نتایج جستجو برای: cwt

تعداد نتایج: 807  

Journal: :Multimedia Tools and Applications 2018

Journal: :sahand communications in mathematical analysis 0
arash ghaani farashahi numerical harmonic analysis group (nuhag), faculty of mathematics, university of vienna, vienna, austria. mozhgan mohammad-pour faculty of mathematics, ferdowsi university of mashhad, mashhad, iran.

the article introduces cyclic dilation groups and finite affine groups for prime integers, and  as an application of this theory it presents a unified group theoretical approach for the  cyclic wavelet transform (cwt) of prime dimensional periodic signals.

The article introduces cyclic dilation groups and finite affine groups for prime integers, and  as an application of this theory it presents a unified group theoretical approach for the  cyclic wavelet transform (CWT) of prime dimensional periodic signals.

Journal: :The Journal of antimicrobial chemotherapy 2010
Warren E Rose Ryan M Knier Paul R Hutson

OBJECTIVES Heterogeneous vancomycin-intermediate Staphylococcus aureus (hVISA) have a higher predisposition to select for VISA with thickened cell walls upon vancomycin exposure, but the pharmacodynamic relationship of this occurrence with clinical doses is unknown. This study investigates the impact of clinical vancomycin dose simulations on cell wall thickness (CWT) and the emergence of resis...

2011
Lena André-Petersson Mona Schlyter Gunnar Engström Patrik Tydén Bo Hedblad

BACKGROUND Psychosocial stress has been identified as a risk factor in association with cardiovascular disease but less attention has been paid to heterogeneity in vulnerability to stress. The serial Color Word Test (CWT) measures adaptation to a stressful situation and it can be used to identify individuals that are vulnerable to stress. Prospective studies have shown that individuals with a m...

Journal: :Arquivos brasileiros de cardiologia 2009
Carlos Alexandre Fett Waléria Christiane Rezende Fett Julio Sérgio Marchini

BACKGROUND Resisted and aerobic exercises are recommended to reduce weight and improve health, but which exercise modality offers the best results is still unclear. OBJECTIVE The aims of this study were to compare circuit weight training (CWT) with jogging (JOGG) on multiple cardiovascular disease (CVD), metabolic risk factors and fitness of overweight and obese women (body composition, lipid...

1999
Yiu-Tong Chan K. C. Ho

Direct computation of CWT using FFT requiresO(Nlog2N) operations per scale, whereN is the data length. The Shensa algorithm is a fast algorithm to compute CWT that uses only O(N) operations per scale. The application of the algorithm requires the design of a bandpass and a lowpass filter for a given mother wavelet function. Previous design method involves multi-dimensional numerical search and ...

2004
Francis CASTANIE

This paper addresses the problem of multiplicative jump detection and estimation in the time-scale plane. The signature is derived for a multiplicative jump in the time-scale plane. The signature allows the study of two wavelet based detectors. The first detector computes the Continuous Wavelet Transform (CWT) correlation with 2D signature. The second detector sums k e d scale slices of the CWT...

Journal: :Computing and Informatics 2009
Y. Wang Q. Ruan

In the paper, we improve the Local Binary Pattern Histogram (LBPH) approach and combine it with Dual-Tree Complex Wavelet Transform (DT-CWT) to propose a Dual-Tree Complex Wavelet Transform based Local Binary Pattern Weighted Histogram (DT-CWT based LBPWH) method for palmprint representation and recognition. The approximate shift invariant property of the DT-CWT and its good directional selecti...

Journal: :Signal & Image Processing : An International Journal 2017

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