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Sharing of telecommunication network data, for example, even at high aggregation levels, is nowadays highly restricted due to privacy legislation and regulations and other important ethical concerns. It leads to scattering data across…

机器学习 · 计算机科学 2022-05-18 Paula Raissa Silva , João Vinagre , João Gama

Classification algorithms have been widely adopted to detect anomalies for various systems, e.g., IoT, cloud and face recognition, under the common assumption that the data source is clean, i.e., features and labels are correctly set.…

机器学习 · 计算机科学 2021-03-22 Zilong Zhao , Robert Birke , Rui Han , Bogdan Robu , Sara Bouchenak , Sonia Ben Mokhtar , Lydia Y. Chen

Most enterprise applications use logging as a mechanism to diagnose anomalies, which could help with reducing system downtime. Anomaly detection using software execution logs has been explored in several prior studies, using both classical…

机器学习 · 计算机科学 2023-11-01 Nadun Wijesinghe , Hadi Hemmati

Modern software systems have become increasingly complex, which makes them difficult to test and validate. Detecting software partial anomalies in complex systems at runtime can assist with handling unintended software behaviors, avoiding…

软件工程 · 计算机科学 2022-04-27 Shiyi Kong , Jun Ai , Minyan Lu , Shuguang Wang , W. Eric Wong

Ever growing volume and velocity of data coupled with decreasing attention span of end users underscore the critical need for real-time analytics. In this regard, anomaly detection plays a key role as an application as well as a means to…

机器学习 · 统计学 2017-10-16 Dhruv Choudhary , Arun Kejariwal , Francois Orsini

This paper introduces a new methodology for detecting anomalies in time series data, with a primary application to monitoring the health of (micro-) services and cloud resources. The main novelty in our approach is that instead of modeling…

机器学习 · 计算机科学 2020-07-31 Fadhel Ayed , Lorenzo Stella , Tim Januschowski , Jan Gasthaus

Open-set supervised anomaly detection (OSAD) - a recently emerging anomaly detection area - aims at utilizing a few samples of anomaly classes seen during training to detect unseen anomalies (i.e., samples from open-set anomaly classes),…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jiawen Zhu , Choubo Ding , Yu Tian , Guansong Pang

Despite the success of deep learning on supervised point cloud semantic segmentation, obtaining large-scale point-by-point manual annotations is still a significant challenge. To reduce the huge annotation burden, we propose a Region-based…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Tsung-Han Wu , Yueh-Cheng Liu , Yu-Kai Huang , Hsin-Ying Lee , Hung-Ting Su , Ping-Chia Huang , Winston H. Hsu

This position paper envisions a next-generation elderly monitoring system that moves beyond fall detection toward the broader goal of Activities of Daily Living (ADL) recognition. Our ultimate aim is to design privacy-preserving,…

机器学习 · 计算机科学 2026-02-13 Xun Shao , Aoba Otani , Yuto Hirasuka , Runji Cai , Seng W. Loke

Most models for weakly supervised video anomaly detection (WS-VAD) rely on multiple instance learning, aiming to distinguish normal and abnormal snippets without specifying the type of anomaly. However, the ambiguous nature of anomaly…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Chenchen Tao , Xiaohao Peng , Chong Wang , Jiafei Wu , Puning Zhao , Jun Wang , Jiangbo Qian

Increasing the semantic understanding and contextual awareness of machine learning models is important for improving robustness and reducing susceptibility to data shifts. In this work, we leverage contextual awareness for the anomaly…

机器学习 · 计算机科学 2022-03-22 Nathan Vaska , Kevin Leahy , Victoria Helus

The remarkable flexibility and adaptability of both deep learning models and ensemble methods have led to the proliferation for their application in understanding many physical phenomena. Traditionally, these two techniques have largely…

机器学习 · 计算机科学 2021-12-08 Arnob Ray , Tanujit Chakraborty , Dibakar Ghosh

This study investigates the adoption and effectiveness of AI-based anomaly detection in cross-provider electronic health record (EHR) environments. It aims to (1) identify the organisational and digital capabilities required for successful…

计算机与社会 · 计算机科学 2026-04-14 Cao Tram Anh Hoang

Cybersecurity breaches in digital substations can pose significant challenges to the stability and reliability of power system operations. To address these challenges, defense and mitigation techniques are required. Identifying and…

密码学与安全 · 计算机科学 2024-06-11 Aydin Zaboli , Seong Lok Choi , Tai-Jin Song , Junho Hong

In today's digital world, the generation of vast amounts of streaming data in various domains has become ubiquitous. However, many of these data are unlabeled, making it challenging to identify events, particularly anomalies. This task…

机器学习 · 计算机科学 2026-02-16 Jin Li , Kleanthis Malialis , Christos G. Panayiotou , Marios M. Polycarpou

Ensuring the reliability and user satisfaction of cloud services necessitates prompt anomaly detection followed by diagnosis. Existing techniques for anomaly detection focus solely on real-time detection, meaning that anomaly alerts are…

软件工程 · 计算机科学 2023-08-16 Cheryl Lee , Tianyi Yang , Zhuangbin Chen , Yuxin Su , Michael R. Lyu

Audio-Visual Event Localization (AVEL) is the task of temporally localizing and classifying \emph{audio-visual events}, i.e., events simultaneously visible and audible in a video. In this paper, we solve AVEL in a weakly-supervised setting,…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Kalyan Ramakrishnan

Anomaly detection (AD) plays an important role in numerous applications. We focus on two understudied aspects of AD that are critical for integration into real-world applications. First, most AD methods cannot incorporate labeled data that…

机器学习 · 计算机科学 2023-06-06 Chun-Hao Chang , Jinsung Yoon , Sercan Arik , Madeleine Udell , Tomas Pfister

Unmanned aerial vehicles (UAVs) are widely applied for purposes of inspection, search, and rescue operations by the virtue of low-cost, large-coverage, real-time, and high-resolution data acquisition capacities. Massive volumes of aerial…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Pu Jin , Lichao Mou , Gui-Song Xia , Xiao Xiang Zhu

Open-world video anomaly detection (OWVAD) aims to detect and explain abnormal events under different anomaly definitions, which is important for applications such as intelligent surveillance and live-streaming content moderation. Recent…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Zihao Liu , Xiaoyu Wu , Wenna Li , Jianqin Wu , Linlin Yang
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