IEEE transactions on medical imaging · 2026
FUGC: Benchmarking Semi-Supervised Learning Methods for Cervical Segmentation.
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Bai Jieyun, Tang Yitong, Zhou Zihao, Islam Mahdi, Tabassum Musarrat, Almar-Munoz Enrique, Liu Hongyu, Meng Hui, Lv Nianjiang, Deng Bo, Chen Yu, Peng Zilun, Xiao Yusong, Xiao Li, Tran Nam-Khanh, Phan-Le Dac-Phu, Nguyen Hai-Dang, Liu Xiao, Hu Jiale, Huang Mingxu, Liang Jitao, Feng Chaolu, Zhang Xuezhi, Tong Lyuyang, Du Bo, Pham Ha-Hieu, Nguyen Thanh-Huy, Xu Min, Jiang Juntao, Zhang Jiangning, Liu Yong, Hasan Md Kamrul, Gan Jie, Liang Zhuonan, Cai Weidong, Huang Yuxin, Luo Gongning, Yaqub Mohammad, Lekadir Karim
Аннотация
Accurate segmentation of cervical structures in transvaginal ultrasound (TVS) is critical for assessing the risk of spontaneous preterm birth (PTB), yet the scarcity of labeled data limits the performance of supervised learning approaches. This paper introduces the Fetal Ultrasound Grand Challenge (FUGC), the first benchmark for semi-supervised learning in cervical segmentation, hosted at ISBI 2025. FUGC provides a dataset of 890 TVS images, including 500 training images, 90 validation images, and 300 test images. Methods were evaluated using the Dice Similarity Coefficient (DSC), Hausdorff Distance (HD), and runtime (RT), with a weighted combination of 0.4/0.4/0.2. The challenge attracted 10 teams with 82 participants submitting innovative solutions. The best-performing methods for each individual metric achieved 90.26% mDSC, 38.88 mHD, and 32.85 ms RT, respectively. FUGC establishes a standardized benchmark for cervical segmentation, demonstrates the efficacy of semi-supervised methods with limited labeled data, and provides a foundation for AI-assisted clinical PTB risk assessment.