Results 1 to 10 of about 321,454 (242)

Coarse-graining and the Haar wavelet transform for multiscale analysis [PDF]

open access: yesBioelectronic Medicine, 2022
Background Multiscale entropy (MSE) has become increasingly common as a quantitative tool for analysis of physiological signals. The MSE computation involves first decomposing a signal into multiple sub-signal ‘scales’ using a coarse-graining algorithm ...
William J. Bosl   +2 more
doaj   +3 more sources

Underwater image restoration with Haar wavelet transform and ensemble of triple correction algorithms using Bootstrap aggregation and random forests [PDF]

open access: yesScientific Reports, 2022
This paper presents both a new strategy for traditional underwater image restoration using Haar wavelet transform as well as a new learned model that generates an ensemble of triple correction algorithm labels based on histogram quadrants’ cumulative ...
Vahid Rowghanian
doaj   +3 more sources

Free vibration analysis of tapered Timoshenko beam with higher order Haar wavelet method [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2022
In the current study, the higher order Haar wavelet method based formulation is developed for the analysis of the free vibrations of the tapered Timoshenko beam. The clamped-clamped and clamped-pinned boundary conditions are explored and the results with
Marmar Mehrparvar   +3 more
doaj   +2 more sources

Solving Nonlinear Boundary Value Problems Using the Higher Order Haar Wavelet Method

open access: yesMathematics, 2021
The current study is focused on development and adaption of the higher order Haar wavelet method for solving nonlinear ordinary differential equations. The proposed approach is implemented on two sample problems—the Riccati and the Liénard equations. The
Mart Ratas, Jüri Majak, Andrus Salupere
doaj   +2 more sources

Application of higher order Haar wavelet method for solving nonlinear evolution equations

open access: yesMathematical Modelling and Analysis, 2020
The recently introduced higher order Haar wavelet method is treated for solving evolution equations. The wave equation, the Burgers’ equations and the Korteweg-de Vries equation are considered as model problems.
Mart Ratas, Andrus Salupere
doaj   +2 more sources

HWANet: A Haar Wavelet-based Attention Network for remote sensing object detection. [PDF]

open access: yesPLoS ONE
Remote sensing object detection (RSOD) is highly challenging due to large variations in object scales. Existing deep learning-based methods still face limitations in addressing this challenge.
Baohua Jin   +8 more
doaj   +2 more sources

Image Compression using Haar and Modified Haar Wavelet Transform

open access: yesTikrit Journal of Engineering Sciences, 2011
Efficient image compression approaches can provide the best solutions to the recent growth of the data intensive and multimedia based applications. As presented in many papers the Haar matrix–based methods and wavelet analysis can be used in various ...
Mohannad Abid Shehab Ahmed   +2 more
doaj   +3 more sources

Numerical Solution for Linear State Space Systems using Haar Wavelets Method

open access: yesمجلة بغداد للعلوم, 2022
In this research, Haar wavelets method has been utilized to approximate a numerical solution for Linear state space systems. The solution technique is used Haar wavelet functions and Haar wavelet operational matrix with the operation to transform the ...
Waleeda swaidan ali, Haleema S. Ali
doaj   +1 more source

Haar wavelet collocation method for linear first order stiff differential equations [PDF]

open access: yesITM Web of Conferences, 2020
In general, there are countless types of problems encountered from different disciplines that can be represented by differential equations. These problems can be solved analytically in simpler cases; however, computational procedures are required for more ...
Atay Mehmet Tarık   +4 more
doaj   +1 more source

Diabetic plantar pressure analysis using image fusion [PDF]

open access: yes, 2020
Plantar pressure images analysis is the key issue of designing comfortable shoe products through last customizing system, which has attracted the researchers’ curiosity toward image fusion as an application of medical and industrial imaging.
Ashour, Amira S.   +6 more
core   +1 more source

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