1995
DOI: 10.1117/12.205427
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<title>Nonlinear processing of a shift-invariant discrete wavelet transform (DWT) for noise reduction</title>

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Cited by 77 publications
(53 citation statements)
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“…Wavelet transform, as a multiresolution analysis method, can perform time domain and frequency domain analysis at the same time, with time-frequency localization and multiresolution [4]. Wavelet transform can accurately locate the point of data on the time axis and can describe its local features on different scales, such as edges, spikes _________________________________________ and breakpoints.…”
Section: Introductionmentioning
confidence: 99%
“…Wavelet transform, as a multiresolution analysis method, can perform time domain and frequency domain analysis at the same time, with time-frequency localization and multiresolution [4]. Wavelet transform can accurately locate the point of data on the time axis and can describe its local features on different scales, such as edges, spikes _________________________________________ and breakpoints.…”
Section: Introductionmentioning
confidence: 99%
“…For non-parametric identification, there has been little work, particularly for time-invariant signals, because discrete wavelet transforms (DWTs) are not time-invariant [4]. Since time-invariant systems and signals form a large well-known class, DWTs have been modified to be time-invariant [29,30] but there is no clear relation between time-invariant signals and discrete wavelet transforms in general. Here, we examine the non-parametric identification of linear time-invariant (LTI) systems using the DWT.…”
Section: Introductionmentioning
confidence: 99%
“…La reducción de ruido por el método cycle-spinning fue propuesta inicialmente en [8], y se ha utilizado después en diferentes trabajos. Entre las aplicaciones más usuales se encuentra el procesado de imágenes [56,123,128,129], y por extensión de señales tomográficas 3D [130]. En el ámbito de la acústica, la técnica de cycle-spinning se ha utilizado para la reducción de ruido en señales SONAR [131].…”
Section: Estudio Basado En Trazas Compuestas Con Ruido De Grano Experunclassified