activity
20242026
collaborators

7 papers

eess.AS2026

Transferable Adversarial Robustness for Speech Foundation Models via Hierarchical Stabilization

Aref Mousavi, Shahab Sherafat, Kiarash Kiani Feriz +4

Frozen speech foundation models (SFMs) make downstream adaptation efficient: the backbone can stay fixed while a task learns layer fusion and a lightweight classifier. Full adversa…

cs.LG2025

FrameShield: Adversarially Robust Video Anomaly Detection

Mojtaba Nafez, Mobina Poulaei, Nikan Vasei +3

Weakly Supervised Video Anomaly Detection (WSVAD) has achieved notable advancements, yet existing models remain vulnerable to adversarial attacks, limiting their reliability. Due t…

cs.CV2025

A Contrastive Teacher-Student Framework for Novelty Detection under Style Shifts

Hossein Mirzaei, Mojtaba Nafez, Moein Madadi +12

There have been several efforts to improve Novelty Detection (ND) performance. However, ND methods often suffer significant performance drops under minor distribution shifts caused…

cs.LG2025

Scanning Trojaned Models Using Out-of-Distribution Samples

Hossein Mirzaei, Ali Ansari, Bahar Dibaei Nia +10

Scanning for trojan (backdoor) in deep neural networks is crucial due to their significant real-world applications. There has been an increasing focus on developing effective gener…

cs.CV2025

Mitigating Spurious Negative Pairs for Robust Industrial Anomaly Detection

Hossein Mirzaei, Mojtaba Nafez, Jafar Habibi +2

Despite significant progress in Anomaly Detection (AD), the robustness of existing detection methods against adversarial attacks remains a challenge, compromising their reliability…

cs.LG2025

Killing it with Zero-Shot: Adversarially Robust Novelty Detection

Hossein Mirzaei, Mohammad Jafari, Hamid Reza Dehbashi +3

Novelty Detection (ND) plays a crucial role in machine learning by identifying new or unseen data during model inference. This capability is especially important for the safe and r…

cs.LG2024

Universal Novelty Detection Through Adaptive Contrastive Learning

Hossein Mirzaei, Mojtaba Nafez, Mohammad Jafari +5

Novelty detection is a critical task for deploying machine learning models in the open world. A crucial property of novelty detection methods is universality, which can be interpre…