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Automated construction of surface geometries of cardiac structures from volumetric medical images is important for a number of clinical applications. While deep-learning-based approaches have demonstrated promising reconstruction precision,…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Fanwei Kong , Nathan Wilson , Shawn C. Shadden

Medical image analysis faces significant challenges due to limited annotation data, particularly in three-dimensional carotid artery segmentation tasks, where existing datasets exhibit spatially discontinuous slice annotations with only a…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Haoxuan Li , Wei Song , Aofan Liu , Peiwu Qin

Enhancing the precision of segmenting coronary atherosclerotic plaques from CT Angiography (CTA) images is pivotal for advanced Coronary Atherosclerosis Analysis (CAA), which distinctively relies on the analysis of vessel cross-section…

图像与视频处理 · 电气工程与系统科学 2025-01-15 Ziheng Zhang , Zihan Li , Dandan Shan , Yuehui Qiu , Qingqi Hong , Qingqiang Wu

Annotation cost is a bottleneck for collecting massive data in mammography, especially for training deep neural networks. In this paper, we study the use of heterogeneous levels of annotation granularity to improve predictive performances.…

图像与视频处理 · 电气工程与系统科学 2019-09-13 Thi-Lam-Thuy Le , Nicolas Thome , Sylvain Bernard , Vincent Bismuth , Fanny Patoureaux

Purpose: Multiple sclerosis (MS) diagnosis requires accurate assessment of white matter hyperintensities (WMH) and ventricular changes on brain MRI. Current methods treat these structures independently, struggle to differentiate normal from…

图像与视频处理 · 电气工程与系统科学 2026-02-20 Mahdi Bashiri Bawil , Mousa Shamsi , Abolhassan Shakeri Bavil

In cardiac magnetic resonance (CMR) imaging, a 3D high-resolution segmentation of the heart is essential for detailed description of its anatomical structures. However, due to the limit of acquisition duration and respiratory/cardiac…

图像与视频处理 · 电气工程与系统科学 2021-07-09 Shuo Wang , Chen Qin , Nicolo Savioli , Chen Chen , Declan O'Regan , Stuart Cook , Yike Guo , Daniel Rueckert , Wenjia Bai

Deformable medical image registration is a crucial aspect of medical image analysis. In recent years, researchers have begun leveraging auxiliary tasks (such as supervised segmentation) to provide anatomical structure information for the…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Hongchao Zhou , Shunbo Hu

Background: Coronary angiography (CAG) is a cornerstone imaging modality for assessing coronary artery disease and guiding interventional treatment decisions. However, in real-world clinical settings, angiographic images are often…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Jingsong Xia , Siqi Wang

Heart diseases constitute a global health burden, and the problem is exacerbated by the error-prone nature of listening to and interpreting heart sounds. This motivates the development of automated classification to screen for abnormal…

声音 · 计算机科学 2016-12-07 Yuhao Zhang , Sandeep Ayyar , Long-Huei Chen , Ethan J. Li

Quantitative assessment of cardiac left ventricle (LV) morphology is essential to assess cardiac function and improve the diagnosis of different cardiovascular diseases. In current clinical practice, LV quantification depends on the…

图像与视频处理 · 电气工程与系统科学 2020-12-25 Sulaiman Vesal , Mingxuan Gu , Andreas Maier , Nishant Ravikumar

Automatic and accurate segmentation of aortic vessel tree (AVT) in computed tomography (CT) scans is crucial for early detection, diagnosis and prognosis of aortic diseases, such as aneurysms, dissections and stenosis. However, this task…

图像与视频处理 · 电气工程与系统科学 2023-05-18 Shaofeng Yuan , Feng Yang

The bicuspid aortic valve (BAV) is the most prevalent congenital heart defect and may require surgery for complications such as stenosis, regurgitation, and aortopathy. BAV repair surgery is effective but challenging due to the…

Accurate geometric modeling of the aortic valve from 3D CT images is essential for biomechanical analysis and patient-specific simulations to assess valve health or make a preoperative plan. However, it remains challenging to generate…

图像与视频处理 · 电气工程与系统科学 2025-11-07 Linchen Qian , Jiasong Chen , Ruonan Gong , Wei Sun , Minliang Liu , Liang Liang

Automatic segmentation of organs-at-risk (OAR) in computed tomography (CT) is an essential part of planning effective treatment strategies to combat lung and esophageal cancer. Accurate segmentation of organs surrounding tumours helps…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Sulaiman Vesal , Nishant Ravikumar , Andreas Maier

Accurate training labels are a key component for multi-class medical image segmentation. Their annotation is costly and time-consuming because it requires domain expertise. This work aims to develop a dual-branch network and automatically…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Jianfei Liu , Christopher Parnell , Ronald M. Summers

Computed tomography (CT) is a key imaging modality for diagnosis, yet its clinical utility is marred by high radiation exposure and long turnaround times, restricting its use for larger-scale screening. Although chest radiography (CXR) is…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Jianzhong You , Yuan Gao , Sangwook Kim , Chris Mcintosh

Congenital heart disease (CHD) is a relatively rare disease that affects patients at birth and results in extremely heterogeneous anatomical and functional defects. 12-lead ECG signal is routinely collected in CHD patients because it…

信号处理 · 电气工程与系统科学 2024-10-28 Muhammet Alkan , Gruschen Veldtman , Fani Deligianni

Cardiac segmentation is in great demand for clinical practice. Due to the enormous labor of manual delineation, unsupervised segmentation is desired. The ill-posed optimization problem of this task is inherently challenging, requiring…

图像与视频处理 · 电气工程与系统科学 2023-01-18 Sihan Wang , Fuping Wu , Lei Li , Zheyao Gao , Byung-Woo Hong , Xiahai Zhuang

Segmentation of the coronary artery is an important task for the quantitative analysis of coronary computed tomography angiography (CCTA) images and is being stimulated by the field of deep learning. However, the complex structures with…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Xiaoyu Yang , Lijian Xu , Simon Yu , Qing Xia , Hongsheng Li , Shaoting Zhang

Accurate quantification of cerebral blood flow (CBF) is essential for the diagnosis and assessment of cerebrovascular diseases such as Moyamoya, carotid stenosis, aneurysms, and stroke. Positron emission tomography (PET) is currently…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Ramy Hussein , Moss Zhao , David Shin , Jia Guo , Kevin T. Chen , Rui D. Armindo , Guido Davidzon , Michael Moseley , Greg Zaharchuk