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相关论文: Semi-supervised Anomaly Detection via Adaptive Rei…

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High false-positive rate is a long-standing challenge for anomaly detection algorithms, especially in high-stake applications. To identify the true anomalies, in practice, analysts or domain experts will be employed to investigate the top…

机器学习 · 计算机科学 2020-09-17 Daochen Zha , Kwei-Herng Lai , Mingyang Wan , Xia Hu

Neural network-based anomaly detection methods have shown to achieve high performance. However, they require a large amount of training data for each task. We propose a neural network-based meta-learning method for supervised anomaly…

机器学习 · 统计学 2021-03-02 Tomoharu Iwata , Atsutoshi Kumagai

Anomaly detection (AD), separating anomalies from normal data, has many applications across domains, from security to healthcare. While most previous works were shown to be effective for cases with fully or partially labeled data, that…

机器学习 · 计算机科学 2022-08-08 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Chen-Yu Lee , Tomas Pfister

Online unsupervised detection of anomalies is crucial to guarantee the correct operation of cyber-physical systems and the safety of humans interacting with them. State-of-the-art approaches based on deep learning via neural networks…

机器学习 · 计算机科学 2024-07-30 Daniele Meli

Responding to the challenge of detecting unusual radar targets in a well identified environment, innovative anomaly and novelty detection methods keep emerging in the literature. This work aims at presenting a benchmark gathering common and…

信号处理 · 电气工程与系统科学 2021-06-22 Martin Bauw , Santiago Velasco-Forero , Jesus Angulo , Claude Adnet , Olivier Airiau

Efficient anomaly detection and diagnosis in multivariate time-series data is of great importance for modern industrial applications. However, building a system that is able to quickly and accurately pinpoint anomalous observations is a…

机器学习 · 计算机科学 2022-05-17 Shreshth Tuli , Giuliano Casale , Nicholas R. Jennings

Anomaly detection (AD) is a critical task across domains such as cybersecurity and healthcare. In the unsupervised setting, an effective and theoretically-grounded principle is to train classifiers to distinguish normal data from…

机器学习 · 统计学 2025-06-18 Matthew Lau , Tian-Yi Zhou , Xiangchi Yuan , Jizhou Chen , Wenke Lee , Xiaoming Huo

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

Nowadays, as AI-driven manufacturing becomes increasingly popular, the volume of data streams requiring real-time monitoring continues to grow. However, due to limited resources, it is impractical to place sensors at every location to…

人工智能 · 计算机科学 2025-07-15 Xiaofeng Xiao , Bo Shen , Xubo Yue

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

机器学习 · 计算机科学 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

Unsupervised anomaly detection (AD) is critical for a wide range of practical applications, from network security to health and medical tools. Due to the diversity of problems, no single algorithm has been found to be superior for all AD…

机器学习 · 计算机科学 2023-05-18 Małgorzata Gutowska , Suzanne Little , Andrew McCarren

Anomaly detection is important in many real-life applications. Recently, self-supervised learning has greatly helped deep anomaly detection by recognizing several geometric transformations. However these methods lack finer features, usually…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Loic Jezequel , Ngoc-Son Vu , Jean Beaudet , Aymeric Histace

We develop a self-supervised method for density-based anomaly detection using contrastive learning, and test it using event-level anomaly data from CMS ADC2021. The AnomalyCLR technique is data-driven and uses augmentations of the…

高能物理 - 唯象学 · 物理学 2024-10-29 Barry M. Dillon , Luigi Favaro , Friedrich Feiden , Tanmoy Modak , Tilman Plehn

Deep learning-based 3D anomaly detection methods have demonstrated significant potential in industrial manufacturing. However, many approaches are specifically designed for anomaly detection tasks, which limits their generalizability to…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Yaohua Zha , Xue Yuerong , Chunlin Fan , Yuansong Wang , Tao Dai , Ke Chen , Shu-Tao Xia

Unsupervised anomaly detection is a daunting task, as it relies solely on normality patterns from the training data to identify unseen anomalies during testing. Recent approaches have focused on leveraging domain-specific transformations or…

机器学习 · 计算机科学 2024-09-17 Hyuntae Kim , Changhee Lee

Most classification algorithms used in high energy physics fall under the category of supervised machine learning. Such methods require a training set containing both signal and background events and are prone to classification errors…

数据分析、统计与概率 · 物理学 2015-06-03 Mikael Kuusela , Tommi Vatanen , Eric Malmi , Tapani Raiko , Timo Aaltonen , Yoshikazu Nagai

A significant limitation of one-class classification anomaly detection methods is their reliance on the assumption that unlabeled training data only contains normal instances. To overcome this impractical assumption, we propose two novel…

机器学习 · 计算机科学 2023-09-04 Le Thi Khanh Hien , Sukanya Patra , Souhaib Ben Taieb

While the mainstream research in anomaly detection has mainly followed the one-class classification, practical industrial environments often incur noisy training data due to annotation errors or lack of labels for new or refurbished…

机器学习 · 计算机科学 2024-11-26 Jiin Im , Yongho Son , Je Hyeong Hong

Anomaly detection aims to distinguish abnormal instances that deviate significantly from the majority of benign ones. As instances that appear in the real world are naturally connected and can be represented with graphs, graph neural…

Anomaly detection (AD) is essential in identifying rare and often critical events in complex systems, finding applications in fields such as network intrusion detection, financial fraud detection, and fault detection in infrastructure and…

机器学习 · 计算机科学 2024-06-12 Hao Dong , Gaëtan Frusque , Yue Zhao , Eleni Chatzi , Olga Fink