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Epilepsy is a chronic neurological disorder affecting 1\% of people worldwide, deep learning (DL) algorithms-based electroencephalograph (EEG) analysis provides the possibility for accurate epileptic seizure (ES) prediction, thereby…

Signal Processing · Electrical Eng. & Systems 2022-05-10 Yankun Xu , Jie Yang , Mohamad Sawan

Electrocardiography (ECG) is a low-cost, widely used modality for diagnosing electrical abnormalities like atrial fibrillation by capturing the heart's electrical activity. However, it cannot directly measure cardiac morphological…

Machine Learning · Computer Science 2026-03-10 Michelle Espranita Liman , Özgün Turgut , Alexander Müller , Eimo Martens , Daniel Rueckert , Philip Müller

Echocardiography is a vital non-invasive modality for cardiac assessment, with left ventricular ejection fraction (LVEF) serving as a key indicator of heart function. Existing LVEF estimation methods depend on large-scale annotated video…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yao Du , Jiarong Guo , Xiaomeng Li

In echocardiography (echo), an electrocardiogram (ECG) is conventionally used to temporally align different cardiac views for assessing critical measurements. However, in emergencies or point-of-care situations, acquiring an ECG is often…

Computer Vision and Pattern Recognition · Computer Science 2021-02-05 Fatemeh Taheri Dezaki , Christina Luong , Tom Ginsberg , Robert Rohling , Ken Gin , Purang Abolmaesumi , Teresa Tsang

Echocardiography (echo), or cardiac ultrasound, is the most widely used imaging modality for cardiac form and function due to its relatively low cost, rapid acquisition time, and non-invasive nature. However, ultrasound acquisitions are…

Quantitative Methods · Quantitative Biology 2025-07-18 David Choi , Milos Vukadinovic , Bryan He , Christina Binder , Yuki Sahashi , David Ouyang

Machine learning (ML)-based analysis of electroencephalograms (EEGs) is playing an important role in advancing neurological care. However, the difficulties in automatically extracting useful metadata from clinical records hinder the…

Computation and Language · Computer Science 2021-09-14 Samarth Rawal , Yogatheesan Varatharajah

We introduce EgoSonics, a method to generate semantically meaningful and synchronized audio tracks conditioned on silent egocentric videos. Generating audio for silent egocentric videos could open new applications in virtual reality,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Aashish Rai , Srinath Sridhar

Synthetic cardiac MRI (CMRI) generation has emerged as a promising strategy to overcome the scarcity of annotated medical imaging data. Recent advances in GANs, VAEs, diffusion probabilistic models, and flow-matching techniques aim to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Ishan Kumarasinghe , Dasuni Kawya , Madhura Edirisooriya , Isuri Devindi , Isuru Nawinne , Vajira Thambawita

The generation of synthetic financial data is a critical technology in the financial domain, addressing challenges posed by limited data availability. Traditionally, statistical models have been employed to generate synthetic data. However,…

Computational Finance · Quantitative Finance 2025-03-07 Yuki Tanaka , Ryuji Hashimoto , Takehiro Takayanagi , Zhe Piao , Yuri Murayama , Kiyoshi Izumi

To address an emerging need for large number of diverse datasets for rigor evaluation of signal processing techniques, we developed and evaluated a new method for generating synthetic electrogastrogram time series. We used…

Signal Processing · Electrical Eng. & Systems 2024-05-09 Nadica Miljković , Nikola Milenić , Nenad B. Popović , Jaka Sodnik

Modern computer vision systems increasingly encounter performance limitations in data-scarce domains, where collecting large-scale, high-quality labeled data is costly or impractical. While controllable diffusion models enable scalable…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Yukang Shen

Supervised training of an automated medical image analysis system often requires a large amount of expert annotations that are hard to collect. Moreover, the proportions of data available across different classes may be highly imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yuan Xue , Jiarong Ye , Rodney Long , Sameer Antani , Zhiyun Xue , Xiaolei Huang

Estimating Left Ventricular Ejection Fraction (LVEF) from echocardiograms constitutes an ill-posed inverse problem. Inherent noise, artifacts, and limited viewing angles introduce ambiguity, where a single video sequence may map not to a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Jinrong Lv , Xun Gong , Zhaohuan Li , Weili Jiang

Synthetic data generation is increasingly used in machine learning for training and data augmentation. Yet, current strategies often rely on external foundation models or datasets, whose usage is restricted in many scenarios due to policy…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Parsa Rahimi , Sebastien Marcel

Ultrasound (US) imaging is a critical tool in medical diagnostics, offering real-time visualization of physiological processes. One of its major advantages is its ability to capture temporal dynamics, which is essential for assessing motion…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Yves Stebler , Thomas M. Sutter , Ece Ozkan , Julia E. Vogt

The efficacy of Electroencephalogram (EEG) classifiers can be augmented by increasing the quantity of available data. In the case of geometric deep learning classifiers, the input consists of spatial covariance matrices derived from EEGs.…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Ce Ju , Reinmar Josef Kobler , Cuntai Guan

Key-point-based scene understanding is fundamental for autonomous driving applications. At the same time, optical flow plays an important role in many vision tasks. However, due to the implicit bias of equal attention on all points, classic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Zhonghua Yi , Hao Shi , Kailun Yang , Qi Jiang , Yaozu Ye , Ze Wang , Huajian Ni , Kaiwei Wang

Ejection fraction (EF) of the left ventricle (LV) is considered as one of the most important measurements for diagnosing acute heart failure and can be estimated during cardiac ultrasound acquisition. While recent successes in deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Sarina Thomas , Qing Cao , Anna Novikova , Daria Kulikova , Guy Ben-Yosef

By generating synthetic biosignals, the quantity and variety of health data can be increased. This is especially useful when training machine learning models by enabling data augmentation and introduction of more physiologically plausible…

Machine Learning · Computer Science 2024-08-30 Katri Karhinoja , Antti Vasankari , Jukka-Pekka Sirkiä , Antti Airola , David Wong , Matti Kaisti

Echocardiography (echo) is a common means of evaluating cardiac conditions. Due to the label scarcity, semi-supervised paradigms in automated echo analysis are getting traction. One of the most sought-after problems in echo is the…

Image and Video Processing · Electrical Eng. & Systems 2019-11-26 Amir H. Abdi , Teresa Tsang , Purang Abolmaesumi