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Echocardiography is an essential medical technique for diagnosing cardiovascular diseases, but its high operational complexity has led to a shortage of trained professionals. To address this issue, we introduce a novel probe movement…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Haojun Jiang , Teng Wang , Zhenguo Sun , Yulin Wang , Yang Yue , Yu Sun , Ning Jia , Meng Li , Shaqi Luo , Shiji Song , Gao Huang

Echocardiography is the only technique capable of real-time imaging of the heart and is vital for diagnosing the majority of cardiac diseases. However, there is a severe shortage of experienced cardiac sonographers, due to the heart's…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Haojun Jiang , Zhenguo Sun , Ning Jia , Meng Li , Yu Sun , Shaqi Luo , Shiji Song , Gao Huang

Ultrasound imaging of the heart (echocardiography) is widely used to diagnose cardiac diseases. However, obtaining an echocardiogram requires an expert sonographer and a high-quality ultrasound imaging device, which are generally only…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Andy Dimnaku , Dominic Yurk , Zhiyuan Gao , Arun Padmanabhan , Mandar Aras , Yaser Abu-Mostafa

Ultrasound is well-established as an imaging modality for diagnostic and interventional purposes. However, the image quality varies with operator skills as acquiring and interpreting ultrasound images requires extensive training due to the…

Echocardiography is crucial for cardiovascular disease detection but relies heavily on experienced sonographers. Echocardiography probe guidance systems, which provide real-time movement instructions for acquiring standard plane images,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Yang Yue , Yulin Wang , Haojun Jiang , Pan Liu , Shiji Song , Gao Huang

Echocardiography is a critical tool for detecting heart diseases, yet its steep operational difficulty causes a shortage of skilled personnel. Probe guidance systems, which assist in acquiring high-quality images, offer a promising solution…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Teng Wang , Haojun Jiang , Yuxuan Wang , Zhenguo Sun , Yujiao Deng , Shiji Song , Gao Huang

Tissue tracking in echocardiography is challenging due to the complex cardiac motion and the inherent nature of ultrasound acquisitions. Although optical flow methods are considered state-of-the-art (SOTA), they struggle with long-range…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Md Abulkalam Azad , Artem Chernyshov , John Nyberg , Ingrid Tveten , Lasse Lovstakken , Håvard Dalen , Bjørnar Grenne , Andreas Østvik

Clinical 12-lead ECG classification remains difficult because of diverse recording conditions, overlapping pathologies, and pronounced label imbalance hinder generalization, while unconstrained augmentations risk distorting diagnostically…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Nader Nemati

Cardiac motion tracking from echocardiography can be used to estimate and quantify myocardial motion within a cardiac cycle. It is a cost-efficient and effective approach for assessing myocardial function. However, ultrasound imaging has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Long Teng , Wei Feng , Menglong Zhu , Xinchao Li

Astronomical surveys of celestial sources produce streams of noisy time series measuring flux versus time ("light curves"). Unlike in many other physical domains, however, large (and source-specific) temporal gaps in data arise naturally…

Instrumentation and Methods for Astrophysics · Physics 2017-11-30 Brett Naul , Joshua S. Bloom , Fernando Pérez , Stéfan van der Walt

Purpose: Echocardiographic interpretation requires video-level reasoning and guideline-based measurement analysis, which current deep learning models for cardiac ultrasound do not support. We present EchoAgent, a framework that enables…

Accurate motion estimation for tracking deformable tissues in echocardiography is essential for precise cardiac function measurements. While traditional methods like block matching or optical flow struggle with intricate cardiac motion,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Md Abulkalam Azad , John Nyberg , Håvard Dalen , Bjørnar Grenne , Lasse Lovstakken , Andreas Østvik

The complex structure of the heart leads to significant challenges in echocardiography, especially in acquisition cardiac ultrasound images. Successful echocardiography requires a thorough understanding of the structures on the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Haojun Jiang , Meng Li , Zhenguo Sun , Ning Jia , Yu Sun , Shaqi Luo , Shiji Song , Gao Huang

Focused transmits are the most commonly used transmit strategy for echocardiograms, but suffer from relatively low frame rates, and in 3D, even lower volume rates. Fast imaging based on unfocused transmits has disadvantages such as motion…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Wessel L. van Nierop , Oisín Nolan , Tristan S. W. Stevens , Ruud J. G. van Sloun

Traditional echocardiographic parameters such as ejection fraction (EF) and global longitudinal strain (GLS) have limitations in the early detection of cardiac dysfunction. EF often remains normal despite underlying pathology, and GLS is…

Machine Learning · Computer Science 2025-07-21 Beka Begiashvili , Carlos J. Fernandez-Candel , Matías Pérez Paredes

Echocardiography (echo), or cardiac ultrasound, is the most widely used imaging modality for cardiac form and function due to its relatively low cost, rapid acquisition time, and non-invasive nature. However, ultrasound acquisitions are…

Quantitative Methods · Quantitative Biology 2025-07-18 David Choi , Milos Vukadinovic , Bryan He , Christina Binder , Yuki Sahashi , David Ouyang

In this work, we present graph star net (GraphStar), a novel and unified graph neural net architecture which utilizes message-passing relay and attention mechanism for multiple prediction tasks - node classification, graph classification…

Social and Information Networks · Computer Science 2019-07-01 Lu Haonan , Seth H. Huang , Tian Ye , Guo Xiuyan

Developing robotic technologies for use in human society requires ensuring the safety of robots' navigation behaviors while adhering to pedestrians' expectations and social norms. However, maintaining real-time communication between robots…

Robotics · Computer Science 2023-09-28 Weizheng Wang , Ruiqi Wang , Le Mao , Byung-Cheol Min

Subgraph matching, a cornerstone of relational pattern detection in domains ranging from biochemical systems to social network analysis, faces significant computational challenges due to the dramatically growing search space. Existing…

Artificial Intelligence · Computer Science 2025-11-25 Yuchen Ying , Yiyang Dai , Wenda Li , Wenjie Huang , Rui Wang , Tongya Zheng , Yu Wang , Hanyang Yuan , Mingli Song

This paper tackles the challenge of autonomous target search using unmanned aerial vehicles (UAVs) in complex unknown environments. To fill the gap in systematic approaches for this task, we introduce Star-Searcher, an aerial system…

Robotics · Computer Science 2024-03-22 Yiming Luo , Zixuan Zhuang , Neng Pan , Chen Feng , Shaojie Shen , Fei Gao , Hui Cheng , Boyu Zhou
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