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Owing to recent advances in thoracic electrical impedance tomography, a patient's hemodynamic function can be noninvasively and continuously estimated in real-time by surveilling a cardiac volume signal associated with stroke volume and…

信号处理 · 电气工程与系统科学 2023-01-05 Chang Min Hyun , Tae Jun Jang , Jeongchan Nam , Hyeuknam Kwon , Kiwan Jeon , Kyunghun Lee

Electrocardiography (ECG) is a non-invasive tool for predicting cardiovascular diseases (CVDs). Current ECG-based diagnosis systems show promising performance owing to the rapid development of deep learning techniques. However, the label…

信号处理 · 电气工程与系统科学 2023-06-21 Rushuang Zhou , Lei Lu , Zijun Liu , Ting Xiang , Zhen Liang , David A. Clifton , Yining Dong , Yuan-Ting Zhang

The label scarcity problem is the main challenge that hinders the wide application of deep learning systems in automatic cardiovascular diseases (CVDs) detection using electrocardiography (ECG). Tuning pre-trained models alleviates this…

机器学习 · 计算机科学 2024-11-18 Rushuang Zhou , Lei Clifton , Zijun Liu , Kannie W. Y. Chan , David A. Clifton , Yuan-Ting Zhang , Yining Dong

Cardiovascular disease (CVD) persists as a primary cause of death on a global scale, which requires more effective and timely detection methods. Traditional supervised learning approaches for CVD detection rely heavily on large-labeled…

定量方法 · 定量生物学 2024-12-17 Shaohan Chen , Zheyan Liu , Huili Zheng , Qimin Zhang , Yiru Gong

Automated heart sounds classification is a much-required diagnostic tool in the view of increasing incidences of heart related diseases worldwide. In this study, we conduct a comprehensive study of heart sounds classification by using…

计算机视觉与模式识别 · 计算机科学 2020-06-05 Balagopal Unnikrishnan , Pranshu Ranjan Singh , Xulei Yang , Matthew Chin Heng Chua

Wearable devices such as smartwatches are becoming increasingly popular tools for objectively monitoring physical activity in free-living conditions. To date, research has primarily focused on the purely supervised task of human activity…

信号处理 · 电气工程与系统科学 2021-05-26 Dimitris Spathis , Ignacio Perez-Pozuelo , Soren Brage , Nicholas J. Wareham , Cecilia Mascolo

Deep regression is an important problem with numerous applications. These range from computer vision tasks such as age estimation from photographs, to medical tasks such as ejection fraction estimation from echocardiograms for disease…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Weihang Dai , Xiaomeng Li , Kwang-Ting Cheng

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-09-09 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

Segmentation in medical imaging is an essential and often preliminary task in the image processing chain, driving numerous efforts towards the design of robust segmentation algorithms. Supervised learning methods achieve excellent…

图像与视频处理 · 电气工程与系统科学 2024-04-03 Pierre Rougé , Pierre-Henri Conze , Nicolas Passat , Odyssée Merveille

Performing low hertz labeling for surgical videos at intervals can greatly releases the burden of surgeons. In this paper, we study the semi-supervised instrument segmentation from robotic surgical videos with sparse annotations. Unlike…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Zixu Zhao , Yueming Jin , Xiaojie Gao , Qi Dou , Pheng-Ann Heng

Machine learning for data-driven diagnosis has been actively studied in medicine to provide better healthcare. Supporting analysis of a patient cohort similar to a patient under treatment is a key task for clinicians to make decisions with…

医学物理 · 物理学 2020-03-25 Rongchen Guo , Takanori Fujiwara , Yiran Li , Kelly M. Lima , Soman Sen , Nam K. Tran , Kwan-Liu Ma

Learning robust contextual knowledge from unlabeled videos is essential for advancing self-supervised tracking. However, conventional self-supervised trackers lack effective context modeling, while existing context association methods based…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Yaozong Zheng , Qihua Liang , Bineng Zhong , Shuimu Zeng , Yuanliang Xue , Ning Li , Shuxiang Song

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang

Robot-assisted catheterization has garnered a good attention for its potentials in treating cardiovascular diseases. However, advancing surgeon-robot collaboration still requires further research, particularly on task-specific automation.…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Olatunji Mumini Omisore , Toluwanimi Akinyemi , Anh Nguyen , Lei Wang

Class-agnostic motion prediction methods aim to comprehend motion within open-world scenarios, holding significance for autonomous driving systems. However, training a high-performance model in a fully-supervised manner always requires…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Kewei Wang , Yizheng Wu , Zhiyu Pan , Xingyi Li , Ke Xian , Zhe Wang , Zhiguo Cao , Guosheng Lin

Sequence data is challenging for machine learning approaches, because the lengths of the sequences may vary between samples. In this paper, we present an unsupervised learning model for sequence data, called the Integrated Sequence…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Wenjie Pei , David M. J. Tax

In this work, we investigate unsupervised representation learning on medical time series, which bears the promise of leveraging copious amounts of existing unlabeled data in order to eventually assist clinical decision making. By evaluating…

机器学习 · 计算机科学 2018-12-04 Xinrui Lyu , Matthias Hueser , Stephanie L. Hyland , George Zerveas , Gunnar Raetsch

We propose a realistic scenario for the unsupervised video learning where neither task boundaries nor labels are provided when learning a succession of tasks. We also provide a non-parametric learning solution for the under-explored problem…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Nattapong Kurpukdee , Adrian G. Bors

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

Unsupervised learning can leverage large-scale data sources without the need for annotations. In this context, deep learning-based autoencoders have shown great potential in detecting anomalies in medical images. However, especially…

图像与视频处理 · 电气工程与系统科学 2020-01-03 David Zimmerer , Simon Kohl , Jens Petersen , Fabian Isensee , Klaus Maier-Hein
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