Optimal paths for variants of the 2D and 3D Reeds–Shepp car with applications in image analysis

R Duits, SPL Meesters, JM Mirebeau… - Journal of Mathematical …, 2018 - Springer
We present a PDE-based approach for finding optimal paths for the Reeds–Shepp car. In
our model we minimize a (data-driven) functional involving both curvature and length …

3D inversion of full gravity gradient tensor data in spherical coordinate system using local north-oriented frame

Y Zhang, Y Wu, J Yan, H Wang, JAP Rodriguez… - Earth, planets and …, 2018 - Springer
In this paper, we propose an inverse method for full gravity gradient tensor data in the
spherical coordinate system. As opposed to the traditional gravity inversion in the Cartesian …

The effect of spatial truncation error on integral inversion of satellite gravity gradiometry data

M Eshagh - Advances in Space Research, 2011 - Elsevier
The satellite gravity gradiometry (SGG) data can be used for local modelling of the Earth's
gravity field. In this study, the SGG data in the local north-oriented and orbital frames are …

Uncertainties associated with integral-based solutions to geodetic boundary-value problems

P Novák, M Eshagh, M Pitoňák - Journal of Geodesy, 2024 - Springer
Physical geodesy applies potential theory to study the Earth's gravitational field in space
outside and up to a few km inside the Earth's mass. Among various tools offered by this …

GOCE downward continuation to the Earth's surface and improvements to local geoid modeling by FFT and LSC

DA Natsiopoulos, EG Mamagiannou, EA Pitenis… - Remote Sensing, 2023 - mdpi.com
One of the main applications of the gravity field and steady-state Ocean Circulation Explorer
(GOCE) satellite data is their combination with local gravity anomalies for geoid and gravity …

Non-singular expressions for the spherical harmonic synthesis of gravitational curvatures in a local north-oriented reference frame

E Hamáčková, M Šprlák, M Pitoňák, P Novák - Computers & Geosciences, 2016 - Elsevier
Third-order gradients of the gravitational potential (gravitational curvatures) have already
found some applications in geosciences. Observability of these parameters, describing the …

Determination of gravity anomaly at sea level from inversion of satellite gravity gradiometric data

M Eshagh, LE Sjöberg - Journal of Geodynamics, 2011 - Elsevier
Gravity gradients can be used to determine the local gravity field of the Earth. This paper
investigates downward continuation of all elements of the disturbing gravitational tensor at …

From satellite gradiometry data to subcrustal stress due to mantle convection

M Eshagh - Pure and Applied Geophysics, 2014 - Springer
Subcrustal stress induced by mantle convection can be determined by the Earth's
gravitational potential. In this study, the spherical harmonic expansion of the simplified …

Software for generating gravity gradients using a geopotential model based on an irregular semivectorization algorithm

M Eshagh, M Abdollahzadeh - Computers & Geosciences, 2012 - Elsevier
The spherical harmonic synthesis of second-order derivatives of geopotential is a task of
major concern when the spatial resolution of synthesis is high and/or a high-resolution …

On integral approach to regional gravity field modelling from satellite gradiometric data

M Eshagh - Acta Geophysica, 2011 - Springer
Solution of the gradiometric boundary value problems leads to three integral formulas. If we
are satisfied with obtaining a smooth solution for the Earth's gravity field, we can use the …