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The detection of anomalies is essential mining task for the security and reliability in computer systems. Logs are a common and major data source for anomaly detection methods in almost every computer system. They collect a range of…

机器学习 · 计算机科学 2020-08-24 Sasho Nedelkoski , Jasmin Bogatinovski , Alexander Acker , Jorge Cardoso , Odej Kao

Table detection, a pivotal task in document analysis, aims to precisely recognize and locate tables within document images. Although deep learning has shown remarkable progress in this realm, it typically requires an extensive dataset of…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Iqraa Ehsan , Tahira Shehzadi , Didier Stricker , Muhammad Zeshan Afzal

Deep learning has solved a problem that as little as five years ago was thought by many to be intractable - the automatic recognition of patterns in data; and it can do so with accuracy that often surpasses human beings. It has solved…

The continued digitization of societal processes translates into a proliferation of time series data that cover applications such as fraud detection, intrusion detection, and energy management, where anomaly detection is often essential to…

Dynamic graph anomaly detection (DGAD) is critical for many real-world applications but remains challenging due to the scarcity of labeled anomalies. Existing methods are either unsupervised or semi-supervised: unsupervised methods avoid…

机器学习 · 计算机科学 2026-02-24 Yuxing Tian , Yiyan Qi , Fengran Mo , Weixu Zhang , Jian Guo , Jian-Yun Nie

Most of current anomaly detection models assume that the normal pattern remains same all the time. However, the normal patterns of Web services change dramatically and frequently. The model trained on old-distribution data is outdated after…

机器学习 · 计算机科学 2024-02-26 Feiyi Chen , Zhen Qin , Yingying Zhang , Shuiguang Deng , Yi Xiao , Guansong Pang , Qingsong Wen

Video Anomaly Detection (VAD) automates the identification of unusual events, such as security threats in surveillance videos. In real-world applications, VAD models must effectively operate in cross-domain settings, identifying rare…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

Determining the best method for training a machine learning algorithm is critical to maximizing its ability to classify data. In this paper, we compare the standard "fully supervised" approach (that relies on knowledge of event-by-event…

高能物理 - 唯象学 · 物理学 2018-03-29 Timothy Cohen , Marat Freytsis , Bryan Ostdiek

The growing complexity of Cyber-Physical Systems (CPS) and challenges in ensuring safety and security have led to the increasing use of deep learning methods for accurate and scalable anomaly detection. However, machine learning (ML) models…

机器学习 · 计算机科学 2022-05-04 Xugui Zhou , Maxfield Kouzel , Homa Alemzadeh

Recently, advances in machine learning techniques have attracted the attention of the research community to build intrusion detection systems (IDS) that can detect anomalies in the network traffic. Most of the research works, however, do…

密码学与安全 · 计算机科学 2018-12-14 Tara Salman , Deval Bhamare , Aiman Erbad , Raj Jain , Mohammed Samaka

How can "weak teacher models" such as average human annotators or existing AI systems, effectively supervise LLMs to improve performance on hard reasoning tasks, especially those that challenge and requires expertise or daily practice from…

机器学习 · 计算机科学 2025-02-26 Xuan He , Da Yin , Nanyun Peng

Several techniques for multivariate time series anomaly detection have been proposed recently, but a systematic comparison on a common set of datasets and metrics is lacking. This paper presents a systematic and comprehensive evaluation of…

机器学习 · 计算机科学 2021-09-24 Astha Garg , Wenyu Zhang , Jules Samaran , Savitha Ramasamy , Chuan-Sheng Foo

One-class classification has been a prevailing method in building deep anomaly detection models under the assumption that a dataset consisting of normal samples is available. In practice, however, abnormal samples are often mixed in a…

机器学习 · 计算机科学 2023-02-14 Minkyung Kim , Junsik Kim , Jongmin Yu , Jun Kyun Choi

Advancing Machine Learning (ML)-based perception models for autonomous systems necessitates addressing weak spots within the models, particularly in challenging Operational Design Domains (ODDs). These are environmental operating conditions…

机器学习 · 计算机科学 2024-09-02 Ahmed Hammam , Bharathwaj Krishnaswami Sreedhar , Nura Kawa , Tim Patzelt , Oliver De Candido

Machine learning (ML) is a promising approach for predicting small molecule properties in drug discovery. Here, we provide a comprehensive overview of various ML methods introduced for this purpose in recent years. We review a wide range of…

生物大分子 · 定量生物学 2023-08-25 Nikolai Schapin , Maciej Majewski , Alejandro Varela , Carlos Arroniz , Gianni De Fabritiis

State-of-the-art deep learning models are often trained with a large amount of costly labeled training data. However, requiring exhaustive manual annotations may degrade the model's generalizability in the limited-label regime.…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Yanbei Chen , Massimiliano Mancini , Xiatian Zhu , Zeynep Akata

Background: Mental stress and its consequent mental disorders (MDs) are significant public health issues. With the advent of machine learning (ML), there's potential to harness computational techniques for better understanding and…

Semi-supervised anomaly detection (AD) has shown great promise by effectively leveraging limited labeled data. However, existing methods are typically structured around scoring individual points or simple pairs. Such {point- or…

机器学习 · 计算机科学 2025-12-10 Jianling Gao , Chongyang Tao , Xuelian Lin , Junfeng Liu , Shuai Ma

Video anomaly detection (VAD) aims to discover behaviors or events deviating from the normality in videos. As a long-standing task in the field of computer vision, VAD has witnessed much good progress. In the era of deep learning, with the…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Peng Wu , Chengyu Pan , Yuting Yan , Guansong Pang , Peng Wang , Yanning Zhang

Active Learning (AL) and Semi-supervised Learning are two techniques that have been studied to reduce the high cost of deep learning by using a small amount of labeled data and a large amount of unlabeled data. To improve the accuracy of…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Jaeseung Lim , Jongkeun Na , Nojun Kwak