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Automated fetal head segmentation in ultrasound images is critical for accurate biometric measurements in prenatal care. While existing deep learning approaches have achieved a reasonable performance, they struggle with issues like low…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Ammar Bhilwarawala , Mainak Bandyopadhyay

Accurate fetal growth assessment from ultrasound (US) relies on precise biometry measured by manually identifying anatomical landmarks in standard planes. Manual landmarking is time-consuming, operator-dependent, and sensitive to…

As an important branch of photoacoustic microscopy, optical-resolution photoacoustic microscopy suffers from limited depth of field due to the strongly focused laser beam. In this work, a 3D information fusion algorithm based on 3D…

图像与视频处理 · 电气工程与系统科学 2022-11-29 Xianlin Song , Sihang Li , Zhuangzhuang Wang

Fetal abdominal malformations are serious congenital anomalies that require accurate diagnosis to guide pregnancy management and reduce mortality. Although AI has demonstrated significant potential in medical diagnosis, its application to…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Huanwen Liang , Jingxian Xu , Yuanji Zhang , Yuhao Huang , Yuhan Zhang , Xin Yang , Ran Li , Xuedong Deng , Yanjun Liu , Guowei Tao , Yun Wu , Sheng Zhao , Xinru Gao , Dong Ni

Two subsequent deep learning networks, one localizing the fetal chest and one identifying a set of landmarks on a coronal whole-uterus balanced steady-state free precession scan, were trained on 167 and 71 fetal datasets across field…

Fetal brain magnetic resonance imaging (MRI) offers exquisite images of the developing brain but is not suitable for anomaly screening. For this ultrasound (US) is employed. While expert sonographers are adept at reading US images, MR…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Jianbo Jiao , Ana I. L. Namburete , Aris T. Papageorghiou , J. Alison Noble

Different from conventional federated learning, personalized federated learning (PFL) is able to train a customized model for each individual client according to its unique requirement. The mainstream approach is to adopt a kind of weighted…

机器学习 · 计算机科学 2023-07-18 Jiahao Liu , Jiang Wu , Jinyu Chen , Miao Hu , Yipeng Zhou , Di Wu

Multimodal image alignment involves finding spatial correspondences between volumes varying in appearance and structure. Automated alignment methods are often based on local optimization that can be highly sensitive to their initialization.…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Johan Öfverstedt , Joakim Lindblad , Nataša Sladoje

3D ultrasound (US) can facilitate detailed prenatal examinations for fetal growth monitoring. To analyze a 3D US volume, it is fundamental to identify anatomical landmarks of the evaluated organs accurately. Typical deep learning methods…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Chaoyu Chen , Xin Yang , Ruobing Huang , Wenlong Shi , Shengfeng Liu , Mingrong Lin , Yuhao Huang , Yong Yang , Yuanji Zhang , Huanjia Luo , Yankai Huang , Yi Xiong , Dong Ni

Fetal ultrasound is the cornerstone of antenatal care, and accurate recognition of a small set of standard anatomical planes underpins biometry, growth surveillance, and detection of structural anomalies. Deep learning classifiers now match…

图像与视频处理 · 电气工程与系统科学 2026-05-21 Gustav Olaf Yunus Laitinen-Fredriksson Lundström-Imanov , Özkan Günalp

Seismic full-waveform inversion (FWI), which uses iterative methods to estimate high-resolution subsurface models from seismograms, is a powerful imaging technique in exploration geophysics. In recent years, the computational cost of FWI…

地球物理 · 物理学 2023-11-28 Shihang Feng , Youzuo Lin , Brendt Wohlberg

Federated Learning (FL) is a distributed learning technique that maintains data privacy by providing a decentralized training method for machine learning models using distributed big data. This promising Federated Learning approach has also…

机器学习 · 计算机科学 2024-11-11 Prakash Chourasia , Tamkanat E Ali , Sarwan Ali , Murray Pattersn

Federated Learning (FL) has emerged as a key approach for distributed machine learning, enhancing online personalization while ensuring user data privacy. Instead of sending private data to a central server as in traditional approaches, FL…

Radio interferometers observe the Fourier space of the sky, at locations determined by the array geometry. Before a real space image is constructed by a Fourier transform, the data is weighted to improve the quality of reconstruction. Two…

天体物理仪器与方法 · 物理学 2015-06-22 Sarod Yatawatta

Recommendation from implicit feedback is a highly challenging task due to the lack of the reliable observed negative data. A popular and effective approach for implicit recommendation is to treat unobserved data as negative but downweight…

信息检索 · 计算机科学 2020-03-05 Jiawei Chen , Can Wang , Sheng Zhou , Qihao Shi , Jingbang Chen , Yan Feng , Chun Chen

Accurate characterization of in utero human brain maturation is critical as it involves complex and interconnected structural and functional processes that may influence health later in life. Magnetic resonance imaging is a powerful tool to…

We address the problem of estimating human pose and body shape from 3D scans over time. Reliable estimation of 3D body shape is necessary for many applications including virtual try-on, health monitoring, and avatar creation for virtual…

计算机视觉与模式识别 · 计算机科学 2017-04-20 Chao Zhang , Sergi Pujades , Michael Black , Gerard Pons-Moll

Quality assessment of prenatal ultrasonography is essential for the screening of fetal central nervous system (CNS) anomalies. The interpretation of fetal brain structures is highly subjective, expertise-driven, and requires years of…

In federated learning (FL), weighted aggregation of local models is conducted to generate a global model, and the aggregation weights are normalized (the sum of weights is 1) and proportional to the local data sizes. In this paper, we…

机器学习 · 计算机科学 2023-06-13 Zexi Li , Tao Lin , Xinyi Shang , Chao Wu

Motion correction is an essential preprocessing step in functional Magnetic Resonance Imaging (fMRI) of the fetal brain with the aim to remove artifacts caused by fetal movement and maternal breathing and consequently to suppress erroneous…