Modification of Kirchhoff migration with variable sound speed and attenuation for tomographic imaging of the breast

Steven Schmidt; Olivier Roy; Cuiping Li; Nebojsa Duric; Zhi-Feng Huang

doi:10.1117/12.878210

25 March 2011 Modification of Kirchhoff migration with variable sound speed and attenuation for tomographic imaging of the breast

Steven Schmidt, Olivier Roy, Cuiping Li, Nebojsa Duric, Zhi-Feng Huang

Author Affiliations +

Proceedings Volume 7968, Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy; 796804 (2011) https://doi.org/10.1117/12.878210
Event: SPIE Medical Imaging, 2011, Lake Buena Vista (Orlando), Florida, United States

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.

Citation Download Citation

Steven Schmidt, Olivier Roy, Cuiping Li, Nebojsa Duric, and Zhi-Feng Huang "Modification of Kirchhoff migration with variable sound speed and attenuation for tomographic imaging of the breast", Proc. SPIE 7968, Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy, 796804 (25 March 2011); https://doi.org/10.1117/12.878210

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