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Due to the growing amount of data from in-situ sensors in wastewater systems, it becomes necessary to automatically identify abnormal behaviours and ensure high data quality. This paper proposes an anomaly detection method based on a deep…

信号处理 · 电气工程与系统科学 2020-03-09 Stefania Russo , Andy Disch , Frank Blumensaat , Kris Villez

Unsupervised anomaly detection models which are trained solely by healthy data, have gained importance in the recent years, as the annotation of medical data is a tedious task. Autoencoders and generative adversarial networks are the…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Marc Dietrichstein , David Major , Martin Trapp , Maria Wimmer , Dimitrios Lenis , Philip Winter , Astrid Berg , Theresa Neubauer , Katja Bühler

We address the problem of anomaly detection, that is, detecting anomalous events in a video sequence. Anomaly detection methods based on convolutional neural networks (CNNs) typically leverage proxy tasks, such as reconstructing input video…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Hyunjong Park , Jongyoun Noh , Bumsub Ham

Recently, 3D anomaly detection, a crucial problem involving fine-grained geometry discrimination, is getting more attention. However, the lack of abundant real 3D anomaly data limits the scalability of current models. To enable scalable…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Wenqiao Li , Xiaohao Xu , Yao Gu , Bozhong Zheng , Shenghua Gao , Yingna Wu

In this paper, we introduce a novel task termed unified anomaly detection and classification, which aims to simultaneously detect anomalous regions in images and identify their specific categories. Existing methods typically treat anomaly…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Ximiao Zhang , Min Xu , Zheng Zhang , Junlin Hu , Xiuzhuang Zhou

Anomaly detection in attributed networks has received a considerable attention in recent years due to its applications in a wide range of domains such as finance, network security, and medicine. Traditional approaches cannot be adopted on…

机器学习 · 计算机科学 2022-07-11 Venus Haghighi , Behnaz Soltani , Adnan Mahmood , Quan Z. Sheng , Jian Yang

Anomaly detection is crucial to the advanced identification of product defects such as incorrect parts, misaligned components, and damages in industrial manufacturing. Due to the rare observations and unknown types of defects, anomaly…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Jeeho Hyun , Sangyun Kim , Giyoung Jeon , Seung Hwan Kim , Kyunghoon Bae , Byung Jun Kang

The rapid advancement of machine learning technologies raises questions about the security of machine learning models, with respect to both training-time (poisoning) and test-time (evasion, impersonation, and inversion) attacks. Models…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Xinheng Xie , Kureha Yamaguchi , Margaux Leblanc , Simon Malzard , Varun Chhabra , Victoria Nockles , Yue Wu

Objective: Modelling the associations from high-throughput experimental molecular data has provided unprecedented insights into biological pathways and signalling mechanisms. Graphical models and networks have especially proven to be useful…

机器学习 · 统计学 2013-04-24 Marco Scutari , Radhakrishnan Nagarajan

Reconstruction-based approaches have achieved remarkable outcomes in anomaly detection. The exceptional image reconstruction capabilities of recently popular diffusion models have sparked research efforts to utilize them for enhanced…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Haoyang He , Jiangning Zhang , Hongxu Chen , Xuhai Chen , Zhishan Li , Xu Chen , Yabiao Wang , Chengjie Wang , Lei Xie

Image anomaly detection is a popular research direction, with many methods emerging in recent years due to rapid advancements in computing. The use of artificial intelligence for image anomaly detection has been widely studied. By analyzing…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Qianhui Wan , Zecheng Zhang , Liheng Jiang , Zhaoqi Wang , Yan Zhou

Industrial anomaly generation is a crucial method for alleviating the data scarcity problem in anomaly detection tasks. Most existing anomaly synthesis methods rely on single-step generation mechanisms, lacking complex reasoning and…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Jiaming Su , Tengchao Yang , Ruikang Zhang , Zhengan Yan , Haoyu Sun , Linfeng Zhang

The main difficulty in high-dimensional anomaly detection tasks is the lack of anomalous data for training. And simply collecting anomalous data from the real world, common distributions, or the boundary of normal data manifold may face the…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Songmin Dai , Jide Li , Lu Wang , Congcong Zhu , Yifan Wu , Xiaoqiang Li

Oversight in medical images is a crucial problem, and timely reporting of medical images is desired. Therefore, an all-purpose anomaly detection method that can detect virtually all types of lesions/diseases in a given image is strongly…

图像与视频处理 · 电气工程与系统科学 2020-10-21 H. Shibata , S. Hanaoka , Y. Nomura , T. Nakao , I. Sato , D. Sato , N. Hayashi , O. Abe

Anomaly detection tools and methods present a key capability in modern cyberphysical and failure prediction systems. Despite the fast-paced development in deep learning architectures for anomaly detection, model optimization for a given…

机器学习 · 计算机科学 2023-05-29 Marcin Pietron , Dominik Zurek , Kamil Faber , Roberto Corizzo

Anomaly detection tools and methods enable key analytical capabilities in modern cyberphysical and sensor-based systems. Despite the fast-paced development in deep learning architectures for anomaly detection, model optimization for a given…

神经与进化计算 · 计算机科学 2024-04-12 Marcin Pietroń , Dominik Żurek , Kamil Faber , Roberto Corizzo

Unsupervised Anomaly Detection has become a popular method to detect pathologies in medical images as it does not require supervision or labels for training. Most commonly, the anomaly detection model generates a "normal" version of an…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Felix Meissen , Johannes Paetzold , Georgios Kaissis , Daniel Rueckert

Early detection of illnesses and pest infestations in fruit cultivation is critical for maintaining yield quality and plant health. Computer vision and robotics are increasingly employed for the automatic detection of such issues,…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Ionut Marian Motoi , Valerio Belli , Alberto Carpineto , Daniele Nardi , Thomas Alessandro Ciarfuglia

Semiconductor manufacturing is an extremely complex process, characterized by thousands of interdependent parameters collected across diverse tools and process steps. Multi-variate time-series (MTS) analysis has emerged as a critical…

机器学习 · 计算机科学 2025-07-04 Bappaditya Dey , Daniel Sorensen , Minjin Hwang , Sandip Halder

Anomaly detection (AD) is a fundamental task in computer vision. It aims to identify incorrect image data patterns which deviate from the normal ones. Conventional methods generally address AD by preparing augmented negative samples to…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Jianjian Qin , Chunzhi Gu , Jun Yu , Chao Zhang