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Masked autoencoders (MAEs) are increasingly applied to electronic health records (EHR) for learning general-purpose representations that support diverse clinical tasks. However, existing approaches typically rely on uniform random masking,…

Machine Learning · Computer Science 2025-12-08 Rajna Fani , Rafi Al Attrach , David Restrepo , Yugang Jia , Leo Anthony Celi , Peter Schüffler

Normative modelling is an emerging method for understanding the underlying heterogeneity within brain disorders like Alzheimer Disease (AD) by quantifying how each patient deviates from the expected normative pattern that has been learned…

Image and Video Processing · Electrical Eng. & Systems 2026-02-06 Sayantan Kumar , Philip Payne , Aristeidis Sotiras

Physiological signals such as electrocardiograms (ECG) and electroencephalograms (EEG) provide complementary insights into human health and cognition, yet multi-modal integration is challenging due to limited multi-modal labeled data, and…

In the field of cardiac electrophysiology (EP), effectively reducing noise in intra-cardiac signals is crucial for the accurate diagnosis and treatment of arrhythmias and cardiomyopathies. However, traditional noise reduction techniques…

Autonomous driving technology has advanced significantly, yet detecting driving anomalies remains a major challenge due to the long-tailed distribution of driving events. Existing methods primarily rely on single-modal road condition video…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Long Zhouxiang , Ovanes Petrosian

Gastrointestinal (GI) imaging via Wireless Capsule Endoscopy (WCE) generates a large number of images requiring manual screening. Deep learning-based Clinical Decision Support (CDS) systems can assist screening, yet their performance relies…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Dimitrios E. Diamantis , Dimitris K. Iakovidis

The variational autoencoder (VAE) is a popular deep latent variable model used to analyse high-dimensional datasets by learning a low-dimensional latent representation of the data. It simultaneously learns a generative model and an…

Machine Learning · Computer Science 2023-11-21 Mine Öğretir , Siddharth Ramchandran , Dimitrios Papatheodorou , Harri Lähdesmäki

Despite recent advances in cancer treatments that prolong patients' lives, treatment-induced cardiotoxicity remains one severe side effect. The clinical decision-making of cardiotoxicity is challenging, as non-clinical symptoms can be…

Human-Computer Interaction · Computer Science 2025-03-04 Siyi Wu , Weidan Cao , Shihan Fu , Bingsheng Yao , Ziqi Yang , Changchang Yin , Varun Mishra , Daniel Addison , Ping Zhang , Dakuo Wang

We propose to utilize a variational autoencoder (VAE) for data-driven channel estimation. The underlying true and unknown channel distribution is modeled by the VAE as a conditional Gaussian distribution in a novel way, parameterized by the…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Michael Baur , Benedikt Fesl , Michael Koller , Wolfgang Utschick

Conditional variational autoencoders (CVAEs) are versatile deep generative models that extend the standard VAE framework by conditioning the generative model with auxiliary covariates. The original CVAE model assumes that the data samples…

Machine Learning · Statistics 2022-03-03 Siddharth Ramchandran , Gleb Tikhonov , Otto Lönnroth , Pekka Tiikkainen , Harri Lähdesmäki

Depression and post-traumatic stress disorder (PTSD) are psychiatric conditions commonly associated with experiencing a traumatic event. Estimating mental health status through non-invasive techniques such as activity-based algorithms can…

Deep Learning (DL) methods have dramatically increased in popularity in recent years. While its initial success was demonstrated in the classification and manipulation of image data, there has been significant growth in the application of…

Machine Learning · Computer Science 2022-06-22 David K. Lim , Naim U. Rashid , Junier B. Oliva , Joseph G. Ibrahim

VVI-ReID is a critical technique for all-day surveillance, where temporal information provides additional cues beyond static images. However, existing approaches rely heavily on fully supervised learning with expensive cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Shuang Li , Jiaxu Leng , Changjiang Kuang , Mingpi Tan , Yu Yuan , Xinbo Gao

We propose a pre-training strategy called Multi-modal Multi-task Masked Autoencoders (MultiMAE). It differs from standard Masked Autoencoding in two key aspects: I) it can optionally accept additional modalities of information in the input…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Roman Bachmann , David Mizrahi , Andrei Atanov , Amir Zamir

Recent advancements in multimodal Variational AutoEncoders (VAEs) have highlighted their potential for modeling complex data from multiple modalities. However, many existing approaches use relatively straightforward aggregating schemes that…

Machine Learning · Computer Science 2025-02-10 Fouad Oubari , Mohamed El Baha , Raphael Meunier , Rodrigue Décatoire , Mathilde Mougeot

Prediction of future states of the environment and interacting agents is a key competence required for autonomous agents to operate successfully in the real world. Prior work for structured sequence prediction based on latent variable…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Apratim Bhattacharyya , Michael Hanselmann , Mario Fritz , Bernt Schiele , Christoph-Nikolas Straehle

In this paper, we introduce a novel Multi-Modal Contrastive Pre-training Framework that synergistically combines X-rays, electrocardiograms (ECGs), and radiology/cardiology reports. Our approach leverages transformers to encode these…

Artificial Intelligence · Computer Science 2024-10-24 Samrajya Thapa , Koushik Howlader , Subhankar Bhattacharjee , Wei le

Healthcare data now span EHRs, medical imaging, genomics, and wearable sensors, but most diagnostic models still process these modalities in isolation. This limits their ability to capture early, cross-modal disease signatures. This paper…

Machine Learning · Computer Science 2025-12-18 Md Talha Mohsin , Ismail Abdulrashid

Malignant ventricular arrhythmias (VT/VF) following acute myocardial infarction (AMI) are a major cause of in-hospital death, yet early identification remains a clinical challenge. While traditional risk scores have limited performance,…

Artificial Intelligence · Computer Science 2025-10-21 Shun Huang , Wenlu Xing , Shijia Geng , Hailong Wang , Guangkun Nie , Gongzheng Tang , Chenyang He , Shenda Hong

While analytical solutions of critical (phase) transitions in physical systems are abundant for simple nonlinear systems, such analysis remains intractable for real-life dynamical systems. A key example of such a physical system is…