Zobrazeno 1 - 10
of 8 577
pro vyhledávání: '"Anisotropic Diffusion"'
Autor:
Luc Florack, Rick Sengers
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
This paper proposes a statistical physics-based data assimilation model for the mobility of water-bound hydrogen nuclear spins in the brain in the context of diffusion weighted magnetic resonance imaging (DWI or DW-MRI). Point of departure is a stati
Externí odkaz:
https://doaj.org/article/7b87d35ac9b54318be23d61d3044c983
Autor:
Mohammad Ivan Azis
Publikováno v:
SoftwareX, Vol 27, Iss , Pp 101804- (2024)
Variable coefficient equations are usually used as governing equations for modeling problems which are associated with Functionally Graded Materials (FGM). Version 1.1 - 2D-xtDCR-LTBEM is a Fortran code that can be used to find numerical solutions of
Externí odkaz:
https://doaj.org/article/ec4f8f82d66d42a3be77658ce2552a79
Autor:
Yahya Moradi Chaleshtori, Saeid Yarmohammadi, Reza Mohebian, Behnia Azizzadeh Mehmandoust Olya
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 58, Iss 2, Pp 221-227 (2024)
The micro-resistivity imaging log is a crucial tool for measuring the heterogeneous features of a formation. It objectively and quantitatively describes various reservoir characteristics, including fine structures, thin strata, fissures, and sediment
Externí odkaz:
https://doaj.org/article/ec70ae7371b94721a0b74ace748a195d
Publikováno v:
Journal of Optimization, Differential Equations and Their Applications, Vol 32, Iss 1, Pp 1-32 (2024)
Mostly motivated by the practical applications especially in the field of satellite remote sensing of agricultural territories, we develop a novel approach to the domain decomposition basing on the anisotropic version of the Chan-Vese active contour
Externí odkaz:
https://doaj.org/article/b3d592be40d5403abc78e64a14c82c1d
Autor:
Xiaoli Li, Jinsong Chen, Longlong Zhao, Hongzhong Li, Jin Wang, Luyi Sun, Shanxin Guo, Pan Chen, Xuemei Zhao
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 7621-7639 (2024)
Superpixel segmentation is an essential step of object-oriented remote sensing image classification; the accuracy of the superpixel segmentation boundary will directly affect the classification result. Most of the traditional superpixel segmentation
Externí odkaz:
https://doaj.org/article/63e2200c5fb949428aebb49d911fba79
Autor:
Juan I. Ramos
Publikováno v:
Computation, Vol 12, Iss 11, p 214 (2024)
The effects of relaxation, convection, and anisotropy on a two-dimensional, two-equation system of nonlinearly coupled, second-order hyperbolic, advection–reaction–diffusion equations are studied numerically by means of a three-time-level lineari
Externí odkaz:
https://doaj.org/article/75ce02835f234c0e9334712ddab61880
A New Fractional-order Derivative-based Nonlinear Anisotropic Diffusion Model for Biomedical Imaging
Publikováno v:
Chaos Theory and Applications, Vol 5, Iss 3, Pp 198-206 (2023)
Medical imaging, the process of visual representation of different organs and tissues of the human body, is employed for monitoring the normal as well as abnormal anatomy and physiology of the body. Imaging which can provide healthcare solutions ensu
Externí odkaz:
https://doaj.org/article/f346fc7b41bb4d19962a18fdaf666dd9
Publikováno v:
Mathematics in Engineering, Vol 5, Iss 6, Pp 1-32 (2023)
In this paper, we discuss the accuracy and the robustness of the mixed Virtual Element Methods when dealing with highly anisotropic diffusion problems. In particular, we analyze the performance of different approaches which are characterized by diffe
Externí odkaz:
https://doaj.org/article/2cda8ad3ea494d059fa7811d58a4aec6
Autor:
Shengying Mu, Yanhui Zhou
Publikováno v:
AIMS Mathematics, Vol 8, Iss 10, Pp 22507-22537 (2023)
In this work, we construct and study a special isoparametric bilinear finite volume element scheme for solving anisotropic diffusion problems on general convex quadrilateral meshes. The new scheme is obtained by employing the Simpson rule to approxim
Externí odkaz:
https://doaj.org/article/d1aa4ad768a24d38b0954ab6c7b65bdc