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Functionally significant coronary artery disease (CAD) is caused by plaque buildup in the coronary arteries, potentially leading to narrowing of the arterial lumen, i.e. coronary stenosis, that significantly obstructs blood flow to the…

Image and Video Processing · Electrical Eng. & Systems 2023-08-10 Nils Hampe , Sanne G. M. van Velzen , Jean-Paul Aben , Carlos Collet , Ivana Išgum

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…

Due to the lack of automated methods, to diagnose cerebrovascular disease, time-of-flight magnetic resonance angiography (TOF-MRA) is assessed visually, making it time-consuming. The commonly used encoder-decoder architectures for…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Syed Farhan Abbas , Nguyen Thanh Duc , Yoonguu Song , Kyungwon Kim , Ekta Srivastava , Boreom Lee

Cerebral Microbleeds (CMBs) are chronic deposits of small blood products in the brain tissues, which have explicit relation to various cerebrovascular diseases depending on their anatomical location, including cognitive decline,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-27 Jun-Ho Kim , Young Noh , Haejoon Lee , Seul Lee , Woo-Ram Kim , Koung Mi Kang , Eung Yeop Kim , Mohammed A. Al-masni , Dong-Hyun Kim

The precise segmentation of intracranial aneurysms and their parent vessels (IA-Vessel) is a critical step for hemodynamic analyses, which mainly depends on computational fluid dynamics (CFD). However, current segmentation methods…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Feiyang Xiao , Yichi Zhang , Xigui Li , Yuanye Zhou , Chen Jiang , Xin Guo , Limei Han , Yuxin Li , Fengping Zhu , Yuan Cheng

Background: Computational fluid dynamics (CFD) is increasingly used to assess blood flow conditions in patients with congenital heart disease (CHD). This requires patient-specific anatomy, usually obtained from segmented 3D cardiovascular…

We present a patch-based 3D nnUNet adaptation for MR to CT and CBCT to CT image translation using the multicenter SynthRAD2025 dataset, covering head and neck (HN), thorax (TH), and abdomen (AB) regions. Our approach leverages two main…

Image and Video Processing · Electrical Eng. & Systems 2025-09-29 Javier Sequeiro González , Arthur Longuefosse , Miguel Díaz Benito , Álvaro García Martín , Fabien Baldacci

Purpose: To develop an open-source nnU-Net-based AI model for combined detection and segmentation of unruptured intracranial aneurysms (UICA) in 3D TOF-MRI, and compare models trained on datasets with aneurysm-like differential diagnoses.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Ashraya K. Indrakanti , Jakob Wasserthal , Martin Segeroth , Shan Yang , Victor Schulze-Zachau , Joshy Cyriac , Michael Bach , Marios Psychogios , Matthias A. Mutke

While recent advances in deep learning have significantly advanced the state of the art for vessel detection in color fundus (CF) images, the success for detecting vessels in fluorescein angiography (FA) has been stymied due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Li Ding , Mohammad H. Bawany , Ajay E. Kuriyan , Rajeev S. Ramchandran , Charles C. Wykoff , Gaurav Sharma

Computational fluid dynamics (CFD) can be used to simulate vascular haemodynamics and analyse potential treatment options. CFD has shown to be beneficial in improving patient outcomes. However, the implementation of CFD for routine clinical…

Intracranial aneurysms (IAs) are generally asymptomatic and thus often discovered incidentally on angiographic scans like 3D DSA, CTA and MRA. Skilled radiologists achieved a sensitivity of 88% by means of visual detection, which seems…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Žiga Bizjak , Boštjan Likar , Franjo Pernuš , Žiga Špiclin

Extensive studies suggested that fluid mechanical markers of intracranial aneurysms (IAs) derived from Computational Fluid Dynamics (CFD) can indicate disease progression risks, but to date this has not been translated clinically. This is…

Machine Learning · Computer Science 2026-01-30 Yiying Sheng , Wenhao Ding , Dylan Roi , Leonard Leong Litt Yeo , Hwa Liang Leo , Choon Hwai Yap

We propose a deep learning-based technique for detection and quantification of abdominal aortic aneurysms (AAAs). The condition, which leads to more than 10,000 deaths per year in the United States, is asymptomatic, often detected…

Accurate segmentation of coronary arteries remains a significant challenge in clinical practice, hindering the ability to effectively diagnose and manage coronary artery disease. The lack of large, annotated datasets for model training…

Purpose: Arterial spin labeling (ASL) perfusion imaging indicates direct and absolute measurement of cerebral blood flow (CBF). Arterial transit time (ATT) is a related physiological parameter reflecting the duration for the labeled spins…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Yiran Li , Ze Wang

Intrasaccular flow disruptors treat cerebral aneurysms by diverting the blood flow from the aneurysm sac. Residual flow into the sac after the intervention is a failure that could be due to the use of an undersized device, or to vascular…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Ashutosh Jadhav , Satyananda Kashyap , Hakan Bulu , Ronak Dholakia , Amon Y. Liu , Tanveer Syeda-Mahmood , William R. Patterson , Hussain Rangwala , Mehdi Moradi

Establishing patient-specific finite element analysis (FEA) models for computational fluid dynamics (CFD) of double stenosed artery models involves time and effort, restricting physicians' ability to respond quickly in time-critical medical…

Medical Physics · Physics 2022-02-18 Ishat Raihan Jamil , Mayeesha Humaira

Background: To develop an artificial intelligence system that can accurately identify acute non-traumatic intracranial hemorrhage (ICH) etiology based on non-contrast CT (NCCT) scans and investigate whether clinicians can benefit from it in…

Image and Video Processing · Electrical Eng. & Systems 2023-02-03 Meng Zhao , Yifan Hu , Ruixuan Jiang , Yuanli Zhao , Dong Zhang , Yan Zhang , Rong Wang , Yong Cao , Qian Zhang , Yonggang Ma , Jiaxi Li , Shaochen Yu , Wenjie Li , Ran Zhang , Yefeng Zheng , Shuo Wang , Jizong Zhao

Dynamic 2-[18F] fluoro-2-deoxy-D-glucose positron emission tomography (dFDG-PET) for human brain imaging has considerable clinical potential, yet its utilization remains limited. A key challenge in the quantitative analysis of dFDG-PET is…

The increasing size and complexity of medical imaging datasets, particularly in 3D formats, present significant barriers to collaborative research and transferability. This study investigates whether the ZFP compression technique can…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Shimaa Elbana , Ahmad Kamal , Shahd Ahmed Ali , Ahmad Al-Kabbany