Abstract
The paper presents the results of evaluating the thickness profile of a skull phantom using a two-dimensional ultrasound array consisting of piezoelectric elements with a center frequency of 2.1 MHz. Two pulse-echo ultrasound methods were used in the experiment: the A-mode elementwise measurements and scanning with a focused probing beam created by the entire array using delay-and-sum (DAS) beamforming. The obtained thickness profiles are compared with the reference thickness profile obtained using X-ray computed tomography. It was shown that ultrasound DAS beamforming with a focused probing beam makes it technically possible to estimate the thickness profile of the skull phantom.
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Funding
The study was supported by the Russian Science Foundation (grant no. 19-12-00148) and by the Scientific and Educational School of Moscow State University “Photonic and Quantum Technologies: Digital Medicine.”
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Asfandiyarov, S.A., Rosnitskiy, P.B., Tsysar, S.A. et al. Estimation of the Thickness Profile of a Human Skull Phantom by Ultrasound Methods Using a Two-Dimensional Array. Acoust. Phys. 69, 112–118 (2023). https://doi.org/10.1134/S106377102270004X
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DOI: https://doi.org/10.1134/S106377102270004X