25 March 2011 Double difference tomography for breast ultrasound sound speed imaging
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Abstract
Breast ultrasound tomography is a rapidly developing imaging modality that has the potential to impact breast cancer screening and diagnosis. Double difference (DD) tomography utilizes more accurate differential time-of-flight (ToF) data to reconstruct the sound speed structure of the breast. It can produce more precise and better resolution sound speed images than standard tomography that uses absolute ToF data. We apply DD tomography to phantom data and excised mouse mammary glands data. DD tomograms demonstrate sharper sound speed contrast than the standard tomograms.
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Cuiping Li, Neb Duric, Olsi Rama, Angelika Burger, Lisa Polin, Nicole Nechiporchik, "Double difference tomography for breast ultrasound sound speed imaging", Proc. SPIE 7968, Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy, 796802 (25 March 2011); doi: 10.1117/12.877559; https://doi.org/10.1117/12.877559
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