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The purpose of multimodal industrial anomaly detection is to detect complex geometric shape defects such as subtle surface deformations and irregular contours that are difficult to detect in 2D-based methods. However, current multimodal…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Min Li , Jinghui He , Gang Li , Jiachen Li , Jin Wan , Delong Han

Detecting whether examples belong to a given in-distribution or are Out-Of-Distribution (OOD) requires identifying features specific to the in-distribution. In the absence of labels, these features can be learned by self-supervised…

人工智能 · 计算机科学 2022-01-19 Nima Rafiee , Rahil Gholamipoorfard , Nikolas Adaloglou , Simon Jaxy , Julius Ramakers , Markus Kollmann

Understanding the surrounding environment is fundamental in autonomous driving and robotic perception. Distinguishing between known classes and previously unseen objects is crucial in real-world environments, as done in Anomaly…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Simone Mosco , Daniel Fusaro , Alberto Pretto

Anomaly detection (AD) is the machine learning task of identifying highly discrepant abnormal samples by solely relying on the consistency of the normal training samples. Under the constraints of a distribution shift, the assumption that…

机器学习 · 计算机科学 2023-12-25 João B. S. Carvalho , Mengtao Zhang , Robin Geyer , Carlos Cotrini , Joachim M. Buhmann

Anomaly detection (AD) aims to identify defects using normal-only training data. Existing anomaly detection benchmarks (e.g., MVTec-AD with 15 categories) cover only a narrow range of categories, limiting the evaluation of cross-context…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Hai Ling , Jia Guo , Zhulin Tao , Yunkang Cao , Donglin Di , Hongyan Xu , Xiu Su , Yang Song , Lei Fan

Semantic understanding of 3D point cloud relies on learning models with massively annotated data, which, in many cases, are expensive or difficult to collect. This has led to an emerging research interest in semi-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Xian Shi , Xun Xu , Wanyue Zhang , Xiatian Zhu , Chuan Sheng Foo , Kui Jia

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

Unsupervised Anomaly detection (AD) requires building a notion of normalcy, distinguishing in-distribution (ID) and out-of-distribution (OOD) data, using only available ID samples. Recently, large gains were made on this task for the domain…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Mohamed Yousef , Marcel Ackermann , Unmesh Kurup , Tom Bishop

Anomaly detection is concerned with identifying data patterns that deviate remarkably from the expected behaviour. This is an important research problem, due to its broad set of application domains, from data analysis to e-health,…

机器学习 · 计算机科学 2021-08-23 L. Erhan , M. Ndubuaku , M. Di Mauro , W. Song , M. Chen , G. Fortino , O. Bagdasar , A. Liotta

Existing industrial anomaly detection methods primarily concentrate on unsupervised learning with pristine RGB images. Yet, both RGB and 3D data are crucial for anomaly detection, and the datasets are seldom completely clean in practical…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Chengjie Wang , Haokun Zhu , Jinlong Peng , Yue Wang , Ran Yi , Yunsheng Wu , Lizhuang Ma , Jiangning Zhang

Recent studies give more attention to the anomaly detection (AD) methods that can leverage a handful of labeled anomalies along with abundant unlabeled data. These existing anomaly-informed AD methods rely on manually predefined score…

机器学习 · 计算机科学 2023-06-27 Minqi Jiang , Songqiao Han , Hailiang Huang

Anomaly detection is a challenging task that frequently arises in practically all areas of industry and science, from fraud detection and data quality monitoring to finding rare cases of diseases and searching for new physics. Most of the…

机器学习 · 计算机科学 2021-11-22 Artem Ryzhikov , Maxim Borisyak , Andrey Ustyuzhanin , Denis Derkach

Anomaly detection (AD) has been recently employed in the context of edge cloud computing, e.g., for intrusion detection and identification of performance issues. However, state-of-the-art anomaly detection procedures do not systematically…

网络与互联网体系结构 · 计算机科学 2024-01-17 Sotiris Skaperas , George Koukis , Ioanna Angeliki Kapetanidou , Vassilis Tsaoussidis , Lefteris Mamatas

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

Anomaly detection suffered from the lack of anomalies due to the diversity of abnormalities and the difficulties of obtaining large-scale anomaly data. Semi-supervised anomaly detection methods are often used to solely leverage normal data…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Jian Shi , Ni Zhang

Anomaly detection aims to recognize samples with anomalous and unusual patterns with respect to a set of normal data. This is significant for numerous domain applications, such as industrial inspection, medical imaging, and security…

机器学习 · 计算机科学 2020-03-30 Shuo Wang , Tianle Chen , Shangyu Chen , Carsten Rudolph , Surya Nepal , Marthie Grobler

3D anomaly detection (AD) is a crucial task in computer vision, aiming to identify anomalous points or regions from point cloud data. However, existing methods may encounter challenges when handling point clouds with changes in orientation…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Hanzhe Liang , Jie Zhou , Can Gao , Bingyang Guo , Jinbao Wang , Linlin Shen

The ongoing challenges in time series anomaly detection (TSAD), notably the scarcity of anomaly labels and the variability in anomaly lengths and shapes, have led to the need for a more efficient solution. As limited anomaly labels hinder…

机器学习 · 计算机科学 2023-11-28 Yuting Sun , Guansong Pang , Guanhua Ye , Tong Chen , Xia Hu , Hongzhi Yin

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

RGB-based surface anomaly detection methods have advanced significantly. However, certain surface anomalies remain practically invisible in RGB alone, necessitating the incorporation of 3D information. Existing approaches that employ…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Vitjan Zavrtanik , Matej Kristan , Danijel Skočaj