Results 101 to 110 of about 5,509,950 (300)
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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Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework
Advanced Functional Materials, EarlyView.The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu +13 more
wiley +1 more source
A new basis selection paradigm for wavelet packet image coding [PDF]
, 2001 In this paper, work on a new wavelet packet basis selection paradigm is reported which emphasizes the crucial role of quantization strategy being used This paradigm is coupled with a new Markov chain based estimation of the cost of zerotree quantization ...
Ronald R. Coifman +8 more
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Illumination and Reflectance Estimation with its Application in Foreground Detection
Sensors, 2015 In this paper, we introduce a novel approach to estimate the illumination and reflectance of an image. The approach is based on illumination-reflectance model and wavelet theory.
Gang Jun Tu +3 more
doaj +1 more source
Omnipolar Magnetic Field Detection by Superlattice‐Based Hall Sensor
Advanced Functional Materials, EarlyView.Magnetic‐field‐induced electronic switching is demonstrated in unit‐cell‐engineered La0.7Sr0.3MnO3–BiFeO3 superlattices. Distinct substrate terminations modify magnetic and transport properties. Hall resistance measurements show omnipolar, hysteretic anomalous Hall switching above the Curie temperature, arising from Fe─Mn interfacial exchange, enabling
Mark Huijben +6 more
wiley +1 more source
Log-Density Deconvolution by Wavelet Thresholding [PDF]
This paper proposes a new wavelet-based method for deconvolving a density. The estimator combines the ideas of nonlinear wavelet thresholding with periodised Meyer wavelets and estimation by information projection.
Van Bellegem, Sébastien +1 more
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Fast motion estimation based on the redundant wavelet for 2D+T wavelet coder [PDF]
, 2005 Scalable video coding utilizing the wavelet transform applied to both the spatial and temporal domains (3D-DWT) is of current interest in video coding.
Park, Heechan +2 more
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A Proposed Image Structure of Multiwavelet Network
Journal of Engineering and Sustainable Development, 2014 The combination of wavelet theory and neural networks has lead to the development of wavelet networks. Wavelet networks are feed-forward neural networks using wavelets as activation function.
Wael Hussein Zayer, Ahmed Thamer Radi
doaj
Advanced Functional Materials, EarlyView.Significant nanoscale oxygen diffusion coefficient variations are measured in ferroelectric hafnium zirconium oxide films with grain boundaries and electrode interfaces exhibiting values 104 times larger than the grain cores. Overall coefficients are 10X larger for films prepared with metal nitride electrodes compared to refractory metals. New insights
Liron Shvilberg +6 more
wiley +1 more source
Orthogonality Conditions for Non-Dyadic Wavelet Analysis [PDF]
The conventional dyadic multiresolution analysis constructs a succession of frequency intervals in the form of ( π / 2 j , π / 2 j - 1 ); j = 1, 2, . . . , n of which the bandwidths are halved repeatedly in the descent from high frequencies to low
Stephen Pollock, Iolanda Lo Cascio
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