Time-varying Lifting Structures For Single-tree Complexwavelet Transform [PDF]
, 2012 In this paper, we describe a single-tree complex wavelet transform method using time-varying lifting structures. In the dualtree complex wavelet transform (DT-CWT), two different filterbanks are executed in parallel to analyze a given input signal, which
A. Enis Cetin +3 more
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Application of wavelet transform for evaluation of hydrocarbon reservoirs: example from Iranian oil fields in the north of the Persian Gulf [PDF]
Nonlinear Processes in Geophysics, 2013 The Persian Gulf and its surrounding area are some of the biggest basins and have a very important role in producing huge amounts of hydrocarbon, and this potential was evaluated in order to explore the target for geoscientists and petroleum engineers ...
M. R. Saadatinejad, H. Hassani
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Wavelet-Based Algorithm for Signal Analysis
EURASIP Journal on Advances in Signal Processing, 2007 This paper presents a computational algorithm for identifying power frequency variations and integer harmonics by using wavelet-based transform. The continuous wavelet transform (CWT) using the complex Morlet wavelet (CMW) is adopted to detect the ...
Lai LL, Tse Norman CF
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Multiscale texture classification using dual-tree complex wavelet transform [PDF]
, 2009 This paper presents a multiscale texture classifier that exploits the Gabor-like properties of the dual-tree complex wavelet transform, shift invariance and six directional subbands at each scale, and uses a feature vector comprising of a variance and an
Tjahjadi, Tardi, Çelik, Turgay
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Generalized Continuous Integral Wavelet Transform and Its Properties
Ratio Mathematica, 2022 In this paper, the generalized admissibility condition has been obtained and corresponding generalized continuous integral wavelet transforms have been defined. Two new theorems on generalized continuous integral wavelet transforms are established.
Manoj Kumar
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The Time-Scale Interactions between Stock Price and Exchange Rate Volatility in Tehran Stock Exchange [PDF]
راهبرد مدیریت مالی, 2018 The purpose of this study was to investigate the relationship between Tehran stock exchange price index and exchange rate changes using the time-scale approach.
ramin khochiany
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Kuwait Journal of Science, 2022 The main objective of this research is to reduce the expected error between the original signal polluted by the implicit and estimated noise. The dominance of some levels of the surrounding earthquakes in general on the seismic energy resulting from ...
Hasanain Jasim Mohammed, Ali M. Al-Rahim
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Laser Scanning and the Continuous Wavelet Transform for Flatness Control [PDF]
, 2015 Current methods for surface flatness control in construction are based on sparse measurements and therefore may lead to inaccurate and imprecise results.
B. Biotteau +5 more
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Rotationally invariant texture features using the dual-tree complex wavelet transform [PDF]
, 2000 New rotationally invariant texture feature extraction methods are introduced that utilise the dual-tree complex wavelet transform (DT-CWT). The complex wavelet transform is a new technique that uses a dual tree of wavelet filters to obtain the real and ...
Bull, David +5 more
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JuWavelet – continuous wavelet transform and S transform for wave analysis [PDF]
Geoscientific Model DevelopmentThis paper describes the Python package JuWavelet, which implements the continuous wavelet transform using the Morlet wavelet, which is a popular tool in the geosciences to analyse wave-like phenomena.
J. Ungermann, R. Reichert, R. Reichert
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