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Deep learning methods for point tracking are applicable in 2D echocardiography, but do not yet take advantage of domain specifics that enable extremely fast and efficient configurations. We developed MyoTracker, a low-complexity…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Artem Chernyshov , John Nyberg , Vegard Holmstrøm , Md Abulkalam Azad , Bjørnar Grenne , Håvard Dalen , Svein Arne Aase , Lasse Lovstakken , Andreas Østvik

The Magnetic Resonance Fingerprinting (MRF) approach aims to estimate multiple MR or physiological parameters simultaneously with a single fast acquisition sequence. Most of the MRF studies proposed so far have used simple MR sequence types…

Neurons and Cognition · Quantitative Biology 2024-07-16 Antoine Barrier , Thomas Coudert , Aurélien Delphin , Benjamin Lemasson , Thomas Christen

Multi-modality cardiac imaging plays a key role in the management of patients with cardiovascular diseases. It allows a combination of complementary anatomical, morphological and functional information, increases diagnosis accuracy, and…

Image and Video Processing · Electrical Eng. & Systems 2022-08-30 Lei Li , Wangbin Ding , Liqun Huang , Xiahai Zhuang , Vicente Grau

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…

Image and Video Processing · Electrical Eng. & Systems 2020-12-25 Sulaiman Vesal , Mingxuan Gu , Andreas Maier , Nishant Ravikumar

Magnetic resonance (MR) protocols rely on several sequences to assess pathology and organ status properly. Despite advances in image analysis, we tend to treat each sequence, here termed modality, in isolation. Taking advantage of the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Agisilaos Chartsias , Giorgos Papanastasiou , Chengjia Wang , Scott Semple , David E. Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

Segmentation of the left ventricle in cardiac magnetic resonance imaging MRI scans enables cardiologists to calculate the volume of the left ventricle and subsequently its ejection fraction. The ejection fraction is a measurement that…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Garvit Chhabra , J. H. Gagan , J. R. Harish Kumar

Accurate 3D cardiac reconstruction from cine magnetic resonance imaging (cMRI) is crucial for improved cardiovascular disease diagnosis and understanding of the heart's motion. However, current cardiac MRI-based reconstruction technology…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Xiaoxiao He , Chaowei Tan , Ligong Han , Bo Liu , Leon Axel , Kang Li , Dimitris N. Metaxas

In this paper, we propose a new deep learning framework for an automatic myocardial infarction evaluation from clinical information and delayed enhancement-MRI (DE-MRI). The proposed framework addresses two tasks. The first task is…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Kibrom Berihu Girum , Youssef Skandarani , Raabid Hussain , Alexis Bozorg Grayeli , Gilles Créhange , Alain Lalande

Atlas-based approaches allow high-quality, patient-specific shape reconstructions of cardiac anatomy from sparse and/or noisy data such as point clouds. However, these methods are mainly prior-driven, so the impact of uncertainty can be…

Image and Video Processing · Electrical Eng. & Systems 2026-05-11 Jan Verhülsdonk , Thomas Grandits , Francisco Sahli Costabal , Thomas Beiert , Simone Pezzuto , Alexander Effland

Multimodal medical image fusion plays an instrumental role in several areas of medical image processing, particularly in disease recognition and tumor detection. Traditional fusion methods tend to process each modality independently before…

Image and Video Processing · Electrical Eng. & Systems 2023-10-11 Lin Liu , Xinxin Fan , Chulong Zhang , Jingjing Dai , Yaoqin Xie , Xiaokun Liang

Accurate segmentation of the ventricles from cardiac magnetic resonance images (CMRIs) is crucial for enhancing the diagnosis and analysis of heart conditions. Deep learning-based segmentation methods have recently garnered significant…

Image and Video Processing · Electrical Eng. & Systems 2025-03-26 Hong Zheng , Yucheng Chen , Nan Mu , Xiaoning Li

2D echocardiography is the most common imaging modality for cardiovascular diseases. The portability and relatively low-cost nature of Ultrasound (US) enable the US devices needed for performing echocardiography to be made widely available.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Lavsen Dahal , Aayush Kafle , Bishesh Khanal

Aortic valve (AV) biomechanics play a critical role in maintaining normal cardiac function. Pathological variations, particularly in bicuspid aortic valves, alter leaflet loading, increase strain, and accelerate disease progression.…

Three-dimensional cine-MRI is of crucial importance for assessing the cardiac function. Features that describe the anatomy and function of cardiac structures (e.g. Left Ventricle (LV), Right Ventricle (RV), and Myocardium(MC)) are known to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 M. Hossein Eybposh , Mohammad Haghir Ebrahim-Abadi , Mohammad Jalilpour-Monesi , Seyed Saman Saboksayr

Echocardiography plays a fundamental role in the extraction of important clinical parameters (e.g. left ventricular volume and ejection fraction) required to determine the presence and severity of heart-related conditions. When deploying…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Thierry Judge , Olivier Bernard , Woo-Jin Cho Kim , Alberto Gomez , Arian Beqiri , Agisilaos Chartsias , Pierre-Marc Jodoin

Reconstruction and monitoring of displacement and strain fields is an important problem in engineering. We analyze the remote and non-obtrusive methods of strain measurement based on photogrammetry and Digital Image Correlation (DIC). The…

Computer Vision and Pattern Recognition · Computer Science 2016-09-28 Ghulam Mubashar Hassan , Arcady V. Dyskin , Cara K. MacNish

Micro-vascular flow in the myocardium is of significant importance clinically but remains poorly understood. Up to 25% of patients with symptoms of coronary heart diseases have no obstructive coronary arteries and have suspected…

A joint image reconstruction and segmentation approach based on disentangled representation learning was trained to enable cardiac cine MR imaging in real-time and under free-breathing. An exploratory feasibility study tested the proposed…

Structural displacement is crucial for structural health monitoring, although it is very challenging to measure in field conditions. Most existing displacement measurement methods are costly, labor intensive, and insufficiently accurate for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Jongbin Won , Jong-Woong Park , Do-Soo Moon

Understanding the movement of the left ventricle myocardium (LVmyo) during the cardiac cycle is essential for assessing cardiac function. One way to model this movement is through a series of deformable image registrations (DIRs) of the…

Image and Video Processing · Electrical Eng. & Systems 2025-01-14 Mathias Micheelsen Lowes , Jonas Jalili Pedersen , Bjørn S. Hansen , Klaus Fuglsang Kofoed , Maxime Sermesant , Rasmus R. Paulsen