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To acquire reliable medical ultrasound images and accurately detect vascular diseases, it is inevitable to improve axial resolution and contrast facilitating clearly definition of depth and thickness of blood vessel walls.
In this study, we propose an intrinsic contrast based ultrasound time intensity curve (TIC) technique for monitoring the dynamic response of FUS-induced BBB opening on a rat model. Because the ultrasound backscattering coefficient of the cerebral blood is higher than that of the peripheral brain tissues at the used imaging frequency, the intensity of backscatter signal can be used as the indicator...
In this work, we investigate performance of reconstruction on different ultrasound (US) post-beamformed data when performing compressed sensing (CS) with fewer measurements. Three types of post-beamformed data - radio frequency (RF), envelope, and log-converted data are used. Each data type has its own signal distribution, which, given a typical sparse representation, affects sparsifying efficiency...
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