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Automated cardiac segmentation from magnetic resonance imaging datasets is an essential step in the timely diagnosis and management of cardiac pathologies. We propose to tackle the problem of automated left and right ventricle segmentation…

Computer Vision and Pattern Recognition · Computer Science 2017-04-28 Phi Vu Tran

Inter prediction is a key technology to reduce the temporal redundancy in video coding. In natural videos, there are usually multiple moving objects with variable velocity, resulting in complex motion fields that are difficult to represent…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Zhuoyuan Li , Yao Li , Chuanbo Tang , Li Li , Dong Liu , Feng Wu

The goal of video segmentation is to turn video data into a set of concrete motion clusters that can be easily interpreted as building blocks of the video. There are some works on similar topics like detecting scene cuts in a video, but…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Hajar Sadeghi Sokeh , Vasileios Argyriou , Dorothy Monekosso , Paolo Remagnino

Electrocardiography is the most common method to investigate the condition of the heart through the observation of cardiac rhythm and electrical activity, for both diagnosis and monitoring purposes. Analysis of electrocardiograms (ECGs) is…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Viktor van der Valk , Douwe Atsma , Roderick Scherptong , Marius Staring

In this paper, we propose a new Transformer block for video future frames prediction based on an efficient local spatial-temporal separation attention mechanism. Based on this new Transformer block, a fully autoregressive video future…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xi Ye , Guillaume-Alexandre Bilodeau

Echocardiography is a vital non-invasive modality for cardiac assessment, with left ventricular ejection fraction (LVEF) serving as a key indicator of heart function. Existing LVEF estimation methods depend on large-scale annotated video…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yao Du , Jiarong Guo , Xiaomeng Li

This article presents a novel approach to keyframe detection in ultrasound videos, with a particular focus on fetal brain imaging. The proposed model is a composite neural network architecture that combines a Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Aleksander Zamojski , Kacper Jarczak , Radoslaw Roszczyk

Cardiovascular disease has become one of the most significant threats endangering human life and health. Recently, Electrocardiogram (ECG) monitoring has been transformed into remote cardiac monitoring by Holter surveillance. However, the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Peng Wang , Zihuai Lin , Xucun Yan , Zijiao Chen , Ming Ding , Yang Song , Lu Meng

Transferring image-based object detectors to the domain of video remains challenging under resource constraints. Previous efforts utilised optical flow to allow unchanged features to be propagated, however, the overhead is considerable when…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Amin Sabet , Jonathon Hare , Bashir Al-Hashimi , Geoff V. Merrett

Automated interpretation of electrocardiograms (ECG) has garnered significant attention with the advancements in machine learning methodologies. Despite the growing interest, most current studies focus solely on classification or regression…

Signal Processing · Electrical Eng. & Systems 2023-11-07 Jielin Qiu , Jiacheng Zhu , Shiqi Liu , William Han , Jingqi Zhang , Chaojing Duan , Michael Rosenberg , Emerson Liu , Douglas Weber , Ding Zhao

The electrocardiogram or ECG has been in use for over 100 years and remains the most widely performed diagnostic test to characterize cardiac structure and electrical activity. We hypothesized that parallel advances in computing power,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Geoffrey H. Tison , Jeffrey Zhang , Francesca N. Delling , Rahul C. Deo

Electrocardiogram (ECG) can be reliably used as a measure to monitor the functionality of the cardiovascular system. Recently, there has been a great attention towards accurate categorization of heartbeats. While there are many…

Computers and Society · Computer Science 2018-11-06 Mohammad Kachuee , Shayan Fazeli , Majid Sarrafzadeh

Transthoracic echocardiography (TTE) is the first-line imaging modality for diagnosing bicuspid aortic valve (BAV), yet diagnostic performance varies with operator expertise and image quality. We developed an explainable AI model that…

Accurate standard plane acquisition in fetal ultrasound (US) videos is crucial for fetal growth assessment, anomaly detection, and adherence to clinical guidelines. However, manually selecting standard frames is time-consuming and prone to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Divyanshu Mishra , Pramit Saha , He Zhao , Netzahualcoyotl Hernandez-Cruz , Olga Patey , Aris Papageorghiou , J. Alison Noble

Accurate coronary artery segmentation is critical for computeraided diagnosis of coronary artery disease (CAD), yet it remains challenging due to the small size, complex morphology, and low contrast with surrounding tissues. To address…

Image and Video Processing · Electrical Eng. & Systems 2025-07-18 Caixia Dong , Duwei Dai , Xinyi Han , Fan Liu , Xu Yang , Zongfang Li , Songhua Xu

Segmentation and measurement of cardiac chambers is critical in cardiac ultrasound but is laborious and poorly reproducible. Neural networks can assist, but supervised approaches require the same laborious manual annotations. We built a…

Image and Video Processing · Electrical Eng. & Systems 2026-02-24 Danielle L. Ferreira , Connor Lau , Zaynaf Salaymang , Rima Arnaout

Objectives: Atrial fibrillation (AF) is a common heart rhythm disorder associated with deadly and debilitating consequences including heart failure, stroke, poor mental health, reduced quality of life and death. Having an automatic system…

Signal Processing · Electrical Eng. & Systems 2018-01-31 Philip Warrick , Masun Nabhan Homsi

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

Heart diseases remain the leading cause of mortality worldwide, implying approximately 18 million deaths according to the WHO. In particular, heart failures (HF) press the healthcare industry to develop systems for their early, rapid, and…

Image and Video Processing · Electrical Eng. & Systems 2025-12-10 Andrés Bell-Navas , María Villalba-Orero , Enrique Lara-Pezzi , Jesús Garicano-Mena , Soledad Le Clainche

Fast Fourier Transform (FFT) relies on the HRV frequency-domain analysis techniques. It requires re-sampling of the inherently unevenly sampled heartbeat time-series (RR tachogram) to produce an evenly sampled time series of the heartbeat.…

Medical Physics · Physics 2022-08-04 Amin Gasmi
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