English
Related papers

Related papers: UltraStar: Semantic-Aware Star Graph Modeling for …

200 papers

In clinical practice, automatic analysis of electrocardiogram (ECG) is widely applied to identify irregular heart rhythms and other electrical anomalies of the heart, enabling timely intervention and potentially improving clinical outcomes.…

Machine Learning · Computer Science 2025-09-03 Zhangyue Shi , Zekai Wang , Yuxuan Li

Uncertainty of labels in clinical data resulting from intra-observer variability can have direct impact on the reliability of assessments made by deep neural networks. In this paper, we propose a method for modelling such uncertainty in the…

Accurate identification of End-Diastolic (ED) and End-Systolic (ES) frames is key for cardiac function assessment through echocardiography. However, traditional methods face several limitations: they require extensive amounts of data,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Zhenyu Bu , Yang Liu , Jiayu Huo , Jingjing Peng , Kaini Wang , Guangquan Zhou , Rachel Sparks , Prokar Dasgupta , Alejandro Granados , Sebastien Ourselin

Echocardiography has become routinely used in the diagnosis of cardiomyopathy and abnormal cardiac blood flow. However, manually measuring myocardial motion and cardiac blood flow from echocardiogram is time-consuming and error-prone.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Wentao Zhu , Yufang Huang , Mani A Vannan , Shizhen Liu , Daguang Xu , Wei Fan , Zhen Qian , Xiaohui Xie

Ultrasound perception typically requires multiple scan views through probe movement to reduce diagnostic ambiguity, mitigate acoustic occlusions, and improve anatomical coverage. However, not all probe views are equally informative.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yixin Zhang , Yunzhong Hou , Longqi Li , Zhenyue Qin , Yang Liu , Yue Yao

Echocardiography plays an important part in diagnostic aid in cardiac diseases. A critical step in echocardiography-aided diagnosis is to extract the standard planes since they tend to provide promising views to present different structures…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Yun Gu , Guang-Zhong Yang , Jie Yang , Kun Sun

The scoliosis progression in adolescents requires close monitoring to timely take treatment measures. Ultrasound imaging is a radiation-free and low-cost alternative in scoliosis assessment to X-rays, which are typically used in clinical…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Maria Victorova , Michael Ka-Shing Lee , David Navarro-Alarcon , Yongping Zheng

Iterative improvement of model architectures is fundamental to deep learning: Transformers first enabled scaling, and recent advances in model hybridization have pushed the quality-efficiency frontier. However, optimizing architectures…

Machine Learning · Computer Science 2024-11-28 Armin W. Thomas , Rom Parnichkun , Alexander Amini , Stefano Massaroli , Michael Poli

Segmenting internal structure from echocardiography is essential for the diagnosis and treatment of various heart diseases. Semi-supervised learning shows its ability in alleviating annotations scarcity. While existing semi-supervised…

Image and Video Processing · Electrical Eng. & Systems 2024-12-03 Xiaoxiang Han , Yiman Liu , Jiang Shang , Qingli Li , Jiangang Chen , Menghan Hu , Qi Zhang , Yuqi Zhang , Yan Wang

An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, sue to high mortality rate of heart-related disease. However,…

Signal Processing · Electrical Eng. & Systems 2018-11-02 Jiaming Chen , Ali Valehi , Abolfazl Razi

Deep learning enables automatic and robust extraction of cardiac function descriptors from echocardiographic sequences, such as ejection fraction or strain. These descriptors provide fine-grained information that physicians consider, in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Nathan Painchaud , Jérémie Stym-Popper , Pierre-Yves Courand , Nicolas Thome , Pierre-Marc Jodoin , Nicolas Duchateau , Olivier Bernard

The upcoming landscape of Earth Observation missions will defined by networked heterogeneous nanosatellite constellations required to meet strict mission requirements, such as revisit times and spatial resolution. However, scheduling…

Signal Processing · Electrical Eng. & Systems 2024-03-05 Guillem Casadesus-Vila , Joan-Adria Ruiz-de-Azua , Eduard Alarcon

Cardiotocography (CTG) is a key element when it comes to monitoring fetal well-being. Obstetricians use it to observe the fetal heart rate (FHR) and the uterine contraction (UC). The goal is to determine how the fetus reacts to the…

Signal Processing · Electrical Eng. & Systems 2022-10-03 Julien Bertieaux , Mohammadhadi Shateri , Fabrice Labeau , Thierry Dutoit

Underwater acoustic target detection in remote marine sensing operations is challenging due to complex sound wave propagation. Despite the availability of reliable sonar systems, target recognition remains a difficult problem. Various…

Sound · Computer Science 2023-07-27 Jarin Ritu , Ethan Barnes , Riley Martell , Alexandra Van Dine , Joshua Peeples

Robotic-assisted percutaneous coronary intervention (PCI) is constrained by the inherent limitations of 2D Digital Subtraction Angiography (DSA). Unlike physicians, who can directly manipulate guidewires and integrate tactile feedback with…

Robotics · Computer Science 2026-02-25 Jiyuan Zhao , Zhengyu Shi , Wentong Tian , Tianliang Yao , Dong Liu , Tao Liu , Yizhe Wu , Peng Qi

Physiological signals, such as the electrocardiogram and the phonocardiogram are very often corrupted by noisy sources. Usually, artificial intelligent algorithms analyze the signal regardless of its quality. On the other hand, physicians…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Jorge Oliveira , Margarida Carvalho , Diogo Marcelo Nogueira , Miguel Coimbra

Extreme wavefront correction is required for coronagraphs on future space telescopes to reach 1e-8 or better starlight suppression for the direct imaging and characterization of exoplanets in reflected light. Thus, a suite of wavefront…

This study addresses the problem of anomaly detection and root cause tracing in microservice architectures and proposes a unified framework that combines graph neural networks with temporal modeling. The microservice call chain is…

Machine Learning · Computer Science 2025-11-06 Qingyuan Zhang , Ning Lyu , Le Liu , Yuxi Wang , Ziyu Cheng , Cancan Hua

Artificial intelligence (AI) that can effectively learn ultrasound representations by integrating multi-source data holds significant promise for advancing clinical care. However, the scarcity of large labeled datasets in real-world…

The ability to learn continuously in artificial neural networks (ANNs) is often limited by catastrophic forgetting, a phenomenon in which new knowledge becomes dominant. By taking mechanisms of memory encoding in neuroscience (aka. engrams)…

Machine Learning · Computer Science 2025-03-28 Isabelle Aguilar , Luis Fernando Herbozo Contreras , Omid Kavehei