Tomography from diffuse waves: Passive shear wave imaging using low frame rate scanners

被引：38

作者：

Catheline, S. ^{[1
]}

Souchon, R. ^{[1
]}

Rupin, M. ^{[2
]}

Brum, J. ^{[3
]}

Dinh, A. H. ^{[1
]}

Chapelon, J. -Y. ^{[1
]}

机构：

[1] Univ Lyon, INSERM, LabTAU U1032, Lyon, France

[2] Univ Grenoble, CNRS, ISTERRE, Grenoble, France

[3] Univ Republica, Fac Ciencias, Inst Fis, Montevideo, Uruguay

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 01期

关键词：

GREENS-FUNCTION; RESONANCE ELASTOGRAPHY; CROSS-CORRELATION; SONOELASTICITY; FIELDS; NOISE;

D O I：

10.1063/1.4812515

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present an approach to extract from the local measurement of a complex field a wavelength tomography. In contrast with noise correlation techniques developed in recent years in seismology or ultrasound, field measurement is under-sampled which opens applications to slow imaging devices. Through simulations and experiments, it is demonstrated that the loss of time and/or spatial coherence of the field measurement is not an obstacle for tomography reconstruction. We present an application in shear wave imaging: a conventional ultrasonic scanner working at 25 Hz is tested in a medical phantom and in the thyroid of a healthy volunteer. (C) 2013 AIP Publishing LLC.

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页数：5

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