Frequency-domain ultrasound waveform tomography breast attenuation imaging

Gursharan Yash Singh Sandhu; Cuiping Li; Olivier Roy; Erik West; Katelyn Montgomery; Michael Boone; Neb Duric

doi:10.1117/12.2218374

1 April 2016 Frequency-domain ultrasound waveform tomography breast attenuation imaging

Gursharan Yash Singh Sandhu, Cuiping Li, Olivier Roy, Erik West, Katelyn Montgomery, Michael Boone, Neb Duric

Author Affiliations +

Proceedings Volume 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography; 97900C (2016) https://doi.org/10.1117/12.2218374
Event: SPIE Medical Imaging, 2016, San Diego, California, United States

Abstract

Ultrasound waveform tomography techniques have shown promising results for the visualization and characterization of breast disease. By using frequency-domain waveform tomography techniques and a gradient descent algorithm, we have previously reconstructed the sound speed distributions of breasts of varying densities with different types of breast disease including benign and malignant lesions. By allowing the sound speed to have an imaginary component, we can model the intrinsic attenuation of a medium. We can similarly recover the imaginary component of the velocity and thus the attenuation. In this paper, we will briefly review ultrasound waveform tomography techniques, discuss attenuation and its relations to the imaginary component of the sound speed, and provide both numerical and ex vivo examples of waveform tomography attenuation reconstructions.

Citation Download Citation

Gursharan Yash Singh Sandhu, Cuiping Li, Olivier Roy, Erik West, Katelyn Montgomery, Michael Boone, and Neb Duric "Frequency-domain ultrasound waveform tomography breast attenuation imaging", Proc. SPIE 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography, 97900C (1 April 2016); https://doi.org/10.1117/12.2218374

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