Abstract
The geometrical acoustics theory is still an approach widely used when it comes to applications of ultrasonic methods to non destructive tests and characterization of acoustic properties of materials. In biomédical applications, however, results have demonstrated limited success, particularly in attempts to construct images of ultrasonic biological tissue parameters (wave velocity, amplitude attenuation, scattering, etc.). The main reason for this may be the great complexity of ultrasonic wave interactions with the living matter, not adequately covered by the assumptions of geometrical acoustics. Nevertheless this theory must still be explored in the biomédical field, starting from simple situations where a small number of variables can be considered (Shung, 1990, Liu, 1991).
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References
LIU, D.L. (1991), “Sound Velocity Inversion in Layered Media with Band-Limited and Noise-Corrupted Data”, IEEE — Transactions on Biomédical Engineering, vol. 38, no. 10, pp. 1042–1047.
PEREIRA, W.C. A. (1992), Método Ultra-sônico de Pulso — Eco para a Determinação Simultânea da Velocidade de Propagação da Onda e Espessuras em Meios Multicamadas, D.Sc. Thesis Biomédical Engineering Program/COPPE/UFRJ, Rio de Janeiro.
PEREIRA, W.C.A, LEEMAN, S. and MACHADO, J.C. (1992), “Ultrasound Velocity Imaging by a PulseEcho Technique”, Acoustical Imaging, vol. 19, pp 475–480.
PEREIRA, W.C.A & MACHADO, J.C. (1992), “Ultrasonic Focused Pulse-Echo Method for Determination of Propagation Velocity and Layer Thickness of Multilayered Media”, Proceedings of 14th Annual International Conference of the IEEE Engineering in Medicine and Biological Society, part 5 of 7, pp 2110–2111, Paris, France.
PEREIRA, W.C.A.; SIMPSON, D.M. e MACHADO, J.C. (1992), “An Estimator of Focal Position based on Geometric Acoustics”, IEEE — Ultrasonics Symposium, pages 323–325.
SHUNG, K.K. (1990), Basic Principles of Ultrasound Tissue Characterization. In: Noninvasive Techniques in Biology and Medicine, S.E. Freeman, E. Fukushima and E.R. Greene, Eds., San Francisco Press, pp.205–217.
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© 1996 Springer Science+Business Media New York
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Pereira, W.C.A., Greco, A.V.D., Machado, J.C. (1996). Ultrasonic Velocity Mapping of Multilayered Media. In: Tortoli, P., Masotti, L. (eds) Acoustical Imaging. Acoustical Imaging, vol 22. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8772-3_10
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DOI: https://doi.org/10.1007/978-1-4419-8772-3_10
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