Results 11 to 20 of about 56,544 (315)

An improved wavelet-ARIMA approach for forecasting metal prices [PDF]

open access: yes, 2014
Metal price forecasts support estimates of future profits from metal exploration and mining and inform purchasing, selling and other day-to-day activities in the metals industry.
Angus, Andrew   +3 more
core   +1 more source

Wavelet Lifting over Information-Based EEG Graphs for Motor Imagery Data Classification [PDF]

open access: yes, 2014
The imagination of limb movements offers an intuitive paradigm for the control of electronic devices via brain computer interfacing (BCI). The analysis of electroencephalographic (EEG) data related to motor imagery potentials has proved to be a difficult
Gan, John Q   +6 more
core   +1 more source

Empirical Wavelet Transform

open access: yesIEEE Transactions on Signal Processing, 2013
Some recent methods, like the Empirical Mode Decomposition (EMD), propose to decompose a signal accordingly to its contained information. Even though its adaptability seems useful for many applications, the main issue with this approach is its lack of theory. This paper presents a new approach to build adaptive wavelets. The main idea is to extract the
openaire   +3 more sources

Gyrator wavelet transform

open access: yesIET Image Processing, 2018
The gyrator transform is a linear canonical transform, which generates the rotation of an optical signal in position‐spatial frequency planes. Gyrator wavelet transform is a relatively newer optical information processing tool obtained by combining the gyrator transform with the wavelet transform.
Isha Mehra   +2 more
openaire   +1 more source

Spectral analysis of health and vegetables index using discrete wavelet transforms

open access: yes, 2022
: Sociophysics reveals that non-physical things of society can be understood and explained by the laws of physics. Health of people is one of the main parameters that decide the development of a country.
Prof. Anil Kumar
core   +1 more source

On the block wavelet transform applied to the boundary element method

open access: yes, 2004
This paper follows an earlier work by Bucher et al. [1] on the application of wavelet transforms to the boundary element method, which shows how to reuse models stored in compressed form to solve new models with the same geometry but arbitrary load cases
Bucher, HF   +3 more
core   +1 more source

Hijacking emergency granulopoiesis: Neutrophil ontogeny and reprogramming in cancer

open access: yesMolecular Oncology, EarlyView.
Neutrophils are highly plastic innate immune cells; their functions in cancer extend beyond the tumour microenvironment. This Review summarises current understanding of neutrophil maturation and heterogeneity and highlights tumour‐induced granulopoiesis as a systemic programme that expands immature, immunosuppressive neutrophils via tumour‐derived ...
Gabriela Marinescu, Yi Feng
wiley   +1 more source

Non-parametric linear time-invariant system identification by discrete wavelet transforms

open access: yes, 2006
We describe the use of the discrete wavelet transform (DWT) for non-parametric linear time-invariant system identification. Identification is achieved by using a test excitation to the system under test (SUT) that also acts as the analyzing function for ...
Luk, RWP   +3 more
core   +1 more source

Wavelet Estimators in Nonparametric Regression: A Comparative Simulation Study [PDF]

open access: yes, 2001
Wavelet analysis has been found to be a powerful tool for the nonparametric estimation of spatially-variable objects. We discuss in detail wavelet methods in nonparametric regression, where the data are modelled as observations of a signal contaminated ...
Theofanis Sapatinas   +5 more
core   +1 more source

Super‐Refractory Status Epilepticus (SRSE) in a Patient With Compound Heterozygous OPA1 Variants: Case Report and Literature Review

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Super‐Refractory Status Epilepticus (SRSE) is a rare, life‐threatening neurological emergency with unclear etiology in many cases. Mitochondrial dysfunction, often due to disease‐causing genetic variants, is increasingly recognized as a cause, with each gene producing distinct pathophysiological mechanisms.
Pouria Mohammadi   +2 more
wiley   +1 more source

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