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אירועים

Learning-based design of ultrasound imaging systems
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סנקט ודולה, הרצאה סמינריונית למגיסטר
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יום רביעי, 26.2.2020, 11:00
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טאוב 012 (מרכז רב תכליתי)
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מנחה:  Prof. Alex Bronstein and Dr. Michael Zibulevsky
Medical ultrasound is a widespread imaging modality owing its popularity to cost efficiency, portability, speed, and lack of harmful ionizing radiation. In this work, we demonstrate that replacing the traditional ultrasound processing pipeline with a data-driven, learnable counterpart leads to significant improvement in image quality. Moreover, we demonstrate that greater improvement can be achieved through a learning-based design of the transmitted beam patterns simultaneously with learning an image reconstruction pipeline. We evaluate our method on an in-vivo first-harmonic cardiac ultrasound dataset acquired from volunteers and demonstrate the significance of the learned pipeline and transmit beam patterns on the image quality when compared to standard transmit and receive beamformers used in high frame-rate US imaging. We believe that the presented methodology provides a fundamentally different perspective on the classical problem of ultrasound beam pattern design.
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