweight threat-conditional adaptor, enabling flexible and seamless adaptation across an infinite continuum of threat levels dur...

Zhi-Chao Hou, Xiao-Rui Liu · 1 citation

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