TY - GEN
T1 - 3D Multi-plane Multi-resolution Shear Wave Elastography
AU - Elmeliegy, Abdelrahman
AU - Urban, Matthew W.
AU - Munday, Lynn B.
AU - Guddati, Murthy N.
N1 - Publisher Copyright:
© 2024 IEEE.
PY - 2024/9/22
Y1 - 2024/9/22
N2 - We utilize Full Waveform Inversion (FWI) framework to convert shear wave elastography (SWE) measurements on multiple planes to a single three-dimensional (3D) image of elasticity using gradient optimization to adjust the elasticity map until the mismatch between simulated and measured particle velocities is minimized. Several ideas are brought together to ensure the robustness and effectiveness of the proposed FWI: correlation-based matching between measurements and simulation, high-fidelity finite element simulation of 3D shear waves in incompressible elastic media, multi-resolution parametrization to help with convergence, multi-frequency continuation for finer resolution imaging, and multi-push illumination. With the help of in silico and phantom validation studies, the algorithm is shown to be effective in providing images outside the measurement plane, including reconstructing full 3D images from 2D SWE measurements.
AB - We utilize Full Waveform Inversion (FWI) framework to convert shear wave elastography (SWE) measurements on multiple planes to a single three-dimensional (3D) image of elasticity using gradient optimization to adjust the elasticity map until the mismatch between simulated and measured particle velocities is minimized. Several ideas are brought together to ensure the robustness and effectiveness of the proposed FWI: correlation-based matching between measurements and simulation, high-fidelity finite element simulation of 3D shear waves in incompressible elastic media, multi-resolution parametrization to help with convergence, multi-frequency continuation for finer resolution imaging, and multi-push illumination. With the help of in silico and phantom validation studies, the algorithm is shown to be effective in providing images outside the measurement plane, including reconstructing full 3D images from 2D SWE measurements.
KW - full waveform inversion
KW - multi-frequency imaging
UR - https://www.scopus.com/pages/publications/85216455414
U2 - 10.1109/UFFC-JS60046.2024.10794170
DO - 10.1109/UFFC-JS60046.2024.10794170
M3 - Conference contribution
AN - SCOPUS:85216455414
SN - 9798350371901
T3 - IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium, UFFC-JS 2024 - Proceedings
BT - IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium, UFFC-JS 2024 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium, UFFC-JS 2024
Y2 - 22 September 2024 through 26 September 2024
ER -