A new method in inverse scattering based on the topological derivative
GR Feijoo - Inverse Problems, 2004 - iopscience.iop.org
The problem of imaging objects embedded in a transparent homogeneous medium is
considered. It is assumed that the wavelength of the probing radiation is finite so that …
considered. It is assumed that the wavelength of the probing radiation is finite so that …
GPR imaging via qualitative and quantitative approaches
Abstract Ground Penetrating Radar (GPR) is a non-destructive imaging system able to
provide high-resolution images of the subsurface. From a theoretical point of view, it requires …
provide high-resolution images of the subsurface. From a theoretical point of view, it requires …
On the mathematical basis of the linear sampling method
The linear sampling method is an algorithm for solving the inverse scattering problem for
acoustic and electromagnetic waves. The method is based on showing that a linear integral …
acoustic and electromagnetic waves. The method is based on showing that a linear integral …
An application of shape optimization in the solution of inverse acoustic scattering problems
We consider the problem of determining the shape of an object immersed in an acoustic
medium from measurements obtained at a distance from the object. We recast this problem …
medium from measurements obtained at a distance from the object. We recast this problem …
Mindlin plate theory for damage detection: imaging of flexural inhomogeneities
The scattering of plate waves by localized damage or defects that can be modeled as
flexural inhomogeneities is examined within the framework of Mindlin plate theory. These …
flexural inhomogeneities is examined within the framework of Mindlin plate theory. These …
Imaging of small penetrable obstacles based on the topological derivative method
L Fernandez, R Prakash - Engineering Computations, 2022 - emerald.com
Purpose The purpose of this paper is to present topological derivatives-based reconstruction
algorithms to solve an inverse scattering problem for penetrable obstacles …
algorithms to solve an inverse scattering problem for penetrable obstacles …
Combined far‐ield operators in electromagnetic inverse scattering theory
We consider the inverse scattering problem of determining the shape of a perfect conductor
D from a knowledge of the scattered electromagnetic wave generated by a time‐harmonic …
D from a knowledge of the scattered electromagnetic wave generated by a time‐harmonic …
Microwave Imaging of Small Scatterers: Linking and Comparing the Beam-Forming and the Orthogonality Sampling Method
Advancements in sensor array technology and radar imaging applications continue to
trigger the research towards the development of new imaging algorithms. The orthogonality …
trigger the research towards the development of new imaging algorithms. The orthogonality …
A comparison and extensions of algorithms for quantitative imaging of laminar damage in plates. II. Non-monopole scattering and noise tolerance
A generalisation of diffraction tomography that is applicable for mixed-mode Lamb wave
imaging is derived, subject to clearly stated simplifying assumptions. The resulting algorithm …
imaging is derived, subject to clearly stated simplifying assumptions. The resulting algorithm …
Localizing thin metallic cylinders by a 2.5-D linear distributional approach: Experimental results
R Solimene, A Brancaccio, J Romano… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
The problem of detecting and localizing" thin" metallic scatterers from electromagnetic
scattered field measurements is addressed. The scatterers are assumed to be infinitely long …
scattered field measurements is addressed. The scatterers are assumed to be infinitely long …