A Novel Feature Enhancement Method Based on Improved Constraint Model of Online Dictionary Learning

A Novel Feature Enhancement Method Based on Improved Constraint Model of Online Dictionary Learning

Online dictionary learning (ODL) is an emerging and efficient dictionary learning algorithm, which can extract fault features information of fault signals in most occasions. However, the typical ODL algorithm fails to consider the interference of noise and the structural features of the fault signal...

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Bibliographic Details
Main Authors:	Huaqing Wang, Pengxin Wang, Liuyang Song, Bangyue Ren, Lingli Cui
Format:	Article
Language:	English
Published:	IEEE 2019-01-01
Series:	IEEE Access
Subjects:	Online dictionary learning sparse representation elastic-net <italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">l</italic>₂,₁ norm feature enhancement
Online Access:	https://ieeexplore.ieee.org/document/8630917/

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