Zelan Li Hansen Zhang Zhengyang Zhang Yan Cheng Siqi Wang Jianning Chi Progressive Semi-supervised Landmark Detection Algorithm For Intrapartum Ultrasound Measurement. 62-76 2025 IUGC@MICCAI https://doi.org/10.1007/978-3-032-11616-1_6 conf/miccai/2025iugc db/conf/miccai/iugc2025.html#LiZZCWC25 streams/conf/miccai