An audio fingerprinting extraction algorithm based on lifting wavelet packet and improved optimal-basis selection
Sign Up to like & getrecommendations! Published in 2018 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-018-6802-y
Abstract: Audio fingerprinting technology is widely applied to the analysis and processing of digital signal, especially in the application of speech recognition which is one of the most popular fields of the intelligent multimedia and artificial… read more here.
Keywords: audio fingerprinting; algorithm based; lifting wavelet; wavelet ... See more keywords
A wavelet packet spectral subtraction and convolutional neural network based method for diagnosis of system health
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-1111-6
Abstract: Health monitoring systems play a key role inside smart factories. To enhance the real-time capability and reliability of health monitoring systems, we propose a fully automatic method for machine diagnosis. Firstly, acquired vibration signals are… read more here.
Keywords: packet spectral; diagnosis; spectral subtraction; method ... See more keywords
Hybrid wavelet packet machine learning approaches for drought modeling
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Earth Sciences"
DOI: 10.1007/s12665-020-08971-y
Abstract: Among all the natural disasters, drought has the most catastrophic encroachment on the surrounding and environment. Gulbarga, one of the semi-arid districts of Karnataka state, India receives about 700 mm of average annual rainfall and… read more here.
Keywords: learning approaches; machine learning; wavelet packet; drought ... See more keywords
A Unified Framework for Wavelet-Packet Identification of Dynamic Systems
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-018-0419-2
Abstract: This work proposes a unified framework for linear system identification in frequency subbands using wavelet packets. To that end, a previous wavelet-packet technique is extended to allow for the use of general model structures and… read more here.
Keywords: systems unified; wavelet; identification; unified framework ... See more keywords
A combination of wavelet packet energy curvature difference and Richardson extrapolation for structural damage detection
Sign Up to like & getrecommendations! Published in 2020 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2020.102224
Abstract: Abstract Marine structures are exposed to various destructive factors during their serviceability. Therefore, timely damage detection and repair of these structures at early stages can increase their service life and prevent economic and human losses… read more here.
Keywords: method; curvature difference; damage; energy curvature ... See more keywords
Distinguishing different lightning events based on wavelet packet transform of magnetic field signals
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Atmospheric and Solar-Terrestrial Physics"
DOI: 10.1016/j.jastp.2020.105477
Abstract: Abstract In this paper, the wavelet packet transform (WPT) is applied to analyze the time-frequency features of three kinds of lightning events (the cloud pulse, the return stroke and the stepped leader) and a new… read more here.
Keywords: stepped leader; packet transform; different lightning; magnetic field ... See more keywords
An efficient EEG based deceit identification test using wavelet packet transform and linear discriminant analysis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Neuroscience Methods"
DOI: 10.1016/j.jneumeth.2019.01.007
Abstract: BACKGROUND Brain-computer interface (BCI) is a combination of hardware and software that provides a non-muscular channel to send various messages and commands to the outside world and control external devices such as computers. BCI helps… read more here.
Keywords: linear discriminant; packet transform; deceit identification; identification ... See more keywords
An UWB ranging method based on wavelet packet decomposition
Sign Up to like & getrecommendations! Published in 2017 at "Neurocomputing"
DOI: 10.1016/j.neucom.2016.10.099
Abstract: Abstract In wireless sensor networks (WSNs), precise ranging or positioning using Ultra-Wideband (UWB) signal attracts a wide research interest. The advantages of non-coherent energy detection (ED) are low sampling rate and low complexity, but the… read more here.
Keywords: energy; wavelet packet; packet decomposition; ranging method ... See more keywords
Structural health monitoring and assessment using wavelet packet energy spectrum
Sign Up to like & getrecommendations! Published in 2019 at "Safety Science"
DOI: 10.1016/j.ssci.2019.08.015
Abstract: Abstract A novel methodology about structural health monitoring and assessment using the wavelet packet energy spectrum is developed by analyzing the acceleration response signal, aiming to identify the structural damage in real time and perform… read more here.
Keywords: damage; wavelet packet; energy; structural damage ... See more keywords
Noise Suppression Method of Microseismic Signal Based on Complementary Ensemble Empirical Mode Decomposition and Wavelet Packet Threshold
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2957877
Abstract: Aiming at the situation that complementary ensemble empirical mode decomposition (CEEMD) noise suppression method may produce redundant noise and wavelet transform easily loses high-frequency detail information, considering wavelet packet transform can be used to perform… read more here.
Keywords: wavelet packet; method; noise suppression; noise ... See more keywords
Improved Wavelet Packet Noise Reduction for Microseismic Data via Fuzzy Partition
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3098057
Abstract: It is crucial to retain as many signal components as possible, while noise is eliminated for wavelet packet noise reduction algorithms. Conventional thresholding functions take coefficients smaller than a given threshold as the noise component… read more here.
Keywords: noise; noise reduction; wavelet packet; partition ... See more keywords