3D cone-beam breast ultrasonic tomography imaging for capacitive micromachined ultrasonic transducer cylindrical
Yu Pei1, Guojun Zhang1, Sai Zhang2
1State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, China.
Abstract:
In this paper, a 3D cone-beam ultrasonic transmission tomography method for capacitive micromachined ultrasonic transducer (CMUT) cylindrical phased array was proposed. The performance of the proposed method was evaluated by numerical simulation experiments. After beam focusing of the transmitting array, the deviation of reconstructed sound attenuation distribution and sound speed distribution were respectively reduced by at least 71.4% and 46.4%. The research results in this paper will provide a good theoretical and practical foundation for the realization of ultrasonic imaging based on CMUT cylindrical array in the future.
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