Results 41 to 50 of about 73,738 (309)

A Review of Depth and Normal Fusion Algorithms

open access: yesSensors, 2018
Geometric surface information such as depth maps and surface normals can be acquired by various methods such as stereo light fields, shape from shading and photometric stereo techniques.
Doris Antensteiner   +2 more
doaj   +1 more source

Stability of geodesics in the Brownian map

open access: yes, 2016
The Brownian map is a random geodesic metric space arising as the scaling limit of random planar maps. We strengthen the so-called confluence of geodesics phenomenon observed at the root of the map, and with this, reveal several properties of its rich ...
Angel, Omer   +2 more
core   +3 more sources

Geodesic Generative Topographic Mapping

open access: yes, 2009
Nonlinear dimensionality reduction (NLDR) methods aim to provide a faithful low-dimensional representation of multivariate data. The manifold learning family of NLDR methods, in particular, do this by defining low-dimensional manifolds embedded in the observed data space.
Cruz Barbosa, Raúl   +1 more
openaire   +2 more sources

Geodesic mappings between Kahlerian spaces

open access: yesFilomat, 2002
Geodesic mappings from a Kahlerian space Kn onto a Kahlerian space Kn will be investigated in this paper. We present a construction of Kahlerian space Kn which admits non-trivial geodesic mapping onto Kahlerian space Kn.
Josef Mikes, Olga Pokorna, Galina Starko
openaire   +2 more sources

On a Lagrangian formulation of the incompressible Euler equation

open access: yes, 2016
In this paper we show that the incompressible Euler equation on the Sobolev space $H^s(\R^n)$, $s > n/2+1$, can be expressed in Lagrangian coordinates as a geodesic equation on an infinite dimensional manifold. Moreover the Christoffel map describing the
Inci, Hasan
core   +1 more source

Scattering rigidity with trapped geodesics [PDF]

open access: yes, 2012
We prove that the flat product metric on $D^n\times S^1$ is scattering rigid where $D^n$ is the unit ball in $\R^n$ and $n\geq 2$. The scattering data (loosely speaking) of a Riemannian manifold with boundary is map $S:U^+\partial M\to U^-\partial M ...
CHRISTOPHER CROKE, Mukhometov, Pestov
core   +2 more sources

Simplified Expansions of Common Latitudes with Geodetic Latitude and Geocentric Latitude as Variables

open access: yesApplied Sciences, 2022
Using the symbolic calculation program Mathematica and based on the power series expansions of the common latitude with geodetic latitude as a variable, power series expansions of the common latitude with geocentric latitude as the variable are derived ...
Xiaoyong Li   +4 more
doaj   +1 more source

Wandering continua for rational maps

open access: yes, 2015
We prove that a Latt' es map admits an eventually simply-connected wandering continuum precisely when it is flexible.
Cui, Guizhen, Gao, Yan
core   +1 more source

A note on geodesic and almost geodesic mappings of homogeneous Riemannian manifolds [PDF]

open access: yesOpuscula Mathematica, 2005
Let \(M\) be a differentiable manifold and denote by \(\nabla\) and \(\tilde{\nabla}\) two linear connections on \(M\). \(\nabla\) and \(\tilde{\nabla}\) are said to be geodesically equivalent if and only if they have the same geodesics.
Stanisław Formella
doaj  

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