Showing 21 - 40 results of 610 for search '"wavelet"', query time: 0.06s Refine Results
  1. 21

    A discrete wavelet analysis of freak waves in the ocean by En-Bing Lin, Paul C. Liu

    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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    Article
  2. 22

    Wavelet Transform in Vibration Analysis for Mechanical Fault Diagnosis by W.J. Wang

    Published 1996-01-01
    “…The wavelet transform is introduced to indicate short-time fault effects in associated vibration signals. …”
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    Article
  3. 23

    An Improved Wavelet Correction for Zero Shifted Accelerometer Data by Timothy S. Edwards

    Published 2003-01-01
    “…A method has been proposed by which wavelets may be used to correct the acceleration data. …”
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    Article
  4. 24

    Adaptive Noise Reduction of Scintigrams with a Wavelet Transform by Koichi Ogawa, Masahiko Sakata, Yu Li

    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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    Article
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    3D Wavelet Subbands Mixing for Image Denoising by Pierrick Coupé, Pierre Hellier, Sylvain Prima, Charles Kervrann, Christian Barillot

    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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    Article
  8. 28

    Printed Persian Subword Recognition Using Wavelet Packet Descriptors by Samira Nasrollahi, Afshin Ebrahimi

    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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    Article
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    A Characterization of Multi-Wavelet Dual Frames in Sobolev Spaces by Jianping Zhang, Jiajia Li

    Published 2020-01-01
    “…For the past few years, wavelet and multi-wavelet frames have attracted interest from researchers. …”
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    Article
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    Asymptotic Expansions of the Wavelet Transform for Large and Small Values of b by R. S. Pathak, Ashish Pathak

    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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  13. 33

    Shift Unitary Transform for Constructing Two-Dimensional Wavelet Filters by Fei Li, Jianwei Yang

    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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    Article
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    Wavelet Domain Multidictionary Learning for Single Image Super-Resolution by Xiaomin Wu, Jiulun Fan, Jian Xu, Yanzi Wang

    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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    Article
  16. 36

    Wavelet-Galerkin Quasilinearization Method for Nonlinear Boundary Value Problems by Umer Saeed, Mujeeb ur Rehman

    Published 2014-01-01
    “…A numerical method is proposed by wavelet-Galerkin and quasilinearization approach for nonlinear boundary value problems. …”
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    Article
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    Effective Denoising of Firing Shock Force on Shoulder by Morphological Wavelet by Ye Lu, Ke-dong Zhou, Peng-han Gong, Bing Li

    Published 2018-01-01
    “…Wavelet transform is one of the most desirable tools for depressing noise. …”
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    Article
  19. 39

    Optimal Wavelet Estimation of Density Derivatives for Size-Biased Data by Jinru Wang, Zijuan Geng, Fengfeng Jin

    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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  20. 40

    Nonhomogeneous Wavelet Dual Frames and Extension Principles in Reducing Subspaces by Jianping Zhang, Huifang Jia

    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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    Article