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13441
Improved Reconstruction of MR Scanned Images by Using a Dictionary Learning Scheme
Published 2019-04-01“…The quality of CS reconstruction methods largely depends on the use of various sparsifying transforms, such as wavelets, curvelets or total variation (TV), to recover MR images. …”
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13442
Delayed afterdepolarization‐induced triggered activity in cardiac purkinje cells mediated through cytosolic calcium diffusion waves
Published 2019-12-01“…Simulations predict that during an action potential, smaller cytosolic calcium wavelets propagated from the sarcolemma towards the center of the cell and initiated larger magnitude cell‐wide calcium waves via a calcium‐induced‐calcium release mechanism. …”
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13443
471 Using Computer Vision and Wearable Devices to Improve Care of Parkinson’s Disease
Published 2024-04-01“…Further processing of the signals from the video, including wavelets and frequency domain analysis, may provide better predictive capabilities. …”
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13444
Vibration signal processing for spall size estimation in rolling element bearings using autoregressive inverse filtration combined with bearing signal synchronous averaging
Published 2017-05-01“…This provides the best accuracy in estimating the size of the spall, and unlike other existing algorithms, there exist no need for further processing using wavelets for instance.…”
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13445
Comparing Features for Classification of MEG Responses to Motor Imagery.
Published 2016-01-01“…The evaluated MI-related features were power spectral density (PSD), Morlet wavelets, short-time Fourier transform (STFT), common spatial patterns (CSP), filter-bank common spatial patterns (FBCSP), spatio-spectral decomposition (SSD), and combined SSD+CSP, CSP+PSD, CSP+Morlet, and CSP+STFT. …”
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13446
Seismic Lithofacies Distribution Modeling Using the Single Normal Equation Simulation (SNESIM) Algorithm of Multiple-Point Geostatistics in Upper Assam Basin, India
Published 2021-06-01“…The first is simultaneous prestack inversion for inverting prestack gathers with angle-dependent wavelets into seismic attributes. A cross-plot of P-impedance and VP/VS ratio from well-log data was used to classify the different reservoir lithofacies such as hydrocarbon sand, brine sand, and shale. …”
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13447
Criterios para el inicio de la convección y la formación de estructuras coherentes sobre Camagüey, Cuba Criteria for the onset of convection and the formation of coherent structure...
Published 2011-09-01“…The obtained results are compared to those based on the Wavelets Technique and cloudiness derived from meteorological satellite images. …”
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13448
Event-related theta power during lexical-semantic retrieval and decision conflict is modulated by alcohol intoxication: anatomically-constrained MEG
Published 2012-04-01“…High density whole head MEG signals and midline scalp EEG data were decomposed for each trial with Morlet wavelets. Each person’s reconstructed cortical surface was used to constrain noise-normalized distributed minimum norm inverse solutions for theta frequencies. …”
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13449
A Sparsity Detection Framework for On–Off Random Access Channels
Published 2010Get full text
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13450
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13451
Atrial fibrillation dynamics and ionic block effects in six heterogeneous human 3D virtual atria with distinct repolarization dynamics
Published 2017“…Specific inhibitions of IK1, INaK or INa reduce DF and organization of the arrhythmia by enlarging wave meandering, reducing the number of secondary wavelets and promoting inter-atrial block in all six virtual patients, especially for the phenotypes with short APD at 20, 50 and/or 90% repolarization. …”
Journal article -
13452
Using non-linear vibration techniques to detect damage in concrete bridges
Published 2001“…Several time-frequency distribution estimation tools are discussed including the discrete Fourier Transform moving window, the auto-regressive model moving window, harmonic wavelets and examples of the Cohen class of bilinear time-frequency distributions. …”
Thesis -
13453
Atrial Fibrillation Mechanisms and Implications for Catheter Ablation
Published 2018-10-01“…Many theories were advanced to explain the perpetuation of this form of AF, ranging from a single localized focal and reentrant source to diffuse bi-atrial multiple wavelets. Translating these mechanisms to the clinical practice remains challenging and limited by the spatio-temporal resolution of the mapping techniques. …”
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13454
Towards a Real-Time Oil Palm Fruit Maturity System Using Supervised Classifiers Based on Feature Analysis
Published 2022-09-01“…This paper describes the design and implementation of a real-time fresh fruit bunch (FFB) maturity classification system for palm oil based on unrestricted remote sensing (CCD camera sensor) and image processing techniques using five multivariate techniques (statistics, histograms, Gabor wavelets, GLCM and BGLAM) to extract fruit image characteristics and incorporate information on palm oil species classification FFB and maturity testing. …”
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13455
Laser Welding Quality Monitoring via Graph Support Vector Machine With Data Adaptive Kernel
Published 2019-01-01“…The signals from the laser back reflection and optical and acoustic emissions were recorded during the laser welding process and were decomposed with the $M$ -band wavelets. The relative energies of narrow frequency bands were taken as descriptive features. …”
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13456
Intelligent Data Analysis for Biomedical Applications : Challenges and Solutions /
Published 2019Get full text
software, multimedia -
13457
Comparison of ring 1 parameters in 37-segment multifocal electroretinography between onset and offset conditions of ring 2 to 4 in normal subjects
Published 2019-01-01“…The positive wave is more enhanced compared to that of the conventional protocol and it elongated into two wavelets.…”
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13458
Quantifying the spatial dimension of dengue virus epidemic spread within a tropical urban environment.
Published 2010-01-01“…Spatial (local k-function, angular wavelets) and space-time (Knox test) analyses quantified the intensity and directionality of clustering of dengue cases, whereas a semi-parametric Bayesian space-time regression assessed the impact of IRS and spatial autocorrelation in the odds of weekly dengue infection. …”
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13459
Calcium-Dependent Ion Channels and the Regulation of Arteriolar Myogenic Tone
Published 2021-11-01“…Endothelial IP3Rs produce Ca2+ pulsars, Ca2+ wavelets, Ca2+ waves and increased global Ca2+ levels activating EC sKCa and IKCa channels and causing Ca2+-dependent production of endothelial vasodilator autacoids such as NO, prostaglandin I2 and epoxides of arachidonic acid that mediate negative-feedback regulation of myogenic tone. …”
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13460
ClinoformNet-1.0: stratigraphic forward modeling and deep learning for seismic clinoform delineation
Published 2023-05-01“…We further simulate synthetic seismic data by convolving reflectivity models (converted from impedance models) with Ricker wavelets (with various peak frequencies) and adding real noise extracted from field seismic data. …”
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