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Building an echocardiography view classifier that maintains performance in real-life cases requires diverse multi-site data, and frequent updates with newly available data to mitigate model drift. Simply fine-tuning on new datasets results…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Kit M. Bransby , Woo-jin Cho Kim , Jorge Oliveira , Alex Thorley , Arian Beqiri , Alberto Gomez , Agisilaos Chartsias

Aortic stenosis (AS) is a life-threatening condition caused by a narrowing of the aortic valve, leading to impaired blood flow. Despite its high prevalence, access to echocardiography (echo), the gold-standard diagnostic tool, is often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Armin Saadat , Nima Hashemi , Hooman Vaseli , Michael Y. Tsang , Christina Luong , Michiel Van de Panne , Teresa S. M. Tsang , Purang Abolmaesumi

Cardiac amyloidosis, a rare and highly morbid condition, presents significant challenges for detection through echocardiography. Recently, there has been a surge in proposing machine-learning algorithms to identify cardiac amyloidosis, with…

Image and Video Processing · Electrical Eng. & Systems 2024-06-10 Zishun Feng , Joseph A. Sivak , Ashok K. Krishnamurthy

Medical automatic diagnosis aims to imitate human doctors in real-world diagnostic processes and to achieve accurate diagnoses by interacting with the patients. The task is formulated as a sequential decision-making problem with a series of…

Machine Learning · Computer Science 2022-06-07 Hongyi Yuan , Sheng Yu

Multi-view echocardiographic sequences segmentation is crucial for clinical diagnosis. However, this task is challenging due to limited labeled data, huge noise, and large gaps across views. Here we propose a recurrent aggregation learning…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Ming Li , Weiwei Zhang , Guang Yang , Chengjia Wang , Heye Zhang , Huafeng Liu , Wei Zheng , Shuo Li

Semi-supervised image classification has shown substantial progress in learning from limited labeled data, but recent advances remain largely untested for clinical applications. Motivated by the urgent need to improve timely diagnosis of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Zhe Huang , Gary Long , Benjamin Wessler , Michael C. Hughes

In minimally invasive surgery, surgical workflow segmentation from video analysis is a well studied topic. The conventional approach defines it as a multi-class classification problem, where individual video frames are attributed a surgical…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Yitong Zhang , Sophia Bano , Ann-Sophie Page , Jan Deprest , Danail Stoyanov , Francisco Vasconcelos

Cardiac amyloidosis (CA) is a rare cardiomyopathy, with typical abnormalities in clinical measurements from echocardiograms such as reduced global longitudinal strain of the myocardium. An alternative approach for detecting CA is via neural…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Alexander Thorley , Agis Chartsias , Jordan Strom , Roberto Lang , Jeremy Slivnick , Jamie O'Driscoll , Rajan Sharma , Dipak Kotecha , Jinming Duan , Alberto Gomez

The state-of-the-art cardiovascular disease diagnosis techniques use machine-learning algorithms based on feature extraction and classification. In this work, in contrast to a conventional single Electrocardiogram (ECG) lead, two leads are…

Signal Processing · Electrical Eng. & Systems 2023-05-26 Cheng Guo , Sajid Ahmed , Mohamed-Slim Alouini

Echocardiography records ultrasound videos of the heart, enabling clinicians to assess cardiac function. Recent advances in large-scale vision-language models (VLMs) have spurred interest in automating echocardiographic interpretation.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ryo Takizawa , Satoshi Kodera , Tempei Kabayama , Ryo Matsuoka , Yuta Ando , Yuto Nakamura , Haruki Settai , Norihiko Takeda

In this paper ensemble learning based feature selection and classifier ensemble model is proposed to improve classification accuracy. The hypothesis is that good feature sets contain features that are highly correlated with the class from…

Machine Learning · Computer Science 2020-10-28 Tipawan Silwattananusarn , Wanida Kanarkard , Kulthida Tuamsuk

Safety has been recognized as the central obstacle to preventing the use of reinforcement learning (RL) for real-world applications. Different methods have been developed to deal with safety concerns in RL. However, learning reliable…

Machine Learning · Computer Science 2023-02-08 Huiliang Zhang , Di Wu , Benoit Boulet

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

Objective: A novel structure based on channel-wise attention mechanism is presented in this paper. Embedding with the proposed structure, an efficient classification model that accepts multi-lead electrocardiogram (ECG) as input is…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Hao Tung , Chao Zheng , Xinsheng Mao , Dahong Qian

Accurate prediction of cardiovascular diseases remains imperative for early diagnosis and intervention, necessitating robust and precise predictive models. Recently, there has been a growing interest in multi-modal learning for uncovering…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Francesco Girlanda , Olga Demler , Bjoern Menze , Neda Davoudi

The standard way of training video models entails sampling at each iteration a single clip from a video and optimizing the clip prediction with respect to the video-level label. We argue that a single clip may not have enough temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Xitong Yang , Haoqi Fan , Lorenzo Torresani , Larry Davis , Heng Wang

In this paper, we consider a type of image quality assessment as a task-specific measurement, which can be used to select images that are more amenable to a given target task, such as image classification or segmentation. We propose to…

Heart rate estimation from electrocardiogram signals is very important for the early detection of cardiovascular diseases. However, due to large individual differences and varying electrocardiogram signal quality, there does not exist a…

Machine Learning · Computer Science 2019-03-27 Dongrui Wu , Feifei Liu , Chengyu Liu

Analysis of cardiac ultrasound images is commonly performed in routine clinical practice for quantification of cardiac function. Its increasing automation frequently employs deep learning networks that are trained to predict disease or…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Agisilaos Chartsias , Shan Gao , Angela Mumith , Jorge Oliveira , Kanwal Bhatia , Bernhard Kainz , Arian Beqiri

Detecting transitions between intro/credits and main content in videos is a crucial task for content segmentation, indexing, and recommendation systems. Manual annotation of such transitions is labor-intensive and error-prone, while…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Vasilii Korolkov , Andrey Yanchenko
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