Breast ultrasound tomography has the potential to improve the cost, safety, and reliability of breast cancer screening and diagnosis over the gold-standard of mammography. Vital to achieving this potential is the development of imaging algorithms to unravel the complex anatomy of the breast and its mechanical properties. The solution most commonly relied upon is time-of-flight tomography, but this exhibits low resolution due to the presence of diffraction effects. Iterative full-wave inversion methods present one solution to achieve higher resolution, but these are slow and are not guaranteed to converge to the correct solution. Presented here is HARBUT, the hybrid algorithm for robust breast ultrasound tomography, which utilizes the complementary strengths of time-of-flight and diffraction tomography resulting in a direct, fast, robust and accurate high resolution method of reconstructing the sound speed through the breast. The algorithm is shown to produce accurate reconstructions with realistic data from a complex three-dimensional simulation, with masses as small as 4 mm being clearly visible.
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September 2011
September 02 2011
High-resolution imaging without iteration: a fast and robust method for breast ultrasound tomography
P. Huthwaite;
P. Huthwaite
Department of Mechanical Engineering, Imperial College
, London, SW7 2AZ, United Kingdom
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F. Simonetti
F. Simonetti
a)
School of Aerospace Systems, University of Cincinnati
, Cincinnati, Ohio 45221
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a)
Author to whom correspondence should be addressed. Electronic mail: [email protected]
J. Acoust. Soc. Am. 130, 1721–1734 (2011)
Article history
Received:
April 12 2011
Accepted:
June 28 2011
Citation
P. Huthwaite, F. Simonetti; High-resolution imaging without iteration: a fast and robust method for breast ultrasound tomography. J. Acoust. Soc. Am. 1 September 2011; 130 (3): 1721–1734. https://doi.org/10.1121/1.3613936
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