A review on outlier/anomaly detection in time series data

A Blázquez-García, A Conde, U Mori… - ACM Computing Surveys …, 2021 - dl.acm.org
Recent advances in technology have brought major breakthroughs in data collection,
enabling a large amount of data to be gathered over time and thus generating time series …

A review of local outlier factor algorithms for outlier detection in big data streams

O Alghushairy, R Alsini, T Soule, X Ma - Big Data and Cognitive …, 2020 - mdpi.com
Outlier detection is a statistical procedure that aims to find suspicious events or items that
are different from the normal form of a dataset. It has drawn considerable interest in the field …

Uncertainty quantification over graph with conformalized graph neural networks

K Huang, Y Jin, E Candes… - Advances in Neural …, 2024 - proceedings.neurips.cc
Abstract Graph Neural Networks (GNNs) are powerful machine learning prediction models
on graph-structured data. However, GNNs lack rigorous uncertainty estimates, limiting their …

Testing for outliers with conformal p-values

S Bates, E Candès, L Lei, Y Romano… - The Annals of …, 2023 - projecteuclid.org
Testing for outliers with conformal p-values Page 1 The Annals of Statistics 2023, Vol. 51, No.
1, 149–178 https://doi.org/10.1214/22-AOS2244 © Institute of Mathematical Statistics, 2023 …

Conformal prediction interval for dynamic time-series

C Xu, Y Xie - International Conference on Machine Learning, 2021 - proceedings.mlr.press
We develop a method to construct distribution-free prediction intervals for dynamic time-
series, called\Verb| EnbPI| that wraps around any bootstrap ensemble estimator to construct …

Graph neural network approach for anomaly detection

L Xie, D Pi, X Zhang, J Chen, Y Luo, W Yu - Measurement, 2021 - Elsevier
To ensure the stable long-time operation of satellites, evaluate the satellite status, and
improve satellite maintenance efficiency, we propose an anomaly detection method based …

Boundary loss for remote sensing imagery semantic segmentation

A Bokhovkin, E Burnaev - International Symposium on Neural Networks, 2019 - Springer
In response to the growing importance of geospatial data, its analysis including semantic
segmentation becomes an increasingly popular task in computer vision today. Convolutional …

Online forecasting and anomaly detection based on the ARIMA model

V Kozitsin, I Katser, D Lakontsev - Applied Sciences, 2021 - mdpi.com
Real-time diagnostics of complex technical systems such as power plants are critical to keep
the system in its working state. An ideal diagnostic system must detect any fault in advance …

Integrative conformal p-values for powerful out-of-distribution testing with labeled outliers

Z Liang, M Sesia, W Sun - arXiv preprint arXiv:2208.11111, 2022 - arxiv.org
This paper develops novel conformal methods to test whether a new observation was
sampled from the same distribution as a reference set. Blending inductive and transductive …

Pysad: A streaming anomaly detection framework in python

SF Yilmaz, SS Kozat - arXiv preprint arXiv:2009.02572, 2020 - arxiv.org
PySAD is an open-source python framework for anomaly detection on streaming data.
PySAD serves various state-of-the-art methods for streaming anomaly detection. The …