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Multiple tissue parameters are useful for early breast cancer detection and diagnosis. Ultrasound tomography is a new, important imaging modality for our computerized ultrasound risk evaluation (CURE) prototype, which employs a ring transducer array to scan the whole breast in a water tank. We use our bent-ray time-of-light ultrasound tomography to reconstruct sound speeds of breasts with different...
We report and discuss clinical breast imaging results obtained with operator independent ultrasound tomography. A series of in-vivo experiments were carried out using a recently upgraded clinical prototype based on the principles of ultrasound tomography. The in-vivo performance of the prototype was assessed by imaging patients at the Karmanos Cancer Institute. Our techniques successfully demonstrated...
Properly accounting for ultrasound scattering from heterogeneities within the breast is essential for high- resolution ultrasound breast imaging. This requires a reflectivity image reconstruction method capable of accurately handling ultrasound scattering. We develop an optimized ultrasound-wave propagator for reflectivity image reconstruction using pulse-echo ultrasound signals. The method is based...
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