ArticleUltrasonics2021
Dispersion curve calculation in viscoelastic tissue-mimicking materials using non-parametric, parametric, and high-resolution methods.
Article in Ultrasonics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Super-resolution wave-dispersion analysis in optical coherence elastography using multiple signal classification (MUSIC).Biomedical optics express · 2026Article
- Local phase velocity imaging with wavenumber filter banks for ultrasound shear wave elastography.Computer methods and programs in biomedicine · 2025Article
- Shear wave elastography primer for the abdominal radiologist.Abdominal radiology (New York) · 2025Review
- Estimation of the phase velocity dispersion curves for viscoelastic materials using Point Limited Shear Wave Elastography.Ultrasonics · 2025Article
- Estimation of In Vivo Human Carotid Artery Elasticity Using Arterial Dispersion Ultrasound Vibrometry.Ultrasound in medicine & biology · 2025Article
- Evaluation of Robustness of S-Transform Based Phase Velocity Estimation in Viscoelastic Phantoms and Renal Transplants.IEEE transactions on bio-medical engineering · 2024Article
- Kidney cortex shear wave motion simulations based on segmented biopsy histology.Computer methods and programs in biomedicine · 2024Article
- The lens capsule significantly affects the viscoelastic properties of the lens as quantified by optical coherence elastography.Frontiers in bioengineering and biotechnology · 2023Article
- Improved two-point frequency shift power method for measurement of shear wave attenuation.Ultrasonics · 2022Article
- Comprehensive experimental assessments of rheological models' performance in elastography of soft tissues.Acta biomaterialia · 2022Article
- Viscoelastic parameter estimation using simulated shear wave motion and convolutional neural networks.Computers in biology and medicine · 2021Article
- Multimodal guided wave inversion for arterial stiffness: methodology and validation in phantoms.Physics in medicine and biology · 2021Article
- Phase Velocity Estimation With Expanded Bandwidth in Viscoelastic Phantoms and Tissues.IEEE transactions on medical imaging · 2021Article
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2 authors.
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Abstract
Ultrasound shear wave elastography is a modality used for noninvasive, quantitative evaluation of soft tissue mechanical properties. A common way of exploring the tissue viscoelasticity is through analyzing the shear wave velocity dispersion curves. The variation of phase velocity with frequency or wavelength is called the dispersion curve. An increase of the available spectrum to be used for phase velocity estimation is meaningful for a tissue dispersion analysis in vivo. A number of available methods for dispersion relation estimation exist which can give diffuse results due the presence of noise in the measured data. In this work we compare six selected methods used for dispersion curve calculation in viscoelastic materials. Non-parametric, parametric and high-resolution methods were examined and compared. We tested selected methods on digital phantom data created using finite-difference-based method in tissue-mimicking viscoelastic media as well as on the experimental custom tissue-mimicking phantoms. In addition, we evaluated the algorithms with different levels of added white Gaussian noise to the shear wave particle velocity from numerical phantoms. Tests conducted showed that more advanced methods can offer better frequency resolution, and less variance than the fast Fourier transform. In addition, the non-parametric Blackman-Tukey approach exhibits similar performance and can be interchangeably used for shear wave phase velocity dispersion curves calculation.
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