Showing cs.CVShow all
3 papers · 1 filter
cs.CV2026
Label Less, Learn More: Resource-Efficient Active Semi-Supervised Learning for Onboard Satellite Image Annotation
Ahmed Abdelnaby, Mohamed Elmahallawy, Marius Bernahrndt +1
Large-scale pervasive sensing increasingly relies on high-resolution satellite imagery, yet task-specific onboard vision is constrained by costly annotation and limited computation…
cs.CV2026
Region-Level Black-Box Defense Against Stealthy Embedding-Space Backdoors in CLIP
Ahmed Abdelnaby, Mohamed Elmahallawy
Contrastive Language--Image Pretraining (CLIP) has emerged as a dominant vision backbone due to its strong transferability and zero-shot capabilities. However, recent studies revea…
cs.CV2026
Beyond Small Patches: Black-Box Detection and Purification of Diverse Backdoor Triggers
Ahmed Abdelnaby, Mohamed Elmahallawy
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 trigge…