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Proceedings Paper

Modification of Kirchhoff migration with variable sound speed and attenuation for tomographic imaging of the breast
Author(s): Steven Schmidt; Olivier Roy; Cuiping Li; Nebojsa Duric; Zhi-Feng Huang
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Paper Abstract

Conventional ultrasound techniques use beam-formed, constant sound speed ray models for fast image reconstruction. However, these techniques are inadequate for the emerging new field of ultrasound tomography (UST). We present a new technique for the reconstruction of reflection images from UST data. We have extended the planar Kirchhoff migration method used in geophysics, and combined it with sound speed and attenuation data obtained from the transmission signals to create reflection ultrasound images that are corrected for refractive and attenuative effects. The resulting technique was applied to in-vivo breast data obtained with an experimental prototype. The results indicate that sound speed and attenuation corrections lead to considerable improvements in image quality, particularly in dense tissues where the refractive and scattering effects are the greatest.

Paper Details

Date Published: 25 March 2011
PDF: 11 pages
Proc. SPIE 7968, Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy, 796804 (25 March 2011); doi: 10.1117/12.878210
Show Author Affiliations
Steven Schmidt, Karmanos Cancer Institute (United States)
Olivier Roy, Karmanos Cancer Institute (United States)
Cuiping Li, Karmanos Cancer Institute (United States)
Nebojsa Duric, Karmanos Cancer Institute (United States)
Zhi-Feng Huang, Wayne State Univ. (United States)

Published in SPIE Proceedings Vol. 7968:
Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy
Jan D'hooge; Marvin M. Doyley, Editor(s)

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