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The proliferation of interconnected battlefield information-sharing devices, known as the Internet of Battlefield Things (IoBT), introduced several security challenges. Inherent to the IoBT operating environment is the practice of…

密码学与安全 · 计算机科学 2021-11-03 David A. Bierbrauer , Alexander Chang , Will Kritzer , Nathaniel D. Bastian

The increasing complexity of modern high-performance computing (HPC) systems necessitates the introduction of automated and data-driven methodologies to support system administrators' effort toward increasing the system's availability.…

机器学习 · 计算机科学 2022-08-30 Martin Molan , Andrea Borghesi , Daniele Cesarini , Luca Benini , Andrea Bartolini

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

Unsupervised anomaly detection is a promising technique for identifying unusual patterns in data without the need for labeled training examples. This approach is particularly valuable for early case detection in epidemic management,…

机器学习 · 计算机科学 2025-05-06 Ghazal Ghajari , Mithun Kumar PK , Fathi Amsaad

Time series are ubiquitous and occur naturally in a variety of applications -- from data recorded by sensors in manufacturing processes, over financial data streams to climate data. Different tasks arise, such as regression, classification…

机器学习 · 计算机科学 2024-09-17 Sebastian Wette , Florian Heinrichs

Robustness in AI systems refers to their ability to maintain reliable and accurate performance under various conditions, including out-of-distribution (OOD) samples, adversarial attacks, and environmental changes. This is crucial in…

人工智能 · 计算机科学 2025-10-15 Wissam Salhab , Darine Ameyed , Hamid Mcheick , Fehmi Jaafar

Time series anomaly detection is crucial for industrial monitoring services that handle a large volume of data, aiming to ensure reliability and optimize system performance. Existing methods often require extensive labeled resources and…

机器学习 · 计算机科学 2023-07-21 Manqing Dong , Zhanxiang Zhao , Yitong Geng , Wentao Li , Wei Wang , Huai Jiang

Despite rapid progress in the recent past, current speech recognition systems still require labeled training data which limits this technology to a small fraction of the languages spoken around the globe. This paper describes wav2vec-U,…

计算与语言 · 计算机科学 2022-05-04 Alexei Baevski , Wei-Ning Hsu , Alexis Conneau , Michael Auli

During the operation of industrial robots, unusual events may endanger the safety of humans and the quality of production. When collecting data to detect such cases, it is not ensured that data from all potentially occurring errors is…

机器人学 · 计算机科学 2023-11-09 Jan Thieß Brockmann , Marco Rudolph , Bodo Rosenhahn , Bastian Wandt

Recent advances in Vision-Language-Action (VLA) models have enabled robots to execute increasingly complex tasks. However, VLA models trained through imitation learning struggle to operate reliably in dynamic environments and often fail…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Shijie Zhou , Bin Zhu , Jiarui Yang , Xiangyu Zhao , Jingjing Chen , Yu-Gang Jiang

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

Anomaly detection plays a key role in industrial manufacturing for product quality control. Traditional methods for anomaly detection are rule-based with limited generalization ability. Recent methods based on supervised deep learning are…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Ning Li , Kaitao Jiang , Zhiheng Ma , Xing Wei , Xiaopeng Hong , Yihong Gong

Log anomaly detection (LAD) is essential to ensure safe and stable operation of software systems. Although current LAD methods exhibit significant potential in addressing challenges posed by unstable log events and temporal sequence…

软件工程 · 计算机科学 2024-10-23 Jiyu Tian , Mingchu Li , Zumin Wang , Liming Chen , Jing Qin , Runfa Zhang

Unsupervised anomalous sound detection aims to detect unknown anomalous sounds by training a model using only normal audio data. Despite advancements in self-supervised methods, the issue of frequent false alarms when handling samples of…

声音 · 计算机科学 2025-09-19 Shun Huang , Zhihua Fang , Liang He

With predictive models becoming prevalent, companies are expanding the types of data they gather. As a result, the collected datasets consist not only of simple numerical features but also more complex objects such as time series, images,…

机器学习 · 计算机科学 2025-07-01 Sebastian Chwilczyński , Dariusz Brzezinski

Training automatic speech recognition (ASR) systems requires large amounts of well-curated paired data. However, human annotators usually perform "non-verbatim" transcription, which can result in poorly trained models. In this paper, we…

音频与语音处理 · 电气工程与系统科学 2023-09-28 Dongji Gao , Hainan Xu , Desh Raj , Leibny Paola Garcia Perera , Daniel Povey , Sanjeev Khudanpur

As language models become more general purpose, increased attention needs to be paid to detecting out-of-distribution (OOD) instances, i.e., those not belonging to any of the distributions seen during training. Existing methods for…

机器学习 · 计算机科学 2024-07-19 Aryan Gulati , Xingjian Dong , Carlos Hurtado , Sarath Shekkizhar , Swabha Swayamdipta , Antonio Ortega

We investigate anomaly detection in an unsupervised framework and introduce Long Short Term Memory (LSTM) neural network based algorithms. In particular, given variable length data sequences, we first pass these sequences through our LSTM…

信号处理 · 电气工程与系统科学 2020-02-25 Tolga Ergen , Ali Hassan Mirza , Suleyman Serdar Kozat

Network troubleshooting is still a heavily human-intensive process. To reduce the time spent by human operators in the diagnosis process, we present a system based on (i) unsupervised learning methods for detecting anomalies in the time…

网络与互联网体系结构 · 计算机科学 2021-08-27 Jose M. Navarro , Alexis Huet , Dario Rossi

The integration of IoT devices in healthcare introduces significant security and reliability challenges, increasing susceptibility to cyber threats and operational anomalies. This study proposes a machine learning-driven framework for (1)…

机器学习 · 计算机科学 2025-11-06 Mahek Desai , Apoorva Rumale , Marjan Asadinia