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Electrocardiogram (ECG) delineation, the segmentation of meaningful waveform features, is critical for clinical diagnosis. Despite recent advances using deep learning, progress has been limited by the scarcity of publicly available…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Minje Park , Jeonghwa Lim , Taehyung Yu , Sunghoon Joo

The coronary artery disease (CAD) involves narrowing and damaging the major blood vessels has become the most life threating disease in the world especially in south Asian reason. Although outstanding medical facilities are available in…

Quantitative Methods · Quantitative Biology 2020-03-23 Sohrab Hossain , Dhiman Sarma , Rana Joyti Chakma , Wahidul Alam , Mohammed Moshiul Hoque , Iqbal H. Sarker

Coronary angioplasty with stent implantation is the most frequently used interventional treatment for coronary artery disease. However, reocclusion within the stent, referred to as in-stent restenosis, occurs in up to 10% of lesions. It is…

Computational Engineering, Finance, and Science · Computer Science 2025-02-19 Janina C. Datz , Ivo Steinbrecher , Christoph Meier , Nora Hagmeyer , Leif-Christopher Engel , Alexander Popp , Martin R. Pfaller , Heribert Schunkert , Wolfgang A. Wall

Non-contrast computed tomography calcium scoring (CTCS) is a cost-effective imaging modality widely used to detect coronary artery calcifications. This study aimed to develop an advanced machine learning framework that utilizes quantitative…

Deep learning-based cardiac segmentation has seen significant advancements over the years. Many studies have tackled the challenge of anatomically incorrect segmentation predictions by introducing auxiliary modules. These modules either…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Zahid Ullah , Jihie Kim

Obtaining large-scale medical data, annotated or unannotated, is challenging due to stringent privacy regulations and data protection policies. In addition, annotating medical images requires that domain experts manually delineate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Tushar Kataria , Shireen Y. Elhabian

The segmentation and analysis of coronary arteries from intravascular optical coherence tomography (IVOCT) is an important aspect of diagnosing and managing coronary artery disease. Current image processing methods are hindered by the time…

Machine Learning · Computer Science 2021-04-20 Arjun Balaji , Lachlan Kelsey , Kamran Majeed , Carl Schultz , Barry Doyle

Significant intra-observer and inter-observer variability in the interpretation of coronary angiograms are reported. This variability is in part due to the common practices that rely on performing visual inspections by specialists (e.g.,…

Quantitative Methods · Quantitative Biology 2020-02-27 Babak Ravandi , Arash Ravandi

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori

Ischemic stroke is a time-critical medical emergency where rapid diagnosis is essential for improving patient outcomes. Non-contrast computed tomography (NCCT) serves as the frontline imaging tool, yet it often fails to reveal the subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Maria Thoma , Michalis A. Savelonas , Dimitris K. Iakovidis

Microvascular anatomy is known to be involved in various neurological disorders. However, understanding these disorders is hindered by the lack of imaging modalities capable of capturing the comprehensive three-dimensional vascular network…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Etienne Chollet , Yaël Balbastre , Chiara Mauri , Caroline Magnain , Bruce Fischl , Hui Wang

The success and generalisation of deep learning algorithms heavily depend on learning good feature representations. In medical imaging this entails representing anatomical information, as well as properties related to the specific imaging…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Agisilaos Chartsias , Thomas Joyce , Giorgos Papanastasiou , Scott Semple , Michelle Williams , David Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

Deep learning based semi-supervised learning (SSL) methods have achieved strong performance in medical image segmentation, which can alleviate doctors' expensive annotation by utilizing a large amount of unlabeled data. Unlike most existing…

Image and Video Processing · Electrical Eng. & Systems 2022-07-26 Zihang Xu , Zhenghua Xu , Shuo Zhang , Thomas Lukasiewicz

Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance for medical image segmentation, yet need plenty of manual annotations for training. Semi-Supervised Learning (SSL) methods are promising to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Ran Gu , Jingyang Zhang , Guotai Wang , Wenhui Lei , Tao Song , Xiaofan Zhang , Kang Li , Shaoting Zhang

The objective of this study is the segmentation of the intima-media complex of the common carotid artery, on longitudinal ultrasound images, to measure its thickness. We propose a fully automatic region-based segmentation method, involving…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Nolann Lainé , Guillaume Zahnd , Herv é Liebgott , Maciej Orkisz

Abdominal aortic aneurysm (AAA) is a vascular disease in which a section of the aorta enlarges, weakening its walls and potentially rupturing the vessel. Abdominal ultrasound has been utilized for diagnostics, but due to its limited image…

Image and Video Processing · Electrical Eng. & Systems 2022-08-12 Yordanka Velikova , Walter Simson , Mehrdad Salehi , Mohammad Farid Azampour , Philipp Paprottka , Nassir Navab

Coronary artery disease (CAD) has posed a leading threat to the lives of cardiovascular disease patients worldwide for a long time. Therefore, automated diagnosis of CAD has indispensable significance in clinical medicine. However, the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Xinghua Ma , Gongning Luo , Wei Wang , Kuanquan Wang

We propose a weakly-supervised framework for the semantic segmentation of circular-scan synthetic-aperture-sonar (CSAS) imagery. The first part of our framework is trained in a supervised manner, on image-level labels, to uncover a set of…

The amount of fat on the surroundings of the heart is correlated to several health risk factors such as carotid stiffness, coronary artery calcification, atrial fibrillation, atherosclerosis, cancer incidence and others. Furthermore, the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 É. O. Rodrigues , A. Conci , F. F. C. Morais , M. G. Pérez

Accurate segmentation of anatomical structures in ultrasound (US) images, particularly small ones, is challenging due to noise and variability in imaging conditions (e.g., probe position, patient anatomy, tissue characteristics and…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Danielle L. Ferreira , Ahana Gangopadhyay , Hsi-Ming Chang , Ravi Soni , Gopal Avinash