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Author

A. Abdel-Naby

2 papers indexed here

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#small language model Conference Sep 2026

Region-Level Black-Box Defense Against Stealthy Embedding-Space Backdoors in CLIP

CLIPGuard is proposed, a lightweight and fully black-box defense specifically designed to mitigate embedding-space backdoors in CLIP encoders, consistently outperforming existing black-box defenses, including CleanCLIP and CleanerCLIP.

A. Abdel-Naby, Mohamed Elmahallawy · 1 citation
Preprint Sep 2026

Beyond Small Patches: Black-Box Detection and Purification of Diverse Backdoor Triggers

Deep neural networks (DNNs) are increasingly deployed in real-world vision systems, yet their predictions can be covertly manipulated by backdoor attacks, in which malicious triggers cause targeted misclassification while preserving high clean accuracy. Existing defenses often rely on model internals, training data, or...

A. Abdel-Naby, Mohamed Elmahallawy · 0 citations

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