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We propose the Nonlinear Regression Convolutional Encoder-Decoder (NRCED), a novel framework for mapping a multivariate input to a multivariate output. In particular, we implement our algorithm within the scope of 12-lead surface…

信号处理 · 电气工程与系统科学 2020-12-14 Anton Banta , Romain Cosentino , Mathews M John , Allison Post , Skyler Buchan , Mehdi Razavi , Behnaam Aazhang

EEG signals have been reported to be informative and reliable for emotion recognition in recent years. However, the inter-subject variability of emotion-related EEG signals still poses a great challenge for the practical applications of…

人机交互 · 计算机科学 2022-04-07 Xinke Shen , Xianggen Liu , Xin Hu , Dan Zhang , Sen Song

Self-supervised learning on graphs can be bifurcated into contrastive and generative methods. Contrastive methods, also known as graph contrastive learning (GCL), have dominated graph self-supervised learning in the past few years, but the…

机器学习 · 计算机科学 2024-02-13 Liang Wang , Xiang Tao , Qiang Liu , Shu Wu , Liang Wang

Electrocardiogram (ECG) signals play critical roles in the clinical screening and diagnosis of many types of cardiovascular diseases. Despite deep neural networks that have been greatly facilitated computer-aided diagnosis (CAD) in many…

机器学习 · 计算机科学 2021-05-31 Jingyi Liu , Zhongyu Li , Xiayue Fan , Jintao Yan , Bolin Li , Xuemeng Hu , Qing Xia , Yue Wu

Anomaly detection in 12-lead electrocardiograms (ECGs) is critical for identifying deviations associated with cardiovascular disease. This work presents a comparative analysis of three autoencoder-based architectures: convolutional…

机器学习 · 计算机科学 2025-10-08 Marc Garreta Basora , Mehmet Oguz Mulayim

Nuclear magnetic resonance (NMR) spectroscopy provides an experimental readout of local chemical environments, but its use in molecular representation learning has been constrained by heterogeneous data and incomplete atom-level…

化学物理 · 物理学 2026-05-12 Jiebin Fang , Zidi Yan , Churu Mao , Yongjun Jiang , Xinyi Tang , Lei Miao , Dan Lu , Yun Huang , Wanjing Ding , Zhongjun Ma

We present a novel and interpretable framework for electrocardiogram (ECG)-based disease detection that combines hyperdimensional computing (HDC) with learnable neural encoding. Unlike conventional HDC approaches that rely on static, random…

信号处理 · 电气工程与系统科学 2025-07-24 ZhengXiao He , Jinghao Wen , Huayu Li , Siyuan Tian , Ao Li

Electroencephalogram (EEG) signals are critical for detecting abnormal brain activity, but their high dimensionality and complexity pose significant challenges for effective analysis. In this paper, we propose CwA-T, a novel framework that…

机器学习 · 计算机科学 2024-12-25 Youshen Zhao , Keiji Iramina

Electrocardiograms (ECGs) are essential for diagnosing cardiovascular diseases. However, existing ECG-Report contrastive learning methods focus on whole-ECG and report alignment, missing the link between local ECG features and individual…

信号处理 · 电气工程与系统科学 2025-09-30 Haitao Li , Che Liu , Zhengyao Ding , Ziyi Liu , Wenqi Shao , Zhengxing Huang

Electrocardiogram (ECG) signals, profiling the electrical activities of the heart, are used for a plethora of diagnostic applications. However, ECG systems require multiple leads or channels of signals to capture the complete view of the…

信号处理 · 电气工程与系统科学 2024-05-31 Nabil Ibtehaz , Masood Mortazavi

Continual Test-Time Adaptation (CTTA) is proposed to migrate a source pre-trained model to continually changing target distributions, addressing real-world dynamism. Existing CTTA methods mainly rely on entropy minimization or…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Jiaming Liu , Ran Xu , Senqiao Yang , Renrui Zhang , Qizhe Zhang , Zehui Chen , Yandong Guo , Shanghang Zhang

Electrocardiography (ECG) plays a central role in cardiovascular diagnostics, yet existing automated approaches often struggle to generalize across clinical tasks and offer limited support for open-ended reasoning. We present HeartLLM, a…

人工智能 · 计算机科学 2026-01-27 Jinning Yang , Wenjie Sun , Wen Shi

The automated segmentation of cerebral aneurysms is pivotal for accurate diagnosis and treatment planning. Confronted with significant domain shifts and class imbalance in 3D Rotational Angiography (3DRA) data from various medical…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Fengming Lin , Yan Xia , Michael MacRaild , Yash Deo , Haoran Dou , Qiongyao Liu , Nina Cheng , Nishant Ravikumar , Alejandro F. Frangi

Electroencephalography (EEG), with its broad range of applications, necessitates models that can generalize effectively across various tasks and datasets. Large EEG Models (LEMs) address this by pretraining encoder-centric architectures on…

机器学习 · 计算机科学 2025-09-29 Chenyu Liu , Yuqiu Deng , Tianyu Liu , Jinan Zhou , Xinliang Zhou , Ziyu Jia , Yi Ding

The 12-lead electrocardiogram (ECG) is a commonly used tool for detecting cardiac abnormalities such as atrial fibrillation, blocks, and irregular complexes. For the PhysioNet/CinC 2020 Challenge, we built an algorithm using gradient…

信号处理 · 电气工程与系统科学 2020-10-27 Alexander William Wong , Weijie Sun , Sunil Vasu Kalmady , Padma Kaul , Abram Hindle

Deep learning-based electrocardiogram (ECG) classification has shown impressive performance but clinical adoption has been slowed by the lack of transparent and faithful explanations. Post hoc methods such as saliency maps may fail to…

An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, sue to high mortality rate of heart-related disease. However,…

信号处理 · 电气工程与系统科学 2018-11-02 Jiaming Chen , Ali Valehi , Abolfazl Razi

Obtaining labelled ECG data for developing supervised models is challenging. Contrastive learning (CL) has emerged as a promising pretraining approach that enables effective transfer learning with limited labelled data. However, existing CL…

机器学习 · 计算机科学 2026-01-23 Muhammad Ilham Rizqyawan , Peter Macfarlane , Stathis Hadjidemetriou , Fani Deligianni

Self-supervised models allow (pre-)training on unlabeled data and therefore have the potential to overcome the need for large annotated cohorts. One leading self-supervised model is the masked autoencoder (MAE) which was developed on…

图像与视频处理 · 电气工程与系统科学 2023-03-13 Daniel M. Lang , Eli Schwartz , Cosmin I. Bercea , Raja Giryes , Julia A. Schnabel

Artificial intelligence (AI) tools for radiology are commonly unmonitored once deployed. The lack of real-time case-by-case assessments of AI prediction confidence requires users to independently distinguish between trustworthy and…