Contrast source inversion (CSI) for cross-hole radio imaging (RIM) data – Part 1: Theory and synthetic studies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2018.12.002
Abstract: Abstract The 2D contrast source inversion (CSI) method is introduced for interpreting cross-hole radio imaging (RIM) data. The contrast source is defined as the product of the electric field and the object profile, the latter… read more here.
Keywords: inversion; source inversion; model; csi ... See more keywords
Contrast source inversion of sparse targets through multi-resolution Bayesian compressive sensing
Sign Up to like & getrecommendations! Published in 2024 at "Inverse Problems"
DOI: 10.1088/1361-6420/ad3b33
Abstract: The retrieval of non-Born scatterers is addressed within the contrast source inversion (CSI) framework by means of a novel multi-step inverse scattering method that jointly exploits prior information on the class of targets under investigation… read more here.
Keywords: multi resolution; contrast source; bayesian compressive; source inversion ... See more keywords
Field-Based Discretization of the 3-D Contrast Source Inversion Method Applied to Brain Stroke Microwave Imaging
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology"
DOI: 10.1109/jerm.2024.3414196
Abstract: The contrast source inversion method is an iterative non-linear algorithm, and, in this paper, it works in combination with a finite element method solver for the reconstruction of the dielectric properties' distribution in the head… read more here.
Keywords: contrast source; method; brain stroke;
ROI Limited Unknowns Reduction-Based Contrast Source Inversion for Microwave Breast Imaging
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.3030054
Abstract: This letter introduces an accuracy-enhanced microwave imaging algorithm on the basis of contrast source inversion, aimed at a quantitative microwave breast cancer imaging scenario. The unknowns in the inverse scattering scheme form the most common… read more here.
Keywords: source inversion; imaging; microwave breast; breast ... See more keywords
TDOA Prior-Based Contrast Source Inversion for Microwave Ablation Zone Quantitative Imaging
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2025.3538218
Abstract: This study presents an efficient quantitative microwave imaging method for ablation zones in microwave breast cancer treatment. To maintain an accurate estimate of complex permittivity changes during the ablation process, we integrate the time-of-difference-of-arrival-based ablation… read more here.
Keywords: ablation; contrast source; tdoa prior; source inversion ... See more keywords
3-D Contrast Source Inversion-Electrical Properties Tomography
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2018.2816125
Abstract: Contrast source inversion-electrical properties tomography (CSI-EPT) is an iterative reconstruction method to retrieve the electrical properties (EPs) of tissues from magnetic resonance data. The method is based on integral representations of the electromagnetic field and… read more here.
Keywords: inversion electrical; csi ept; source inversion; electrical properties ... See more keywords
Hybridizable Discontinuous Galerkin Method Contrast Source Inversion of 2-D and 3-D Dielectric and Magnetic Targets
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2019.2905214
Abstract: We present a microwave imaging algorithm capable of simultaneously reconstructing electric and magnetic targets from both electric and magnetic field measurement data, with support for arbitrary imaging system boundaries and inhomogeneous background media. A high-order… read more here.
Keywords: source inversion; discontinuous galerkin; galerkin method; magnetic targets ... See more keywords
ICSI: an improved contrast source inversion method for electromagnetic inverse scattering problems.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.476681
Abstract: An improved contrast source inversion method (ICSI) is proposed to solve the problem of electromagnetic inverse scattering. Specifically, we first resort Fourier bases to represent contrast source, so that we can solve contrast source in… read more here.
Keywords: improved contrast; contrast; source inversion; contrast source ... See more keywords
Deep Learning-Enhanced Iterative Modified Contrast Source Method for Electromagnetic Imaging in Half-Space
Sign Up to like & getrecommendations! Published in 2025 at "Mathematics"
DOI: 10.3390/math13223711
Abstract: This paper presents a hybrid inversion framework that integrates a physics-informed iterative algorithm with a deep learning-based refinement strategy to address the electromagnetic inverse scattering problem of a uniaxial object buried in lossy half-space environments.… read more here.
Keywords: deep learning; modified contrast; contrast source; contrast ... See more keywords