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There is abundant medical data on the internet, most of which are unlabeled. Traditional supervised learning algorithms are often limited by the amount of labeled data, especially in the medical domain, where labeling is costly in terms of…

信号处理 · 电气工程与系统科学 2022-07-15 Sudip Das , Pankaj Pandey , Krishna Prasad Miyapuram

Due to the scarcity of labeled data, Contrastive Self-Supervised Learning (SSL) frameworks have lately shown great potential in several medical image analysis tasks. However, the existing contrastive mechanisms are sub-optimal for dense…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Hritam Basak , Soumitri Chattopadhyay , Rohit Kundu , Sayan Nag , Rammohan Mallipeddi

The deep image prior showed that a randomly initialized network with a suitable architecture can be trained to solve inverse imaging problems by simply optimizing it's parameters to reconstruct a single degraded image. However, it suffers…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Zenglin Shi , Pascal Mettes , Subhransu Maji , Cees G. M. Snoek

There is an urgent need for triage and classification of high-volume medical imaging modalities such as computed tomography (CT), which can improve patient care and mitigate radiologist burnout. Study-level CT triage requires calibrated…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Lavsen Dahal , Yubraj Bhandari , Geoffrey D. Rubin , Joseph Y. Lo

Reliable interpretation of cardiac ultrasound images is essential for accurate clinical diagnosis and assessment. Self-supervised learning has shown promise in medical imaging by leveraging large unlabelled datasets to learn meaningful…

图像与视频处理 · 电气工程与系统科学 2026-02-18 Youssef Megahed , Salma I. Megahed , Robin Ducharme , Inok Lee , Adrian D. C. Chan , Mark C. Walker , Steven Hawken

Node-level graph anomaly detection (GAD) plays a critical role in identifying anomalous nodes from graph-structured data in various domains such as medicine, social networks, and e-commerce. However, challenges have arisen due to the…

机器学习 · 计算机科学 2023-11-29 Junjun Pan , Yixin Liu , Yizhen Zheng , Shirui Pan

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

Multi-parametric magnetic resonance imaging (mpMRI) exams have various series types acquired with different imaging protocols. The DICOM headers of these series often have incorrect information due to the sheer diversity of protocols and…

图像与视频处理 · 电气工程与系统科学 2025-06-19 Boah Kim , Tejas Sudharshan Mathai , Kimberly Helm , Peter A. Pinto , Ronald M. Summers

Anatomical abnormality detection and report generation of chest X-ray (CXR) are two essential tasks in clinical practice. The former aims at localizing and characterizing cardiopulmonary radiological findings in CXRs, while the latter…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Jinghan Sun , Dong Wei , Zhe Xu , Donghuan Lu , Hong Liu , Hong Wang , Sotirios A. Tsaftaris , Steven McDonagh , Yefeng Zheng , Liansheng Wang

Physiological signals, such as the electrocardiogram and the phonocardiogram are very often corrupted by noisy sources. Usually, artificial intelligent algorithms analyze the signal regardless of its quality. On the other hand, physicians…

信号处理 · 电气工程与系统科学 2023-04-25 Jorge Oliveira , Margarida Carvalho , Diogo Marcelo Nogueira , Miguel Coimbra

Driven by the latest trend towards self-supervised learning (SSL), the paradigm of "pretraining-then-finetuning" has been extensively explored to enhance the performance of clinical applications with limited annotations. Previous literature…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Chuyan Zhang , Yuncheng Yang , Hao Zheng , Yun Gu

Directed graphs have asymmetric connections, yet the current graph clustering methodologies cannot identify the potentially global structure of these asymmetries. We give a spectral algorithm called di-sim that builds on a dual measure of…

机器学习 · 统计学 2015-01-09 Karl Rohe , Tai Qin , Bin Yu

The accurate interpretation of Electrocardiogram (ECG) signals is pivotal for diagnosing cardiovascular diseases. Integrating ECG signals with accompanying textual reports further holds immense potential to enhance clinical diagnostics by…

机器学习 · 计算机科学 2025-05-08 Hung Manh Pham , Aaqib Saeed , Dong Ma

Building accurate and robust artificial intelligence systems for medical image assessment requires not only the research and design of advanced deep learning models but also the creation of large and curated sets of annotated training…

Parameter prediction is essential for many applications, facilitating insightful interpretation and decision-making. However, in many real life domains, such as power systems, medicine, and engineering, it can be very expensive to acquire…

机器学习 · 计算机科学 2024-02-16 Zimeng Lyu , Alexander Ororbia , Rui Li , Travis Desell

In clinical practice, automatic analysis of electrocardiogram (ECG) is widely applied to identify irregular heart rhythms and other electrical anomalies of the heart, enabling timely intervention and potentially improving clinical outcomes.…

机器学习 · 计算机科学 2025-09-03 Zhangyue Shi , Zekai Wang , Yuxuan Li

Conventional pixel-wise loss functions fail to enforce topological constraints in coronary vessel segmentation, producing fragmented vascular trees despite high pixel-level accuracy. We present ARIADNE, a two-stage framework coupling…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Zhan Jin , Yu Luo , Yizhou Zhang , Ziyang Cui , Yuqing Wei , Xianchao Liu , Xueying Zeng , Qing Zhang

Accurate and efficient prediction of the molecular properties of drugs is one of the fundamental problems in drug research and development. Recent advancements in representation learning have been shown to greatly improve the performance of…

生物大分子 · 定量生物学 2022-06-17 Hui Liu , Yibiao Huang , Xuejun Liu , Lei Deng

Frame prediction based on AutoEncoder plays a significant role in unsupervised video anomaly detection. Ideally, the models trained on the normal data could generate larger prediction errors of anomalies. However, the correlation between…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Xiangyu Huang , Caidan Zhao , Jinghui Yu , Chenxing Gao , Zhiqiang Wu

The artificial intelligence (AI) system has achieved expert-level performance in electrocardiogram (ECG) signal analysis. However, in underdeveloped countries or regions where the healthcare information system is imperfect, only paper ECGs…