Waveform inversion with source encoding for breast sound speed reconstruction in ultrasound computed tomography

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Kun WangMark A Anastasio

Abstract

Ultrasound computed tomography (USCT) holds great promise for improving the detection and management of breast cancer. Because they are based on the acoustic wave equation, waveform inversion-based reconstruction methods can produce images that possess improved spatial resolution properties over those produced by ray-based methods. However, waveform inversion methods are computationally demanding and have not been applied widely in USCT breast imaging. In this work, source encoding concepts are employed to develop an accelerated USCT reconstruction method that circumvents the large computational burden of conventional waveform inversion methods. This method, referred to as the waveform inversion with source encoding (WISE) method, encodes the measurement data using a random encoding vector and determines an estimate of the sound speed distribution by solving a stochastic optimization problem by use of a stochastic gradient descent algorithm. Both computer simulation and experimental phantom studies are conducted to demonstrate the use of the WISE method. The results suggest that the WISE method maintains the high spatial resolution of waveform inversion methods while significantly reducing the computational burden.

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Citations

Mar 23, 2017·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Thomas P MatthewsMark A Anastasio
Oct 24, 2017·Journal of Medical Imaging·Rungroj JintamethasawatOliver D Kripfgans
Jul 8, 2017·Physics in Medicine and Biology·Simon BernardPhilippe Lasaygues
Jul 3, 2020·The Journal of the Acoustical Society of America·Ulas Taskin, Koen W A van Dongen
Apr 5, 2017·The Journal of the Acoustical Society of America·M Pérez-LivaB E Treeby
Oct 31, 2017·BioMed Research International·Shibin WuYaoqin Xie
Sep 2, 2019·The Journal of the Acoustical Society of America·Naiara Korta MartiartuAndreas Fichtner
Jun 4, 2020·The Journal of the Acoustical Society of America·Etienne Bachmann, Jeroen Tromp
Jan 11, 2017·Physics in Medicine and Biology·Or Perlman, Haim Azhari
Apr 21, 2018·Ultrasonics·Rungroj JintamethasawatOliver D Kripfgans

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