Abstract
Ultrasonic wave has been widely used in the medical field because of its special physical properties. However, it might cause health risk for the human body if the power is inaccurately measured. As a noncontact measurement method, the acousto-optic method gives a lower uncertainty than the mechanical and contact method. To improve the accuracy of ultrasonic power measurement system based on the acousto-optic effect, we optimized the image processing algorithms by adjusting the threshold of binarization, optimizing the centroid coordinates calculation method, and rectangular areas division method. The results showed that the measurement of uncertainty of the acousto-optic method was lower than the radiation balance method, and the accuracy of the measurement system based on the acousto-optic effect was improved from 79.59 to 96.17% after algorithm optimization.
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This work was supported by National Natural Science Foundation of China (Number: 52075208), (Number: U20A6004) and (Number: 51675211).
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Shen, B., Zeng, B., Liu, X. et al. Accuracy optimization method of ultrasonic power measurement system based on acousto-optic effect. Opt Rev 28, 207–214 (2021). https://doi.org/10.1007/s10043-021-00651-x
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DOI: https://doi.org/10.1007/s10043-021-00651-x