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Recent advancements in early assessment of pulmonary hypertension (PH) primarily focus on applying machine learning methods to centralized diagnostic modalities, such as 12-lead electrocardiogram (12L-ECG). Despite their potential, these…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Mohammod N. I. Suvon , Shuo Zhou , Prasun C. Tripathi , Wenrui Fan , Samer Alabed , Bishesh Khanal , Venet Osmani , Andrew J. Swift , Chen , Chen , Haiping Lu

We propose an efficient abnormal event detection model based on a lightweight masked auto-encoder (AE) applied at the video frame level. The novelty of the proposed model is threefold. First, we introduce an approach to weight tokens based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Nicolae-Catalin Ristea , Florinel-Alin Croitoru , Radu Tudor Ionescu , Marius Popescu , Fahad Shahbaz Khan , Mubarak Shah

The electrocardiogram (ECG) is routinely used in hospitals to analyze cardiovascular status and health of an individual. Abnormal heart rhythms can be a precursor to more serious conditions including sudden cardiac death. Classifying…

Signal Processing · Electrical Eng. & Systems 2022-07-15 Neville D. Gai

Anomaly localization is an important problem in computer vision which involves localizing anomalous regions within images with applications in industrial inspection, surveillance, and medical imaging. This task is challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Shashanka Venkataramanan , Kuan-Chuan Peng , Rajat Vikram Singh , Abhijit Mahalanobis

The performances of commonly used electrocardiogram (ECG) diagnosis models have recently improved with the introduction of deep learning (DL). However, the impact of various combinations of multiple DL components and/or the role of data…

Signal Processing · Electrical Eng. & Systems 2022-08-02 Jae-Won Choi , Dae-Yong Hong , Chan Jung , Eugene Hwang , Sung-Hyuk Park , Seung-Young Roh

Anomaly detection on attributed networks aims at finding nodes whose patterns deviate significantly from the majority of reference nodes, which is pervasive in many applications such as network intrusion detection and social spammer…

Machine Learning · Computer Science 2020-02-13 Haoyi Fan , Fengbin Zhang , Zuoyong Li

Cardiovascular disease (CVD) is a major pediatric health burden, and early screening is of critical importance. Electrocardiography (ECG), as a noninvasive and accessible tool, is well suited for this purpose. This paper presents the first…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Yiqiao Chen

Deep learning (DL) methods where interpretability is intrinsically considered as part of the model are required to better understand the relationship of clinical and imaging-based attributes with DL outcomes, thus facilitating their use in…

Image and Video Processing · Electrical Eng. & Systems 2022-12-13 Irem Cetin , Maialen Stephens , Oscar Camara , Miguel Angel Gonzalez Ballester

In this paper, we demonstrate the potential of applying Variational Autoencoder (VAE) [10] for anomaly detection in skin disease images. VAE is a class of deep generative models which is trained by maximizing the evidence lower bound of…

Machine Learning · Computer Science 2018-07-26 Yuchen Lu , Peng Xu

The electrocardiogram (ECG) is a valuable signal used to assess various aspects of heart health, such as heart rate and rhythm. It plays a crucial role in identifying cardiac conditions and detecting anomalies in ECG data. However,…

Signal Processing · Electrical Eng. & Systems 2024-03-07 Nhat-Tan Bui , Dinh-Hieu Hoang , Thinh Phan , Minh-Triet Tran , Brijesh Patel , Donald Adjeroh , Ngan Le

The Variational Autoencoder (VAE) is a powerful architecture capable of representation learning and generative modeling. When it comes to learning interpretable (disentangled) representations, VAE and its variants show unparalleled…

Machine Learning · Computer Science 2019-04-17 Michal Rolinek , Dominik Zietlow , Georg Martius

In the contemporary digital landscape, the continuous generation of extensive streaming data across diverse domains has become pervasive. Yet, a significant portion of this data remains unlabeled, posing a challenge in identifying…

Computational Engineering, Finance, and Science · Computer Science 2025-08-25 Jin Li , Kleanthis Malialis , Christos G. Panayiotou , Marios M. Polycarpou

Anomaly detection (such as telecom fraud detection and medical image detection) has attracted the increasing attention of people. The complex interaction between multiple entities widely exists in the network, which can reflect specific…

Machine Learning · Computer Science 2024-06-10 Xu Yuan , Na Zhou , Shuo Yu , Huafei Huang , Zhikui Chen , Feng Xia

Driver vigilance estimation is an important task for transportation safety. Wearable and portable brain-computer interface devices provide a powerful means for real-time monitoring of the vigilance level of drivers to help with avoiding…

Machine Learning · Computer Science 2021-06-15 Guangyi Zhang , Ali Etemad

In this study, we consider the reliability assessment of anomaly detection (AD) using Variational Autoencoder (VAE). Over the last decade, VAE-based AD has been actively studied in various perspective, from method development to applied…

Machine Learning · Statistics 2024-06-04 Daiki Miwa , Tomohiro Shiraishi , Vo Nguyen Le Duy , Teruyuki Katsuoka , Ichiro Takeuchi

Cross-modal retrieval is to utilize one modality as a query to retrieve data from another modality, which has become a popular topic in information retrieval, machine learning, and database. How to effectively measure the similarity between…

Information Retrieval · Computer Science 2021-12-07 Jiwei Zhang , Yi Yu , Suhua Tang , Jianming Wu , Wei Li

High-impedance faults (HIF) are difficult to detect because of their low current amplitude and highly diverse characteristics. In recent years, machine learning (ML) has been gaining popularity in HIF detection because ML techniques learn…

Machine Learning · Computer Science 2021-06-28 Khushwant Rai , Farnam Hojatpanah , Firouz Badrkhani Ajaei , Katarina Grolinger

Nowadays, an increasing number of people are being diagnosed with cardiovascular diseases (CVDs), the leading cause of death globally. The gold standard for identifying these heart problems is via electrocardiogram (ECG). The standard…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Khiem H. Le , Hieu H. Pham , Thao B. T. Nguyen , Tu A. Nguyen , Cuong D. Do

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…

Machine Learning · Computer Science 2024-12-25 Youshen Zhao , Keiji Iramina

While Deep Learning (DL) enhances automated electrocardiogram (ECG) analysis, clinical deployment is hindered by class imbalance and the generalization gap. This paper presents HeartBeatAI, a deep learning framework combining domain…

Artificial Intelligence · Computer Science 2026-05-26 Shubham Gupta , Nikhil Panwar , Partha Pratim Roy