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Background: Computed Tomography Angiography (CTA) is crucial for cerebrovascular disease diagnosis. Dynamic CTA is a type of imaging that captures temporal information about the We aim to develop and evaluate two segmentation techniques to…

Medical Physics · Physics 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin

In this paper we describe improvements to the particle swarm optimizer (PSO) made by inclusion of an unscented Kalman filter to guide particle motion. We demonstrate the effectiveness of the unscented Kalman filter PSO by comparing it with…

Neural and Evolutionary Computing · Computer Science 2018-03-21 Chengjia Wang , Keith A. Goatman , James Boardman , Erin Beveridge , David Newby , Scott Semple

Coronary artery disease (CAD) remains a prevalent cardiovascular condition, posing significant health risks worldwide. This pathology, characterized by plaque accumulation in coronary artery walls, leads to myocardial ischemia and various…

Image and Video Processing · Electrical Eng. & Systems 2024-06-14 Xinyun Liu , Chen Zhao

Despite coronary artery calcium scoring being considered a largely solved problem within the realm of medical artificial intelligence, this paper argues that significant improvements can still be made. By shifting the focus from pathology…

Early detection of coronary artery disease (CAD) is critical for reducing mortality and improving patient treatment planning. While angiographic image analysis from X-rays is a common and cost-effective method for identifying cardiac…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Alvee Hassan , Rusab Sarmun , Muhammad E. H. Chowdhury , M Murugappan , Abdulrahman Alqahtani , Balamurugan Balusamy , Sohaib Bassam Zoghoul

Three-dimensional (3D) and dynamic 3D+time (4D) reconstruction of coronary arteries from X-ray coronary angiography (CA) has the potential to improve clinical procedures. However, there are multiple challenges to be addressed, most notably,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-28 Kirsten W. H. Maas , Danny Ruijters , Nicola Pezzotti , Anna Vilanova

Cerebrovascular disease often requires multiple imaging modalities for accurate diagnosis, treatment, and monitoring. Computed Tomography Angiography (CTA) and Time-of-Flight Magnetic Resonance Angiography (TOF-MRA) are two common…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Alexander Koch , Orhun Utku Aydin , Adam Hilbert , Jana Rieger , Satoru Tanioka , Fujimaro Ishida , Dietmar Frey

Intracranial hemorrhage (ICH) secondary to Traumatic Brain Injury (TBI) represents a critical diagnostic challenge, with approximately 64,000 TBI-related deaths annually in the United States. Current diagnostic modalities including Computed…

Image and Video Processing · Electrical Eng. & Systems 2025-10-27 Phat Tran , Enbai Kuang , Fred Xu

Cardiac action potential models allow examination of a variety of cardiac dynamics, including how behavior may change under specific interventions. To study a specific scenario, including patient-specific cases, model parameter sets must be…

Computational Engineering, Finance, and Science · Computer Science 2025-04-21 Darby I. Cairns , Maxfield R. Comstock , Flavio H. Fenton , Elizabeth M. Cherry

Purpose: To achieve effective robot-assisted laparoscopic prostatectomy, the integration of transrectal ultrasound (TRUS) imaging system which is the most widely used imaging modelity in prostate imaging is essential. However, manual…

The presence of plaques in the coronary arteries is a major risk to the patients' life. In particular, non-calcified plaques pose a great challenge, as they are harder to detect and more likely to rupture than calcified plaques. While…

Orientation recognition and standardization play a crucial role in the effectiveness of medical image processing tasks. Deep learning-based methods have proven highly advantageous in orientation recognition and prediction tasks. In this…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Ruoxuan Zhen

Medical image registration is a critical process that aligns various patient scans, facilitating tasks like diagnosis, surgical planning, and tracking. Traditional optimization based methods are slow, prompting the use of Deep Learning (DL)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Amin Ranem , John Kalkhof , Anirban Mukhopadhyay

In most medical image processing tasks, the orientation of an image would affect computing result. However, manually reorienting images wastes time and effort. In this paper, we study the problem of recognizing orientation in cardiac MRI…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Houxin Zhou

Coronary artery stenosis is a critical health risk, and its precise identification in Coronary Angiography (CAG) can significantly aid medical practitioners in accurately evaluating the severity of a patient's condition. The complexity of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 In Kyu Lee , Junsup Shin , Yong-Hee Lee , Jonghoe Ku , Hyun-Woo Kim

Image registration is used in many medical image analysis applications, such as tracking the motion of tissue in cardiac images, where cardiac kinematics can be an indicator of tissue health. Registration is a challenging problem for deep…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Benjamin Graham

Non-rigid registration is a necessary but challenging task in medical imaging studies. Recently, unsupervised registration models have shown good performance, but they often require a large-scale training dataset and long training times.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Heejung Park , Gyeong Min Lee , Soopil Kim , Ga Hyung Ryu , Areum Jeong , Sang Hyun Park , Min Sagong

Registration involving one or more images containing pathologies is challenging, as standard image similarity measures and spatial transforms cannot account for common changes due to pathologies. Low-rank/Sparse (LRS) decomposition removes…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Xu Han , Xiao Yang , Stephen Aylward , Roland Kwitt , Marc Niethammer

Diagnostic investigation has an important role in risk stratification and clinical decision making of patients with suspected and documented Coronary Artery Disease (CAD). However, the majority of existing tools are primarily focused on the…

Image registration is an essential but challenging task in medical image computing, especially for echocardiography, where the anatomical structures are relatively noisy compared to other imaging modalities. Traditional (non-learning)…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Zihao Wang , Yingyu Yang , Maxime Sermesant , Herve Delingette