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Percutaneous coronary intervention (PCI) is typically performed with image guidance using X-ray angiograms in which coronary arteries are opacified with X-ray opaque contrast agents. Interventional cardiologists typically navigate…

图像与视频处理 · 电气工程与系统科学 2020-01-14 Hua Ma , Ihor Smal , Joost Daemen , Theo van Walsum

Dynamic positron emission tomography (PET) imaging combined with radiotracer kinetic modeling is a powerful technique for visualizing biological processes in the brain, offering valuable insights into brain functions and neurological…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Junyu Chen , Zirui Jiang , Jennifer M. Coughlin , Ian Cheong , Kelly A. Mills , Martin G. Pomper , Yong Du

Extended Reality (XR) technologies are gaining traction as effective tools for medical training and procedural guidance, particularly in complex cardiac interventions. This paper presents a novel system for real-time 3D tracking and…

图像与视频处理 · 电气工程与系统科学 2024-11-06 Mohsen Annabestani , Sandhya Sriram , S. Chiu Wong , Alexandros Sigaras , Bobak Mosadegh

In minimally invasive endovascular procedures, contrast-enhanced angiography remains the most robust imaging technique. However, it is at the expense of the patient and clinician's health due to prolonged radiation exposure. As an…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Alex Ranne , Liming Kuang , Yordanka Velikova , Nassir Navab , Ferdinando Rodriguez y Baena

Endovascular guidewire manipulation is essential for minimally-invasive clinical applications (Percutaneous Coronary Intervention (PCI), Mechanical thrombectomy techniques for acute ischemic stroke (AIS), or Transjugular intrahepatic…

机器人学 · 计算机科学 2023-04-20 Young-Ho Kim , Èric Lluch , Gulsun Mehmet , Florin C. Ghesu , Ankur Kapoor

Precise localization of coronary arteries in Computed Tomography (CT) scans is critical from the perspective of medical assessment of coronary artery disease. Although various methods exist that offer high-quality segmentation of coronary…

图像与视频处理 · 电气工程与系统科学 2024-10-27 Mariusz Bujny , Katarzyna Jesionek , Jakub Nalepa , Karol Miszalski-Jamka , Katarzyna Widawka-Żak , Sabina Wolny , Marcin Kostur

Robotic catheterization is typically used for percutaneous coronary intervention procedures nowadays and it involves steering flexible endovascular tools to open up occlusion in the coronaries. In this study, a sample-efficient deep…

机器人学 · 计算机科学 2021-10-29 Olatunji Mumini Omisore , Toluwanimi Akinyemi , Wenke Duan , Wenjing Du , Lei Wang

Early detection and diagnosis of coronary artery disease (CAD) could save lives and reduce healthcare costs. The current clinical practice is to perform CAD diagnosis through analysing medical images from computed tomography coronary…

Machine learning-based approaches outperform competing methods in most disciplines relevant to diagnostic radiology. Interventional radiology, however, has not yet benefited substantially from the advent of deep learning, in particular…

Cardiac parametric mapping is useful for evaluating cardiac fibrosis and edema. Parametric mapping relies on single-shot heartbeat-by-heartbeat imaging, which is susceptible to intra-shot motion during the imaging window. However, reducing…

图像与视频处理 · 电气工程与系统科学 2025-03-25 Calder D. Sheagren , Brenden T. Kadota , Jaykumar H. Patel , Mark Chiew , Graham A. Wright

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Amal Lahchim , Lambros Athanasiou

The standard non-invasive imaging technique used to assess the severity and extent of Coronary Artery Disease (CAD) is Coronary Computed Tomography Angiography (CCTA). However, manual grading of each patient's CCTA according to the…

Intra-cardiac echocardiography (ICE) is a crucial imaging modality used in electrophysiology (EP) and structural heart disease (SHD) interventions, providing realtime, high-resolution views from within the heart. Despite its advantages,…

人工智能 · 计算机科学 2025-01-23 Jaeyoung Huh , Paul Klein , Gareth Funka-Lea , Puneet Sharma , Ankur Kapoor , Young-Ho Kim

Purpose: The treatment of cardiovascular diseases requires complex and challenging navigation of a guidewire and catheter. This often leads to lengthy interventions during which the patient and clinician are exposed to X-ray radiation. Deep…

机器学习 · 计算机科学 2024-03-06 Valentina Scarponi , Michel Duprez , Florent Nageotte , Stéphane Cotin

Coronary CT angiography (CCTA) and intravascular ultrasound (IVUS) provide complementary information for coronary artery disease assessment, making their registration valuable for comprehensive analysis. However, existing registration…

图像与视频处理 · 电气工程与系统科学 2024-12-24 R. L. M. van Herten , José P. Henriques , R. Nils Planken , Joost Daemen , Eline M. J. Hartman , Jolanda J. Wentzel , Ivana Išgum

The analysis of electrical impulse phenomena in cardiac muscle tissue is important for the diagnosis of heart rhythm disorders and other cardiac pathophysiology. Cardiac mapping techniques acquire local temporal measurements and combine…

医学物理 · 物理学 2022-03-21 Jan Lebert , Namita Ravi , Flavio Fenton , Jan Christoph

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

Augmented Reality (AR) surgical navigation systems are emerging as the next generation of intraoperative surgical guidance, promising to overcome limitations of traditional navigation systems. However, known issues with AR depth perception…

Electrocardiogram (ECG) is one of the most convenient and non-invasive tools for monitoring peoples' heart condition, which can use for diagnosing a wide range of heart diseases, including Cardiac Arrhythmia, Acute Coronary Syndrome, et al.…

信号处理 · 电气工程与系统科学 2020-07-08 Shenda Hong , Zhaoji Fu , Rongbo Zhou , Jie Yu , Yongkui Li , Kai Wang , Guanlin Cheng

Cardiac motion estimation is critical to the assessment of cardiac function. Myocardium feature tracking (FT) can directly estimate cardiac motion from cine MRI, which requires no special scanning procedure. However, current deep…

图像与视频处理 · 电气工程与系统科学 2020-08-19 Pingjun Chen , Xiao Chen , Eric Z. Chen , Hanchao Yu , Terrence Chen , Shanhui Sun
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