Sonar image target detection based on multi-region optimal selection strategy Yu CAO, Guangyu LIU, Linlin MU, Zhiyong ZENG, Enming ZHAO and Chuanxi XING JNWPU, 41 1 (2023) 153-159 Published online: 02 June 2023 DOI: 10.1051/jnwpu/20234110153