Results 251 to 260 of about 133,828 (342)

Analysis of hybrid integer wavelet transform and singular value decomposition for image steganography under various noise conditions. [PDF]

Sci Rep
Chinnusami M, Kolli D, Shreela S, Anbazhagan R, Amirtharajan R.   +4 more
europepmc   +1 more source

A highly accurate numerical method for solving boundary value problem of generalized Bagley‐Torvik equation

Mathematical Methods in the Applied Sciences, EarlyView.
A highly accurate numerical method is given for the solution of boundary value problem of generalized Bagley‐Torvik (BgT) equation with Caputo derivative of order 0<β<2$$ 0<\beta <2 $$ by using the collocation‐shooting method (C‐SM). The collocation solution is constructed in the space Sm+1(1)$$ {S}_{m+1}^{(1)} $$ as piecewise polynomials of degree at ...
Suzan Cival Buranay, Mtema James Chin, Nazim I. Mahmudov   +2 more
wiley   +1 more source

The Combined Effects of Variable Viscosity and Thermal Conductivity of An Unsteady Casson Fluid Flow Along a Vertical Porous Channel With Convective Cooling Walls, Using the Bivariate Spectral Local Linearization Method

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT This study examines the combined impact of different thermal conductivity and viscosity on unsteady non‐Newtonian Casson fluid flow of incompressible, electrical conductivity in a porous vertical channel with convective cooling walls, uniform magnetic field, and constant pressure gradient.
A. S. Adeyemo, Precious Sibanda, S. P. Goqo   +2 more
wiley   +1 more source

Enhancing image compression through a novel Structural Fidelity Weighted Ensemble (SFWE) model. [PDF]

MethodsX
I PSM, Siddalingappa R, M V, S D, P MS, M K.   +5 more
europepmc   +1 more source

Mathematical Analysis and Simulations of a Cancer Model With Interleukins and Delayed Immunotherapy

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT A new system of delayed differential equations for tumor‐immune system interactions is proposed and studied. The system describes the interactions between tumor cells and the immune system at the most aggressive phase of cancer, where tumor cells have developed mechanisms from earlier stages to evade immune responses.
Laid Boudjellal, Ana Jacinta Soares, Maria Joana Torres   +2 more
wiley   +1 more source

DCT Underwater Image Enhancement Based on Attenuation Analysis. [PDF]

Sensors (Basel)
Wang L, Yang M, Pan C, Tao J.
europepmc   +1 more source

Linear Toroidal‐Inertial Waves on A Differentially Rotating Sphere with Application to Helioseismology: Modeling, Forward and Inverse Problems

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT This paper develops a mathematical framework for interpreting observations of solar inertial waves in an idealized setting. Under the assumption of purely toroidal linear waves on the sphere, the stream function of the flow satisfies a fourth‐order scalar equation.
Tram Thi Ngoc Nguyen, Damien Fournier, Laurent Gizon, Thorsten Hohage   +3 more
wiley   +1 more source

Direct FFT oversampling without zero-padding. [PDF]

Sci Rep
Donciu C, Temneanu MC, Serea E.
europepmc   +1 more source

A foundation model for rock thin-section images analysis. [PDF]

Commun Eng
Fan J, Yu X, Di Y, Lv T, Zhang R, Bao J, Liu Y, Li L, Pan X.   +8 more
europepmc   +1 more source

Multivariate Frequency and Amplitude Estimation for Unevenly Sampled Data Using and Extending the Lomb-Scargle Method. [PDF]

Sensors (Basel)
Seilmayer M, Wondrak T, Garcia F.
europepmc   +1 more source