Rethinking Continual Anomaly Detection on the Edge: Benchmarking Under Realistic Industrial Conditions
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Abstract (arXiv)
Continual anomaly detection (CAD) addresses the need for industrial inspection systems to adapt to evolving production conditions, yet existing methods share three critical gaps: unrealistic evaluation, no systematic comparison, and no consideration of edge deployment constraints. We introduce a unified benchmark combining discrete-task evaluation on structural and logical anomalies, a novel continuous drift protocol, the first head-to-head comparison of all published CAD methods, and computational efficiency profiling on edge hardware. Our results reveal that existing CAD methods do not consistently outperform traditional approaches with simple experience replay. Thus motivated, we propose DINOSaur, a training-free method combining a frozen DINOv3 backbone with spatially-indexed coreset memory and neighborhood-restricted anomaly scoring. DINOSaur achieves zero forgetting by construction, outperforms all evaluated methods across all five protocols, and runs at sub-100,ms inference on an NVIDIA Jetson Orin Nano, with on-device adaptation to new tasks in under 30 seconds.
Key facts. No citing papers in the map yet (data through 14 Oct 2026). Builds on 30 of its 39 references that are in the map. First posted on arXiv 22 May 2026.
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30 of 39 references.
References · 30
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18 more
- 2020PANDA: Adapting Pretrained Features for Anomaly Detection and Segmentationcited by 175
- 2023AnomalyGPT: Detecting Industrial Anomalies Using Large Vision-Language Modelscited by 171
- 2023EfficientAD: Accurate Visual Anomaly Detection at Millisecond-Level Latenciescited by 160
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- 2024Toward Generalist Anomaly Detection via In-context Residual Learning with Few-shot Sample Promptscited by 89
- 2022TRGP: Trust Region Gradient Projection for Continual Learningcited by 82
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- 2024PaSTe: Improving the Efficiency of Visual Anomaly Detection at the Edgecited by 16
- 2024Unveiling the Anomalies in an Ever-Changing World: A Benchmark for Pixel-Level Anomaly Detection in Continual Learningcited by 13
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- 2025Memory Efficient Continual Learning for Edge-Based Visual Anomaly Detectioncited by 4
- 2025Continual-MEGA: A Large-scale Benchmark for Generalizable Continual Anomaly Detectioncited by 4
- 2025Towards Continual Visual Anomaly Detection in the Medical Domaincited by 3
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