Multi-frequency subspace migration for imaging of perfectly conducting, arc-like cracks in full-and limited-view inverse scattering problems
WK Park - Journal of Computational Physics, 2015 - Elsevier
Multi-frequency subspace migration imaging techniques are usually adopted for the non-
iterative imaging of unknown electromagnetic targets, such as cracks in concrete walls or …
iterative imaging of unknown electromagnetic targets, such as cracks in concrete walls or …
Application of MUSIC algorithm in real-world microwave imaging of unknown anomalies from scattering matrix
WK Park - Mechanical Systems and Signal Processing, 2021 - Elsevier
In this contribution, we consider MUltiple SIgnal Classification (MUSIC)-type algorithm for a
non-iterative microwave imaging of small and arbitrary shaped extended anomalies located …
non-iterative microwave imaging of small and arbitrary shaped extended anomalies located …
On the application of orthogonality sampling method for object detection in microwave imaging
WK Park - IEEE Transactions on Antennas and Propagation, 2022 - ieeexplore.ieee.org
We consider a further development of the orthogonality sampling method (OSM) for a fast
localization of small object in microwave imaging (MI). In contrast to the scenarios …
localization of small object in microwave imaging (MI). In contrast to the scenarios …
[HTML][HTML] High resolution ultrasonic imaging of extended targets via combined match field and time delay beamforming
Ultrasound imaging using an active sensing array has been extensively studied in both time
domain and frequency domain. Subspace decomposition methods in match field …
domain and frequency domain. Subspace decomposition methods in match field …
Single-and multi-frequency direct sampling methods in a limited-aperture inverse scattering problem
Although the direct sampling method (DSM) has demonstrated its feasibility and robustness
for imaging of small inhomogeneities, mathematical analyses of DSM have been conducted …
for imaging of small inhomogeneities, mathematical analyses of DSM have been conducted …
MUSIC algorithm for location searching of dielectric anomalies from S-parameters using microwave imaging
Motivated by the biomedical engineering used in early-stage breast cancer detection, we
investigated the use of MUltiple SIgnal Classification (MUSIC) algorithm for location …
investigated the use of MUltiple SIgnal Classification (MUSIC) algorithm for location …
Asymptotic properties of MUSIC-type imaging in two-dimensional inverse scattering from thin electromagnetic inclusions
WK Park - SIAM Journal on Applied Mathematics, 2015 - SIAM
The main purpose of this paper is to study the structure of the well-known noniterative
MUltiple SIgnal Classification (MUSIC) algorithm for identifying the shape of extended …
MUltiple SIgnal Classification (MUSIC) algorithm for identifying the shape of extended …
Direct sampling method for imaging small dielectric inhomogeneities: analysis and improvement
The direct sampling method (DSM) has been introduced for non-iterative imaging of small
inhomogeneities and is known to be fast, robust, and effective for inverse scattering …
inhomogeneities and is known to be fast, robust, and effective for inverse scattering …
[HTML][HTML] Multi-frequency topological derivative for approximate shape acquisition of curve-like thin electromagnetic inhomogeneities
WK Park - Journal of Mathematical Analysis and Applications, 2013 - Elsevier
In this paper, we investigate a non-iterative imaging algorithm based on the topological
derivative in order to retrieve the shape of penetrable electromagnetic inclusions when their …
derivative in order to retrieve the shape of penetrable electromagnetic inclusions when their …
Topological derivative strategy for one-step iteration imaging of arbitrary shaped thin, curve-like electromagnetic inclusions
WK Park - Journal of Computational Physics, 2012 - Elsevier
In this manuscript, a fast imaging of thin, curve-like electromagnetic inclusions completely
hidden in the homogeneous domain with smooth boundaries is considered. By creating an …
hidden in the homogeneous domain with smooth boundaries is considered. By creating an …