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Ultrasonic total focusing method for crack imaging and characterization based on Otsu thresholding
LI Xiao, CHI Bingyu, LUO Zhongbing, JIN Shijie
Journal of Shaanxi Normal University(Natural Science Edition) . 2026, (2): 32 -40 .  DOI: 10.15983/j.cnki.jsnu.2026206