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Displacement Reconstructions in Ultrasound Elastography

Abstract : We consider the reconstruction of internal elastic displacements from ultrasound measurements , which finds applications in the medical imaging modality called elastography. By appropriate interferometry and windowed Fourier transforms of the ultrasound measurements, we propose a reconstruction procedure of the vectorial structure of spatially varying elastic displacements in biological tissues. This provides a modeling and generalization of scalar reconstruction procedures routinely used in elastography. The proposed algorithm is justified using a single scattering approximation and local asymptotic analysis. Its validity is assessed by numerical simulations.
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https://hal.inria.fr/hal-01188761
Contributor : Sébastien Imperiale <>
Submitted on : Monday, August 31, 2015 - 2:47:56 PM
Last modification on : Friday, April 30, 2021 - 9:55:52 AM
Long-term archiving on: : Tuesday, December 1, 2015 - 10:32:44 AM

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Guillaume Bal, Sébastien Imperiale. Displacement Reconstructions in Ultrasound Elastography. SIAM Journal on Imaging Sciences, Society for Industrial and Applied Mathematics, 2015, 8 (2), pp.1070-1089. ⟨10.1137/140988504⟩. ⟨hal-01188761⟩

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