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In recent years, the wood product industry has been facing a skilled labor shortage. The result is more frequent sudden failures, resulting in additional costs for these companies already operating in a very competitive market. Moreover,…

声音 · 计算机科学 2025-01-10 Anthony Deschênes , Rémi Georges , Cem Subakan , Bruna Ugulino , Antoine Henry , Michael Morin

Nowadays, there are outstanding strides towards a future with autonomous vehicles on our roads. While the perception of autonomous vehicles performs well under closed-set conditions, they still struggle to handle the unexpected. This survey…

机器人学 · 计算机科学 2025-11-25 Daniel Bogdoll , Maximilian Nitsche , J. Marius Zöllner

Anomaly detection (AD) is a fast growing and popular domain among established applications like vision and time series. We observe a rich literature for these applications, but anomaly detection in text is only starting to blossom.…

计算与语言 · 计算机科学 2024-09-19 Jeremie Pantin , Christophe Marsala

Automated anomaly detection is essential for managing information and communications technology (ICT) systems to maintain reliable services with minimum burden on operators. For detecting varying and continually emerging anomalies as…

Time series anomaly detection is important in modern large-scale systems and is applied in a variety of domains to analyze and monitor the operation of diverse systems. Unsupervised approaches have received widespread interest, as they do…

机器学习 · 计算机科学 2025-10-23 Buang Zhang , Tung Kieu , Xiangfei Qiu , Chenjuan Guo , Jilin Hu , Aoying Zhou , Christian S. Jensen , Bin Yang

As a powerful approach for exploratory data analysis, unsupervised clustering is a fundamental task in computer vision and pattern recognition. Many clustering algorithms have been developed, but most of them perform unsatisfactorily on the…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Pengfei Ge , Chuan-Xian Ren , Jiashi Feng , Shuicheng Yan

Computer vision has evolved in the last decade as a key technology for numerous applications replacing human supervision. In this paper, we present a survey on relevant visual surveillance related researches for anomaly detection in public…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Santhosh Kelathodi Kumaran , Debi Prosad Dogra , Partha Pratim Roy

Recent advancements in anomaly detection have shifted focus towards Multi-class Unified Anomaly Detection (MUAD), offering more scalable and practical alternatives compared to traditional one-class-one-model approaches. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Hossein Kashiani , Niloufar Alipour Talemi , Fatemeh Afghah

Autonomous driving (AD) operates in open-world scenarios, where encountering unknown objects is inevitable. However, standard object detectors trained on a limited number of base classes tend to ignore any unknown objects, posing potential…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Lars Schmarje , Kaspar Sakman , Reinhard Koch , Dan Zhang

Computer vision-based accident detection through video surveillance has become a beneficial but daunting task. In this paper, a neoteric framework for detection of road accidents is proposed. The proposed framework capitalizes on Mask R-CNN…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Earnest Paul Ijjina , Dhananjai Chand , Savyasachi Gupta , Goutham K

Vehicle anomaly detection plays a vital role in highway safety applications such as accident prevention, rapid response, traffic flow optimization, and work zone safety. With the surge of the Internet of Things (IoT) in recent years, there…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Vinit Katariya , Fatema-E- Jannat , Armin Danesh Pazho , Ghazal Alinezhad Noghre , Hamed Tabkhi

We introduce an anomaly detection method for multivariate time series data with the aim of identifying critical periods and features influencing extreme climate events like snowmelt in the Arctic. This method leverages the Variational…

机器学习 · 计算机科学 2024-07-16 Tolulope Ale , Nicole-Jeanne Schlegel , Vandana P. Janeja

Anomaly detection is the problem of recognizing abnormal inputs based on the seen examples of normal data. Despite recent advances of deep learning in recognizing image anomalies, these methods still prove incapable of handling complex…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Nina Shvetsova , Bart Bakker , Irina Fedulova , Heinrich Schulz , Dmitry V. Dylov

Due to the limited availability of anomalous samples for training, video anomaly detection is commonly viewed as a one-class classification problem. Many prevalent methods investigate the reconstruction difference produced by AutoEncoders…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Xiangyu Huang , Caidan Zhao , Chenxing Gao , Lvdong Chen , Zhiqiang Wu

As the labor force decreases, the demand for labor-saving automatic anomalous sound detection technology that conducts maintenance of industrial equipment has grown. Conventional approaches detect anomalies based on the reconstruction…

音频与语音处理 · 电气工程与系统科学 2020-05-20 Kaori Suefusa , Tomoya Nishida , Harsh Purohit , Ryo Tanabe , Takashi Endo , Yohei Kawaguchi

In our digital universe nowadays, enormous amount of data are produced in a streaming manner in a variety of application areas. These data are often unlabelled. In this case, identifying infrequent events, such as anomalies, poses a great…

机器学习 · 计算机科学 2023-09-07 Jin Li , Kleanthis Malialis , Marios M. Polycarpou

Detecting anomalies in multivariate time-series data is essential in many real-world applications. Recently, various deep learning-based approaches have shown considerable improvements in time-series anomaly detection. However, existing…

机器学习 · 计算机科学 2022-01-31 Kyeong-Joong Jeong , Yong-Min Shin

Anomaly detection or more generally outliers detection is one of the most popular and challenging subject in theoretical and applied machine learning. The main challenge is that in general we have access to very few labeled data or no…

机器学习 · 计算机科学 2023-05-31 Mansour Zoubeirou A Mayaki , Michel Riveill

The performance of Quantum Autoencoders (QAEs) in anomaly detection tasks is critically dependent on the choice of data embedding and ansatz design. This study explores the effects of three data embedding techniques, data re-uploading,…

量子物理 · 物理学 2024-09-10 Jack Y. Araz , Michael Spannowsky

Graph anomaly detection (GAD) has become an increasingly important task across various domains. With the rapid development of graph neural networks (GNNs), GAD methods have achieved significant performance improvements. However, fairness…

机器学习 · 计算机科学 2025-08-15 Shouju Wang , Yuchen Song , Sheng'en Li , Dongmian Zou