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Related papers: TODS: An Automated Time Series Outlier Detection S…

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Outlier detection (OD) is a key learning task for finding rare and deviant data samples, with many time-critical applications such as fraud detection and intrusion detection. In this work, we propose TOD, the first tensor-based system for…

Machine Learning · Computer Science 2022-09-20 Yue Zhao , George H. Chen , Zhihao Jia

Outlier detection is an important task for various data mining applications. Current outlier detection techniques are often manually designed for specific domains, requiring large human efforts of database setup, algorithm selection, and…

Machine Learning · Computer Science 2020-03-13 Yuening Li , Daochen Zha , Praveen Kumar Venugopal , Na Zou , Xia Hu

PyODDS is an end-to end Python system for outlier detection with database support. PyODDS provides outlier detection algorithms which meet the demands for users in different fields, w/wo data science or machine learning background. PyODDS…

Machine Learning · Computer Science 2019-10-14 Yuening Li , Daochen Zha , Na Zou , Xia Hu

Time Series Data Server (TSDS) is a software package for implementing a server that provides fast super-setting, sub-setting, filtering, and uniform gridding of time series-like data. TSDS was developed to respond quickly to requests for…

Databases · Computer Science 2010-05-06 R. S. Weigel , D. M. Lindholm , A. Wilson , J. Faden

Modern neural networks are known to give overconfident prediction for out-of-distribution inputs when deployed in the open world. It is common practice to leverage a surrogate outlier dataset to regularize the model during training, and…

Machine Learning · Computer Science 2024-02-27 Wenyu Jiang , Hao Cheng , Mingcai Chen , Chongjun Wang , Hongxin Wei

We propose DOPS, a fast single-stage 3D object detection method for LIDAR data. Previous methods often make domain-specific design decisions, for example projecting points into a bird-eye view image in autonomous driving scenarios. In…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Mahyar Najibi , Guangda Lai , Abhijit Kundu , Zhichao Lu , Vivek Rathod , Thomas Funkhouser , Caroline Pantofaru , David Ross , Larry S. Davis , Alireza Fathi

The Transient Optical Sky Survey (TOSS) is an automated, ground-based telescope system dedicated to searching for optical transient events. Small telescope tubes are mounted on a tracking, semi-equatorial frame with a single polar axis.…

Instrumentation and Methods for Astrophysics · Physics 2012-10-05 E. Hadjiyska , G. Hughes , P. Lubin , S. Taylor , R. Hartong-Redden , J. Zierten

Time series data occurs widely, and outlier detection is a fundamental problem in data mining, which has numerous applications. Existing autoencoder-based approaches deliver state-of-the-art performance on challenging real-world data but…

Machine Learning · Computer Science 2022-04-08 Tung Kieu , Bin Yang , Chenjuan Guo , Christian S. Jensen , Yan Zhao , Feiteng Huang , Kai Zheng

Reliable outlier detection in high-dimensional data is crucial in modern science, yet it remains a challenging task. Traditional methods often break down in these settings due to their reliance on asymptotic behaviors with respect to sample…

Methodology · Statistics 2025-11-05 Seong-ho Lee , Yongho Jeon

Topological Data Analysis (TDA) has emerged as a powerful tool for extracting meaningful features from complex data structures, driving significant advancements in fields such as neuroscience, biology, machine learning, and financial…

Machine Learning · Computer Science 2025-04-02 ZiXin Lin , Nur Fariha Syaqina Zulkepli

Semantic trajectories, which enrich spatial-temporal data with textual information such as trip purposes or location activities, are key for identifying outlier behaviors critical to healthcare, social security, and urban planning.…

Machine Learning · Computer Science 2024-10-15 Zheng Zhang , Hossein Amiri , Dazhou Yu , Yuntong Hu , Liang Zhao , Andreas Zufle

LiDAR-based 3D object detectors have achieved unprecedented speed and accuracy in autonomous driving applications. However, similar to other neural networks, they are often biased toward high-confidence predictions or return detections…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer

While Transformers have revolutionized machine learning on various data, existing Transformers for temporal graphs face limitations in (1) restricted receptive fields, (2) overhead of subgraph extraction, and (3) suboptimal generalization…

Machine Learning · Computer Science 2024-12-03 Kay Liu , Jiahao Ding , MohamadAli Torkamani , Philip S. Yu

Informed down-sampling (IDS) is known to improve performance in symbolic regression when combined with various selection strategies, especially tournament selection. However, recent work found that IDS's gains are not consistent across all…

Neural and Evolutionary Computing · Computer Science 2026-01-28 Alina Geiger , Martin Briesch , Dominik Sobania , Franz Rothlauf

Continuous data releases throughout the TESS primary mission will provide unique opportunities for the exoplanet community at large to contribute to maximizing TESS's scientific return via the discovery and validation of transiting planets.…

Earth and Planetary Astrophysics · Physics 2019-07-31 Ryan Cloutier

We introduce an online outlier detection algorithm to detect outliers in a sequentially observed data stream. For this purpose, we use a two-stage filtering and hedging approach. In the first stage, we construct a multi-modal probability…

Machine Learning · Computer Science 2018-03-13 Mohammadreza Mohaghegh Neyshabouri , Suleyman Serdar Kozat

Outlier detection refers to the identification of rare items that are deviant from the general data distribution. Existing approaches suffer from high computational complexity, low predictive capability, and limited interpretability. As a…

Machine Learning · Statistics 2022-01-04 Zheng Li , Yue Zhao , Nicola Botta , Cezar Ionescu , Xiyang Hu

In a corpus of data, outliers are either errors: mistakes in the data that are counterproductive, or are unique: informative samples that improve model robustness. Identifying outliers can lead to better datasets by (1) removing noise in…

Outlier detection is an important data mining task with numerous practical applications such as intrusion detection, credit card fraud detection, and video surveillance. However, given a specific complicated task with big data, the process…

Machine Learning · Computer Science 2020-06-23 Yuening Li , Zhengzhang Chen , Daochen Zha , Kaixiong Zhou , Haifeng Jin , Haifeng Chen , Xia Hu

Critical infrastructures like water treatment facilities and power plants depend on industrial control systems (ICS) for monitoring and control, making them vulnerable to cyber attacks and system malfunctions. Traditional ICS anomaly…

Machine Learning · Computer Science 2023-05-03 Emmanuel Aboah Boateng , Jerry Bruce
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