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Mojtaba Nafez

5 accepted papers

2025

Adversarially Robust Anomaly Detection through Spurious Negative Pair Mitigation

ICLR 2025poster

Despite significant progress in Anomaly Detection (AD), the robustness of existing detection methods against adversarial attacks remains a challenge, compromising their reliability in critical real-world applications such as autonomous driving. This issue primarily arises from the AD setup, which as…

Cited by 0SourcePDFScholar
2025

FrameShield: Adversarially Robust Video Anomaly Detection

NeurIPS 2025poster

Weakly Supervised Video Anomaly Detection (WSVAD) has achieved notable advancements, yet existing models remain vulnerable to adversarial attacks, limiting their reliability. Due to the inherent constraints of weak supervision—where only video-level labels are provided despite the need for frame-lev…

Cited by 0SourcecodeScholar
2025

PatchGuard: Adversarially Robust Anomaly Detection and Localization through Vision Transformers and Pseudo Anomalies

CVPR 2025poster

Anomaly Detection (AD) and Anomaly Localization (AL) are crucial in fields that demand high reliability, such as medical imaging and industrial monitoring. However, current AD and AL approaches are often susceptible to adversarial attacks due to limitations in training data, which typically include…

Cited by 0SourcePDFScholar
2024

Scanning Trojaned Models Using Out-of-Distribution Samples

NeurIPS 2024poster

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 general trojan scanning methods across various trojan attacks. Despite advancements, there remains a shortage of methods that…

2024

Universal Novelty Detection Through Adaptive Contrastive Learning

CVPR 2024poster

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 interpreted as generalization across various distributions of training or test data. More precisely for novelty detection distrib…