Evaluation of a material parameter extraction algorithm using MRI-based displacement measurements

• Published in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control Vol. 47; no. 6; pp. 1575 - 1581
• Main Authors: Romano, A.J., Bucaro, J.A., Ehnan, R.L., Shirron, J.J.
• Format: Journal Article
• Language: English
• Published: New York, NY IEEE 01.11.2000; Institute of Electrical and Electronics Engineers; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Acoustical measurements and instrumentation; Acoustics; Algorithms; Biological and medical sciences; Data mining; Displacement; Displacement measurement; Exact sciences and technology; Excitation; Filtering; Filtration; Fundamental areas of phenomenology (including applications); Imaging phantoms; Inversions; Investigative techniques, diagnostic techniques (general aspects); Magnetic resonance imaging; Magnetic separation; Materials testing; Medical sciences; Miscellaneous. Technology; Parameter extraction; Physics; Radiodiagnosis. Nmr imagery. Nmr spectrometry; Shear; Time measurement; Ultrasonics, quantum acoustics, and physical effects of sound; Velocity measurement; X-ray imaging; Performance evaluation; Parameter estimation; Filtering; Propagation velocity; Longitudinal wave; Elastic wave; Monochromatic radiation; Experimental study; Nuclear magnetic resonance imaging; Heterogeneous wave; Algorithm performance; Displacement measurement; Properties of materials; S wave; Measurement method; Wave velocity; Wave number

The performance of an inversion algorithm is investigated when applied to measured displacement data for a determination of the material parameters /sup /spl lambda/+2/spl mu///sub /spl rho// (longitudinal wave velocity squared) and /sup /spl mu///sub /spl rho// (shear wave velocity squared) through...