Multi-spatial-attention U-Net: a novel framework for automated gallbladder segmentation on CT images

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Henan Lou, Xiaobo Wen, Fanxia Lin, Zhan Peng, Qiuxiao Wang, Ruimei Ren, Junlin Xu, Jinfei Fan, Hao Song, Xiaomeng Ji, Huiyu Wang, Xiangyin Sun, Yinying Dong

Published: 2025, Last Modified: 25 Jan 2026BMC Medical Imaging 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: This study aimed to construct a novel model, Multi-Spatial Attention U-Net (MSAU-Net) by incorporating our proposed Multi-Spatial Attention (MSA) block into the U-Net for the automated segmentation of the gallbladder on CT images.