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A Comparative Study for Outlier Detection Strategies Based On Traditional Machine Learning For IoT Data Analysis. [PDF]

open access: yesIJCI International Journal of Computers and Information, 2022
Internets of Things (IoT) systems are increasing very fast. They have different types of wireless sensor networks (WSN) behind them. These networks have many applications that are a portion of our life such as healthcare, agricultural, mechanical, and ...
Khalid Amin   +2 more
doaj   +1 more source

Power Frequency Adaptive Suppression Method Based on Local Outlier Factor of Frequency Density [PDF]

open access: yesZhengzhou Daxue xuebao. Gongxue ban, 2023
Bioelectric signals belong to weak low-frequency signals with strong noise, therefore it is necessary to filter out power frequency interference. In order to ensure the accuracy and effectiveness of the filtering during power frequency offset, local ...
HUANG Zijuan, TU Juan, DAI Zunxiang
doaj   +1 more source

An Outlier Detection Approach Based on Improved Self-Organizing Feature Map Clustering Algorithm

open access: yesIEEE Access, 2019
Local Outlier Factor (LOF) outlier detecting algorithm has good accuracy in detecting global and local outliers. However, the algorithm needs to traverse the entire dataset when calculating the local outlier factor of each data point, which adds extra ...
Ping Yang   +4 more
doaj   +1 more source

Dynamic graph embedding for outlier detection on multiple meteorological time series.

open access: yesPLoS ONE, 2021
Existing dynamic graph embedding-based outlier detection methods mainly focus on the evolution of graphs and ignore the similarities among them. To overcome this limitation for the effective detection of abnormal climatic events from meteorological time ...
Gen Li, Jason J Jung
doaj   +1 more source

An improved random forest-Monte Carlo method and application for structural reliability analysis of A-type independent liquid tank support structure

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectivesIn response to the increasing depth of research and design on liquefied natural gas (LNG) ship structures, higher requirements are put forward for a reliability analysis method that can quickly and accurately evaluate uncertain factors.
Xuejian LI   +3 more
doaj   +1 more source

Robust Incremental Outlier Detection Approach Based on a New Metric in Data Streams

open access: yesIEEE Access, 2021
Detecting outliers in real time from multivariate streaming data is a vital and challenging research topic in many areas. Recently introduced the incremental Local Outlier Factor (iLOF) approach and its variants have received considerable attention as ...
Ali Degirmenci, Omer Karal
doaj   +1 more source

Hardware Trojan Detection Method Based on Enhanced Local Outlier Factor

open access: bronzeIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Tingyuan Nie, Jingjing NIE, Kun Zhao
openalex   +3 more sources

Outlier detection and data filling based on KNN and LOF for power transformer operation data classification

open access: yesEnergy Reports, 2023
The missing and abnormal data in power transformer operation and monitoring greatly affect the accuracy of fault diagnosis and thus threaten the stable operation of power systems.
Dexu Zou   +9 more
doaj   +1 more source

A Two-Level Approach based on Integration of Bagging and Voting for Outlier Detection

open access: yesJournal of Data and Information Science, 2020
The main aim of this study is to build a robust novel approach that is able to detect outliers in the datasets accurately. To serve this purpose, a novel approach is introduced to determine the likelihood of an object to be extremely different from the ...
Dogan Alican, Birant Derya
doaj   +1 more source

A Novel Wind Power Outlier Detection Method with Support Vector Machine Optimized by Improved Harris Hawk

open access: yesEnergies, 2023
The accurate detection of wind power outliers plays a crucial role in wind power forecasting, while the inherited strong randomness and high fluctuations bring great challenges to this issue.
Jingtao Huang, Jin Qin, Shuzhong Song
doaj   +1 more source

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