Black-blood computed tomography with contrast-enhancement boost for optimized portal vein imaging and segmentation: a feasibility study - Jiang, Hairong; Chen, Xiaofang; Xie, Dingxiang; Lai, Zhiman; Wu, Jiale; Zhao, Jing; Xu, Rulin; Ma, Hui; Cai, Huasong (Quantitative Imaging in Medicine and Surgery; Vol 16, No 2 (February 01, 2026): Quantitative Imaging in Medicine and Surgery, 2026)