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Cardiac image segmentation is a critical process for generating personalized models of the heart and for quantifying cardiac performance parameters. Several convolutional neural network (CNN) architectures have been proposed to segment the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Shusil Dangi , Cristian Linte , Ziv Yaniv

Computer-aided diagnosis (CAD) techniques for lung field segmentation from chest radiographs (CXR) have been proposed for adult cohorts, but rarely for pediatric subjects. Statistical shape models (SSMs), the workhorse of most…

Computer Vision and Pattern Recognition · Computer Science 2018-07-13 Awais Mansoor , Juan J. Cerrolaza , Geovanny Perez , Elijah Biggs , Kazunori Okada , Gustavo Nino , Marius George Linguraru

The ability to map left ventricle (LV) myocardial motion using computed tomography angiography (CTA) is essential to diagnosing cardiovascular conditions and guiding interventional procedures. Due to their inherent locality, conventional…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Shahar Zuler , Shai Tejman-Yarden , Dan Raviv

Segmentation of cardiac anatomical structures in cardiac magnetic resonance images (CMRI) is a prerequisite for automatic diagnosis and prognosis of cardiovascular diseases. To increase robustness and performance of segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2020-11-16 Jörg Sander , Bob D. de Vos , Ivana Išgum

Accurate segmentation of cardiac structures in cardiovascular magnetic resonance (CMR) images is essential for reliable diagnosis and treatment of cardiovascular diseases. However, manual segmentation remains time-consuming and suffers from…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Ujjwal Jain

In silico tissue models enable evaluating quantitative models of magnetic resonance imaging. This includes validating and sensitivity analysis of imaging biomarkers and tissue microstructure parameters. We propose a novel method to generate…

Left ventricle segmentation and morphological assessment are essential for improving diagnosis and our understanding of cardiomyopathy, which in turn is imperative for reducing risk of myocardial infarctions in patients. Convolutional…

Image and Video Processing · Electrical Eng. & Systems 2020-02-14 Sulaiman Vesal , Nishant Ravikumar , Andreas Maier

We propose a new iterative segmentation model which can be accurately learned from a small dataset. A common approach is to train a model to directly segment an image, requiring a large collection of manually annotated images to capture the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Danielle F. Pace , Adrian V. Dalca , Tom Brosch , Tal Geva , Andrew J. Powell , Jürgen Weese , Mehdi H. Moghari , Polina Golland

Biomedical image segmentation is critical for accurate identification and analysis of anatomical structures in medical imaging, particularly in cardiac MRI. Manual segmentation is labor-intensive, time-consuming, and prone to errors,…

Image and Video Processing · Electrical Eng. & Systems 2024-08-28 Ting Yu Tsai , Li Lin , Shu Hu , Ming-Ching Chang , Hongtu Zhu , Xin Wang

Coronary Heart Disease affects millions of people worldwide and is a well-studied area of healthcare. There are many viable and accurate methods for the diagnosis and prediction of heart disease, but they have limiting points such as…

Artificial Intelligence · Computer Science 2024-09-24 Jamal Al-Karaki , Philip Ilono , Sanchit Baweja , Jalal Naghiyev , Raja Singh Yadav , Muhammad Al-Zafar Khan

We propose a methodology to predict the cardiac epicardial and mediastinal fat volumes in computed tomography images using regression algorithms. The obtained results indicate that it is feasible to predict these fats with a high degree of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 É. O. Rodrigues , V. H. A. Pinheiro , P. Liatsis , A. Conci

Accurate segmentation of cardiac structures can assist doctors to diagnose diseases, and to improve treatment planning, which is highly demanded in the clinical practice. However, the shortage of annotation and the variance of the data…

Image and Video Processing · Electrical Eng. & Systems 2022-08-05 Yao Zhang , Jiawei Yang , Feng Hou , Yang Liu , Yixin Wang , Jiang Tian , Cheng Zhong , Yang Zhang , Zhiqiang He

This work evaluates deep learning-based myocardial infarction (MI) quantification using Segment cardiovascular magnetic resonance (CMR) software. Segment CMR software incorporates the expectation-maximization, weighted intensity, a priori…

Image and Video Processing · Electrical Eng. & Systems 2021-09-03 Olivier Rukundo

Cardiac Magnetic Resonance (CMR) imaging is commonly used to assess cardiac structure and function. One disadvantage of CMR is that post-processing of exams is tedious. Without automation, precise assessment of cardiac function via CMR…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Jesse Lieman-Sifry , Matthieu Le , Felix Lau , Sean Sall , Daniel Golden

Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) is a valuable tool to localize, characterize, and evaluate anomalous prostate tissue. Ultrafast gradient-echo acquisitions of MRI volumes are generated at regular time intervals…

Medical Physics · Physics 2017-10-11 Wuilian Torres , Leonardo Cordero , Miguel Martín-Landrove , Antonio Rueda-Toicen

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

Accurate myocardium segmentation across all phases in one cardiac cycle in cine cardiac magnetic resonance (CMR) scans is crucial for comprehensively cardiac function analysis. Despite advancements in deep learning (DL) for automatic cine…

Image and Video Processing · Electrical Eng. & Systems 2024-07-17 Zhennong Chen , Sekeun Kim , Hui Ren , Quanzheng Li , Xiang Li

The limitations of conventional imaging techniques have hitherto precluded a thorough and formal investigation of the complex morphology of the left ventricular (LV) endocardial surface and its relation to the severity of Coronary Artery…

Computer Vision and Pattern Recognition · Computer Science 2013-02-14 Anirban Mukhopadhyay , Zhen Qian , Suchendra M. Bhandarkar , Tianming Liu , Sarah Rinehart , Szilard Voros

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

We propose a novel multi-stage trans-dimensional architecture for multi-view cardiac image segmentation. Our method exploits the relationship between long-axis (2D) and short-axis (3D) magnetic resonance (MR) images to perform a sequential…

Image and Video Processing · Electrical Eng. & Systems 2024-04-26 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh