Results 11 to 20 of about 1,183,554 (295)

Geometry Fidelity for Spherical Images [PDF]

open access: yes
Accepted at ECCV ...
Anders Christensen   +7 more
core   +7 more sources

Spherical geometry

open access: yes, 2023
This bachelor thesis deals with the description of sphere and spherical geometry. The second chapter defines the mathematical apparatus that we will need in the next part of the work.
Kokh, Konstantin
core   +2 more sources

Discrete spherical means of directional derivatives and Veronese maps [PDF]

open access: yes, 2011
We describe and study geometric properties of discrete circular and spherical means of directional derivatives of functions, as well as discrete approximations of higher order differential operators.
Alexander Belyaev   +8 more
core   +1 more source

Development of methods of analytical geometry of a sphere for solving geodesy and navigation tasks

open access: yesЗаписки Горного института, 2017
The article develops ideas and formulas of analytical geometry for spherical surface of the Earth globe in relation to main tasks of global geodesy and navigation.
G. I. Khudyakov
doaj   +1 more source

Stokes Equation in a Semi-Infinite Region: Generalization of the Lamb Solution and Applications to Marangoni Flows

open access: yesFluids, 2020
We consider the creeping flow of a Newtonian fluid in a hemispherical region. In a domain with spherical or nearly spherical geometry, the solution of the Stokes equation can be expressed as a series of spherical harmonics.
Goce Koleski, Thomas Bickel
doaj   +1 more source

Geometric Properties of Planar and Spherical Interception Curves

open access: yesAxioms, 2023
In this paper, some geometric properties of the plane interception curve defined by a nonlinear ordinary differential equation are discussed. Its parametric representation is used to find the limits of some triangle elements associated with the curve ...
Yagub N. Aliyev
doaj   +1 more source

How Slab Age and Width Combine to Dictate the Dynamics and Evolution of Subduction Systems: A 3‐D Spherical Study

open access: yesGeochemistry, Geophysics, Geosystems, 2022
Many of the factors expected to control the dynamics and evolution of Earth's subduction zones are under‐explored in an Earth‐like spherical geometry. Here, we simulate multi‐material free‐subduction of a complex rheology slab in a 3‐D spherical shell ...
Fangqin Chen   +4 more
doaj   +1 more source

Finsler geometry on higher order tensor fields and applications to high angular resolution diffusion imaging. [PDF]

open access: yes, 2009
We study 3D-multidirectional images, using Finsler geometry. The application considered here is in medical image analysis, specifically in High Angular Resolution Diffusion Imaging (HARDI) (Tuch et al. in Magn. Reson. Med.
Florack, L.M.J.   +9 more
core   +2 more sources

Navigation Course in Mathematical Examples – Utilization of the Spherical Geometry

open access: yesNaše More (Dubrovnik), 2017
The paper deals with applications of methods of spherical geometry in naval navigation. It summarises the essential knowledge of spherical geometry and presents some exercises and their solutions.
Marie Chodorová   +2 more
doaj   +1 more source

On Convex Subcomplexes of Spherical Buildings and Tits’ Center Conjecture [PDF]

open access: yes, 2009
In this thesis we study convex subcomplexes of spherical buildings. In particular, we are interested in a question of J. Tits which goes back to the 50’s, the so-called Center Conjecture.
Ramos Cuevas, Carlos
core   +1 more source

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