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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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 +2 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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A study of discrete wavelet transform based denoising to reduce the effect of artificial light interferences for indoor optical wireless communication [PDF]
, 2010 The optical power penalty (OPP) due to the artificial light interferences (ALIs) can be significantly high in an indoor optical wireless communication (OWC) channel making such link practically infeasible.
Ghassemlooy, Zabih +5 more
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The De-Noising of Sonic Echo Test Data through Wavelet Transform Reconstruction
Shock and Vibration, 1999 This paper presents the results of feasibility study into the application of the wavelet transform signal processing method to sonic based non-destructive testing techniques.
J.N. Watson, P.S. Addison, A. Sibbald
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Exploring relationship between crude oil price volatility and stock indices movement using wavelet analysis: evidence from India and China [PDF]
Vilakshan (XIMB Journal of Management), 2022 Purpose – This study aims to explore the linkage between fluctuations in the global crude oil price and equity market in fast emerging economies of India and China. Design/methodology/approach – The present research uses wavelet decomposition and maximal
Shekhar Mishra, Sathya Swaroop Debasish
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A Novel Method to Estimate the Damage Severity Using Spatial Wavelets and Local Regularity Algorithm
Fracture and Structural Integrity, 2020 In the process of structural damage detection using continuous wavelet transform (CWT), the perturbation or damage is located by identifying the defects locally in the input signal data.
Arun Kumar K, Mallikarjuna Reddy D
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State Identification of Transformer Under DC Bias Based on Wavelet Singular Entropy
IEEE Access, 2021 To identify the DC bias state of transformers, a DC bias state identification method of transformer based on wavelet singular entropy is proposed in this paper. The vibration principle of transformers under DC bias has been analyzed.
Jun Liu +7 more
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Quality assessment by region in spot images fused by means dual-tree complex wavelet transform [PDF]
, 2011 This work is motivated in providing and evaluating a fusion algorithm of remotely sensed images, i.e. the fusion of a high spatial resolution panchromatic image with a multi-spectral image (also known as pansharpening) using the dual-tree complex wavelet
Arquero Hidalgo, Águeda +2 more
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Continuous and Discrete Wavelet Transforms Associated with Hermite Transform
International Journal of Analysis and Applications, 2020 In this paper, we accomplished the concept of continuous and discrete Hermite wavelet transforms. We also discussed some basic properties of Hermite wavelet transform.
C. P. Pandey, Pranami Phukan
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