Author

Dong-Su Song

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Preprint Aug 2026

SegPAR: Class-Centric Decision-Based Sparse Attack for Semantic Segmentation

Despite the practical relevance of sparse decision-based black-box threats, they have received limited attention in semantic segmentation. To bridge this gap, we adapt the most representative decision-based black-box sparse attacks from the classification domain to serve as baselines, establishing a rigorous benchmark...

Dong-Su Song, Dae-Yoo Go, Boseung Seo et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Discovering Natural Transformation Vulnerabilities in Black-Box Vision Models

Natural adversarial examples (NAEs) reveal that vision models can fail under realistic semantic changes beyond norm-bounded perturbations. However, generating NAEs in a black-box setting remains challenging because existing generative attacks often rely on surrogate models, learned attack priors, or costly query-based...

Dong-Su Song, Dae-Yoo Go, J. Jung · 0 citations