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Cloud-assisted Cognitive Internet of Things has powerful data analytics abilities based on the computing and data storage capabilities of cloud virtual machines, which makes protecting virtual machine filesystem very important for the whole…

密码学与安全 · 计算机科学 2018-04-06 Dongyang Zhan , Lin Ye , Hongli Zhang , Binxing Fang , Huhua Li , Yang Liu , Xiaojiang Du , Mohsen Guizani

In this paper, we propose $\text{HF}^2$-VAD, a Hybrid framework that integrates Flow reconstruction and Frame prediction seamlessly to handle Video Anomaly Detection. Firstly, we design the network of ML-MemAE-SC (Multi-Level Memory modules…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Zhian Liu , Yongwei Nie , Chengjiang Long , Qing Zhang , Guiqing Li

Anomaly detection describes methods of finding abnormal states, instances or data points that differ from a normal value space. Industrial processes are a domain where predicitve models are needed for finding anomalous data instances for…

机器学习 · 计算机科学 2022-09-26 Alexander Zeiser , Bas van Stein , Thomas Bäck

Efficient defect detection in solar cell manufacturing is crucial for stable green energy technology manufacturing. This paper presents a deep-learning-based automatic detection model SeMaCNN for classification and semantic segmentation of…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Alexey Korovin , Artem Vasilyev , Fedor Egorov , Dmitry Saykin , Evgeny Terukov , Igor Shakhray , Leonid Zhukov , Semen Budennyy

Adversarial patch attacks pose a significant threat to the practical deployment of deep learning systems. However, existing research primarily focuses on image pre-processing defenses, which often result in reduced classification accuracy…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Nandish Chattopadhyay , Amira Guesmi , Muhammad Shafique

This thesis is part of a CIFRE agreement between the company Othello and the LIASD laboratory. The objective is to develop an artificial intelligence system that can detect real-time dangers in a video stream. To achieve this, a novel…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Fabien Poirier

Unsupervised anomaly detection methods can identify surface defects in industrial images by leveraging only normal samples for training. Due to the risk of overfitting when learning from a single class, anomaly synthesis strategies are…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Qiyu Chen , Huiyuan Luo , Han Gao , Chengkan Lv , Zhengtao Zhang

Smart manufacturing requires on-device intelligence that meets strict latency and energy budgets. HyperDimensional Computing (HDC) offers a lightweight alternative by encoding data as high-dimensional hypervectors and computing with simple…

机器学习 · 计算机科学 2025-10-01 Fardin Jalil Piran , Anandkumar Patel , Rajiv Malhotra , Farhad Imani

The Mahalanobis distance-based confidence score, a recently proposed anomaly detection method for pre-trained neural classifiers, achieves state-of-the-art performance on both out-of-distribution (OoD) and adversarial examples detection.…

机器学习 · 统计学 2020-05-01 Ryo Kamoi , Kei Kobayashi

We present the efficiency of semi-orthogonal embedding for unsupervised anomaly segmentation. The multi-scale features from pre-trained CNNs are recently used for the localized Mahalanobis distances with significant performance. However,…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Jin-Hwa Kim , Do-Hyeong Kim , Saehoon Yi , Taehoon Lee

Despite substantial progress in anomaly synthesis methods, existing diffusion-based and coarse inpainting pipelines commonly suffer from structural deficiencies such as micro-structural discontinuities, limited semantic controllability, and…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Long Qian , Bingke Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

In this technical report, we present our solution to the CVPR 2025 Visual Anomaly and Novelty Detection (VAND) 3.0 Workshop Challenge Track 1: Adapt & Detect: Robust Anomaly Detection in Real-World Applications. In real-world industrial…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Huaiyuan Zhang , Hang Chen , Yu Cheng , Shunyi Wu , Linghao Sun , Linao Han , Zeyu Shi , Lei Qi

Anomaly detection is critical for the secure and reliable operation of industrial control systems. As our reliance on such complex cyber-physical systems grows, it becomes paramount to have automated methods for detecting anomalies,…

机器学习 · 计算机科学 2024-05-10 Mayra Macas , Chunming Wu , Walter Fuertes

There have been significant advancements in anomaly detection in an unsupervised manner, where only normal images are available for training. Several recent methods aim to detect anomalies based on a memory, comparing or reconstructing the…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Joo Chan Lee , Taejune Kim , Eunbyung Park , Simon S. Woo , Jong Hwan Ko

Existing industrial anomaly detection methods mainly determine whether an anomaly is present. However, real-world applications also require discovering and classifying multiple anomaly types. Since industrial anomalies are semantically…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Botong Zhao , Qijun Shi , Shujing Lyu , Yue Lu

Image anomaly detection problems aim to determine whether an image is abnormal, and to detect anomalous areas. These methods are actively used in various fields such as manufacturing, medical care, and intelligent information.…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yunseung Lee , Pilsung Kang

In the context of the Industrial Internet of Things, communication technology, originally used in home and office environments, is introduced into industrial applications. Commercial off-the-shelf products, as well as unified and…

密码学与安全 · 计算机科学 2019-05-29 Simon Duque Anton , Suneetha Kanoor , Daniel Fraunholz , Hans Dieter Schotten

Industrial Anomaly Detection (IAD) is critical for quality control, but existing methods struggle with subtle, geometric defects. Standard 2D (RGB) images are sensitive to texture and lighting but often miss fine geometric anomalies. While…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Wenbing Zhu , Jianing Liang , Linjie Cheng , Yurui Pan , Zhuhao Chen , Qingwang Yan , Yudong Cheng , Jianghui Zhang , Mingmin Chi , Bo Peng

Anomaly detection has gained considerable attention due to its broad range of applications, particularly in industrial defect detection. To address the challenges of data collection, researchers have introduced zero-/few-shot anomaly…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Chaoqin Huang , Aofan Jiang , Ya Zhang , Yanfeng Wang

In this paper we propose MECAD, a novel approach for continual anomaly detection using a multi-expert architecture. Our system dynamically assigns experts to object classes based on feature similarity and employs efficient memory management…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Malihe Dahmardeh , Francesco Setti