STD-Net: a spatio-temporal decoupling network for multiphasic liver lesion segmentation and characterization. - Shaoliang Zhu; Mengjie Zou; Qijun Wu; Zheng Gong; Zhangnan Huang; Yan Zou; Tingting Tan; Yanwu You; Xiaofeng Dong; Honglin Luo (npj Digit. Medicine, 2025)