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Passive elastography: shear-wave tomography from physiological-noise correlation in soft tissues

Thomas Gallot 1 Stefan Catheline 1 Philippe Roux 2 Javier Brum 2 N. Benech 1 C. Negreira 1
1 ISTerre - Institut des Sciences de la Terre
2 Ondes et Structures
ISTerre - Institut des Sciences de la Terre
Abstract : Inspired by seismic-noise correlation and time reversal, a shear-wave tomography of soft tissues using an ultrafast ultrasonic scanner is presented here. Free from the need for controlled shear-wave sources, this passive elastography is based on Green's function retrieval and takes advantage of the permanent physiological noise of the human body.
Keywords : Frequency estimation Estimation Correlation Acoustics Tomography Green's function methods biological tissues biomechanics biomedical ultrasonics elastic waves elasticity liver noise phantoms physiology
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https://hal-insu.archives-ouvertes.fr/insu-00680313
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Submitted on : Monday, March 19, 2012 - 10:48:50 AM
Last modification on : Monday, July 19, 2021 - 11:22:02 AM

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Thomas Gallot, Stefan Catheline, Philippe Roux, Javier Brum, N. Benech, et al.. Passive elastography: shear-wave tomography from physiological-noise correlation in soft tissues. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2011, 58 (6), pp.1122-1126. ⟨10.1109/TUFFC.2011.1920⟩. ⟨insu-00680313⟩

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