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A discrete wavelet analysis of freak waves in the ocean
Published 2004-01-01“…A case study examines some basic properties developed by performing wavelet analysis on a freak wave. We demonstrate several applications of wavelets and discrete and continuous wavelet transforms on the study of a freak wave. …”
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22
Wavelet Transform in Vibration Analysis for Mechanical Fault Diagnosis
Published 1996-01-01“…The wavelet transform is introduced to indicate short-time fault effects in associated vibration signals. …”
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23
An Improved Wavelet Correction for Zero Shifted Accelerometer Data
Published 2003-01-01“…A method has been proposed by which wavelets may be used to correct the acceleration data. …”
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24
Adaptive Noise Reduction of Scintigrams with a Wavelet Transform
Published 2012-01-01“…The aim of this study was to eliminate the effect of Poisson noise in scintigrams with a wavelet thresholding method. We developed a new noise reduction method with a wavelet transform. …”
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25
Forecasting consumption of electric energy by using wavelet transform
Published 2021-06-01Subjects: Get full text
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26
Isolation of a periodic component by singular wavelet decomposition
Published 2020-09-01Subjects: “…wavelet…”
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27
3D Wavelet Subbands Mixing for Image Denoising
Published 2008-01-01“…The method proposed in this paper is a fully automatic 3D blockwise version of the nonlocal (NL) means filter with wavelet subbands mixing. The proposed wavelet subbands mixing is based on a multiresolution approach for improving the quality of image denoising filter. …”
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28
Printed Persian Subword Recognition Using Wavelet Packet Descriptors
Published 2013-01-01“…In this paper, we present a new approach to offline OCR (optical character recognition) for printed Persian subwords using wavelet packet transform. The proposed algorithm is used to extract font invariant and size invariant features from 87804 subwords of 4 fonts and 3 sizes. …”
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29
WTASR: Wavelet Transformer for Automatic Speech Recognition of Indian Languages
Published 2023-03-01Subjects: Get full text
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30
A Characterization of Multi-Wavelet Dual Frames in Sobolev Spaces
Published 2020-01-01“…For the past few years, wavelet and multi-wavelet frames have attracted interest from researchers. …”
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31
Improved Wavelet Reassigned Scalograms and Application for Modal Parameter Estimation
Published 2011-01-01Get full text
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32
Asymptotic Expansions of the Wavelet Transform for Large and Small Values of b
Published 2009-01-01“…Asymptotic expansions of the wavelet transform for large and small values of the translation parameter b are obtained using asymptotic expansions of the Fourier transforms of the function and the wavelet. …”
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33
Shift Unitary Transform for Constructing Two-Dimensional Wavelet Filters
Published 2011-01-01“…Due to the difficulty for constructing two-dimensional wavelet filters, the commonly used wavelet filters are tensor-product of one-dimensional wavelet filters. …”
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Human Action Recognition Using Difference of Gaussian and Difference of Wavelet
Published 2023-09-01Subjects: Get full text
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35
Wavelet Domain Multidictionary Learning for Single Image Super-Resolution
Published 2015-01-01“…In order to alleviate the uncertainty in HF detail prediction, the HR and LR images are usually decomposed into 4 subbands after 1-level discrete wavelet transformation (DWT), including an approximation subband and three detail subbands. …”
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36
Wavelet-Galerkin Quasilinearization Method for Nonlinear Boundary Value Problems
Published 2014-01-01“…A numerical method is proposed by wavelet-Galerkin and quasilinearization approach for nonlinear boundary value problems. …”
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37
Shearography-Wavelet-Based Damage Detection Methodology for Aluminum Beams
Published 2023-11-01Subjects: Get full text
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38
Effective Denoising of Firing Shock Force on Shoulder by Morphological Wavelet
Published 2018-01-01“…Wavelet transform is one of the most desirable tools for depressing noise. …”
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39
Optimal Wavelet Estimation of Density Derivatives for Size-Biased Data
Published 2014-01-01“…A perfect achievement has been made for wavelet density estimation by Dohono et al. in 1996, when the samples without any noise are independent and identically distributed (i.i.d.). …”
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Nonhomogeneous Wavelet Dual Frames and Extension Principles in Reducing Subspaces
Published 2020-01-01“…It can be seen from the literature that nonhomogeneous wavelet frames are much simpler to characterize and construct than homogeneous ones. …”
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