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Purpose: Real-time (RT) bSSFP MRI enables fast free-breathing cardiovascular imaging but requires 10-16 slices for functional assessment, resulting in prolonged scan times. Simultaneous multi-slice (SMS) imaging can reduce acquisition time…

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…

PURPOSE: Real-time assessment of ventricular volumes requires high acceleration factors. Residual convolutional neural networks (CNN) have shown potential for removing artifacts caused by data undersampling. In this study we investigated…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Andreas Hauptmann , Simon Arridge , Felix Lucka , Vivek Muthurangu , Jennifer A. Steeden

Based on CT and MRI images acquired from normal pressure hydrocephalus (NPH) patients, using machine learning methods, we aim to establish a multi-modal and high-performance automatic ventricle segmentation method to achieve efficient and…

Medical Physics · Physics 2022-02-02 Xi Zhou , Qinghao Ye , Xiaolin Yang , Jiakuan Chen , Haiqin Ma , Jun Xia , Javier Del Ser , Guang Yang

Background: Three-dimensional, whole heart, balanced steady state free precession (WH-bSSFP) sequences provide delineation of intra-cardiac and vascular anatomy. However, they have long acquisition times. Here, we propose significant speed…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Jennifer A. Steeden , Michael Quail , Alexander Gotschy , Andreas Hauptmann , Simon Arridge , Rodney Jones , Vivek Muthurangu

Purpose: To develop a MRI acquisition and reconstruction framework for volumetric cine visualisation of the fetal heart and great vessels in the presence of maternal and fetal motion. Methods: Four-dimensional depiction was achieved using a…

Ultrasound (US) can be used to assess brain development in newborns, as MRI is challenging due to immobilization issues, and may require sedation. Dilatation of the lateral ventricles in the brain is a risk factor for poorer…

Computer Vision and Pattern Recognition · Computer Science 2018-06-07 Marc-Antoine Boucher , Sarah Lippe , Amelie Damphousse , Ramy El-Jalbout , Samuel Kadoury

ECG-gated cine imaging in breath-hold enables high-quality diagnostics in most patients, arrhythmia and inability to hold breath, however, can severely corrupt outcomes. Real-time cardiac MRI in free-breathing leverages robust and faster…

Fetal brain MRI relies on rapid multi-view 2D slice acquisitions to reduce motion artifacts caused by fetal movement. However, these stacks are typically low resolution, may suffer from motion corruption, and do not adequately capture 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Ema Masterl , Tina Vipotnik Vesnaver , Žiga Špiclin

Fluorescence microscopy has been a significant tool to observe long-term imaging of embryos (in vivo) growth over time. However, cumulative exposure is phototoxic to such sensitive live samples. While techniques like light-sheet…

Image and Video Processing · Electrical Eng. & Systems 2022-01-05 Varun Mannam , Jacob Brandt , Cody J. Smith , Scott Howard

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

Background. Functional assessment of right ventricle (RV) using gated myocardial perfusion single-photon emission computed tomography (MPS) heavily relies on the precise extraction of right ventricular contours. In this paper, we present a…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Chen Zhao , Shi Shi , Zhuo He , Cheng Wang , Zhongqiang Zhao , Xinli Li , Yanli Zhou , Weihua Zhou

In many fMRI studies, respiratory signals are unavailable or do not have acceptable quality. Consequently, the direct removal of low-frequency respiratory variations from BOLD signals is not possible. This study proposes a one-dimensional…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Abdoljalil Addeh , Fernando Vega , Rebecca J Williams , Ali Golestani , G. Bruce Pike , M. Ethan MacDonald

This study proposes a novel, contrast-free Magnetic Resonance Fingerprinting (MRF) method using balanced Steady-State Free Precession (bSSFP) sequences for the quantification of cerebral blood volume (CBV), vessel radius (R), and…

Left ventricular (LV) volumes estimation is a critical procedure for cardiac disease diagnosis. The objective of this paper is to address direct LV volumes prediction task. Methods: In this paper, we propose a direct volumes prediction…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Gongning Luo , Suyu Dong , Kuanquan Wang , Wangmeng Zuo , Shaodong Cao , Henggui Zhang

Background: Conventional cardiovascular magnetic resonance (CMR) in paediatric and congenital heart disease uses 2D, breath-hold, balanced steady state free precession (bSSFP) cine imaging for assessment of function and cardiac-gated,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Mark Wrobel , Michele Pascale , Tina Yao , Ruaraidh Campbell , Elena Milano , Michael Quail , Jennifer Steeden , Vivek Muthurangu

PURPOSE: Interactive cardiac magnetic resonance imaging is used for fast scan planning and MR guided interventions. However, the requirement for real-time acquisition and near real-time visualization constrains the achievable…

Computer Vision and Pattern Recognition · Computer Science 2024-09-01 Olivier Jaubert , Javier Montalt-Tordera , Daniel Knight , Pr. Simon Arridge , Jennifer Steeden , Pr. Vivek Muthurangu

Dynamic Magnetic Resonance Imaging (MRI) is a crucial non-invasive method used to capture the movement of internal organs and tissues, making it a key tool for medical diagnosis. However, dynamic MRI faces a major challenge: long…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Tamir Shor , Chaim Baskin , Alex Bronstein

Background: Artificial intelligence techniques have shown great potential in cardiology, especially in quantifying cardiac biventricular function, volume, mass, and ejection fraction (EF). However, its use in clinical practice is not…

Image and Video Processing · Electrical Eng. & Systems 2022-06-07 Ariel H. Curiale , MatÍas E. Calandrelli , Lucca Dellazoppa , Mariano Trevisan , Jorge Luis BociÁn , Juan Pablo Bonifacio , GermÁn Mato

Pressure-sensitive mats (PSM) have proved to be useful in the estimation of respiratory rates (RR) in adult patients. However, PSM technology has not been extensively applied to derive physiologic parameters in infant and neonatal patients.…

Signal Processing · Electrical Eng. & Systems 2018-05-02 Shermeen Nizami , Amente Bekele , Mohamed Hozayen , Kim Greenwood , JoAnn Harrold , James R. Green
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