Results 1 to 10 of about 5,162 (125)

Adaptable and Robust EEG Bad Channel Detection Using Local Outlier Factor (LOF) [PDF]

open access: yesSensors, 2022
Electroencephalogram (EEG) data are typically affected by artifacts. The detection and removal of bad channels (i.e., with poor signal-to-noise ratio) is a crucial initial step.
Velu Prabhakar Kumaravel   +3 more
doaj   +5 more sources

Outlier Detection Credit Card Transactions Using Local Outlier Factor Algorithm (LOF)

open access: yesIJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2019
Threats or fraud for credit card owners and banks as service providers have been harmed by the actions of perpetrators of credit card thieves. All transaction data are stored in the bank's database, but are limited in information and cannot be used as a ...
Silvano Sugidamayatno, Danang Lelono
doaj   +4 more sources

Outlier Detection and Explanation Method Based on FOLOF Algorithm [PDF]

open access: yesEntropy
Outlier mining constitutes an essential aspect of modern data analytics, focusing on the identification and interpretation of anomalous observations. Conventional density-based local outlier detection methodologies frequently exhibit limitations due to ...
Lei Bai, Jiasheng Wang, Yu Zhou
doaj   +2 more sources

Highly accurate anomaly based intrusion detection through integration of the local outlier factor and convolutional neural network [PDF]

open access: yesScientific Reports
Intrusion detection systems (IDS) are critical for safeguarding computer networks by identifying malicious activities. However, distinguishing attacks in IDSs with high accuracy is challenging.
Rahimullah Rabih   +3 more
doaj   +2 more sources

‌Rockburst intensity grading prediction based on the LOF-ENN-KNN model‌ [PDF]

open access: yesScientific Reports
Rockburst is a typical dynamic disaster in deep underground engineering, and its accurate prediction is of great significance to ensure the safety of engineering.
Haoran Ge   +5 more
doaj   +2 more sources

A Data-Driven Loose Contact Diagnosis Method for Smart Meters [PDF]

open access: yesSensors
In smart meters, loose contact at screw terminals can lead to prolonged overheating and arcing, posing significant fire hazards. To mitigate these risks through early fault detection, this study proposes a data-driven framework integrating the Local ...
Wenpeng Luan   +5 more
doaj   +2 more sources

Discrimination among Winding Mechanical Defects in Transformer Using Noise Detection and Data Mining Boosting Method [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2021
IIn this paper, an efficient method to detect and discriminate mechanical defects of transformer winding based on extracting the winding frequency responses using outlier data detection and ensemble algorithms ,which in total constitutes an efficient ...
Zahra Moravej   +2 more
doaj   +1 more source

Hybrid Machine Learning–Statistical Method for Anomaly Detection in Flight Data

open access: yesApplied Sciences, 2022
This paper investigates the use of an unsupervised hybrid statistical–local outlier factor algorithm to detect anomalies in time-series flight data. Flight data analysis is an activity carried out by airlines primarily as a means of improving the safety ...
Sameer Kumar Jasra   +3 more
doaj   +1 more source

Fault Detection Method via k-Nearest Neighbor Normalization and Weight Local Outlier Factor for Circulating Fluidized Bed Boiler with Multimode Process

open access: yesEnergies, 2022
In modern complex industrial processes, mode changes cause unplanned shutdowns, potentially shortening the lifespan of key equipment and incurring significant maintenance costs.
Minseok Kim   +6 more
doaj   +1 more source

A Novel GPR-Based Prediction Model for Strip Crown in Hot Rolling by Using the Improved Local Outlier Factor

open access: yesIEEE Access, 2021
In the hot rolling process, the prediction of strip crown is the key factor to improve the flatness quality of the strip. However, the traditional prediction method can only provide prediction values, but does not quantitatively evaluate the prediction ...
Yan Wu, Xu Li, Feng Luan, Yaodong He
doaj   +1 more source

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