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Generative Adversarial Networks (GAN) are known to produce synthetic data that are difficult to discern from real ones by humans. In this paper we present an approach to use GAN to produce realistically looking ECG signals. We utilize them…

机器学习 · 计算机科学 2020-09-08 Karol Antczak

Electroencephalography (EEG) signals reflect activities on certain brain areas. Effective classification of time-varying EEG signals is still challenging. First, EEG signal processing and feature engineering are time-consuming and highly…

人机交互 · 计算机科学 2019-08-27 Xiang Zhang , Lina Yao , Xianzhi Wang , Wenjie Zhang , Shuai Zhang , Yunhao Liu

Generative Adversarial Networks (GANs) have been promising in the field of image generation, however, they have been hard to train for language generation. GANs were originally designed to output differentiable values, so discrete language…

机器学习 · 计算机科学 2018-07-04 Mehrad Moradshahi , Utkarsh Contractor

Deep learning image processing models have had remarkable success in recent years in generating high quality images. Particularly, the Improved Denoising Diffusion Probabilistic Models (DDPM) have shown superiority in image quality to the…

信号处理 · 电气工程与系统科学 2023-05-23 Edmond Adib , Amanda Fernandez , Fatemeh Afghah , John Jeff Prevost

Building a voice conversion (VC) system from non-parallel speech corpora is challenging but highly valuable in real application scenarios. In most situations, the source and the target speakers do not repeat the same texts or they may even…

计算与语言 · 计算机科学 2017-06-09 Chin-Cheng Hsu , Hsin-Te Hwang , Yi-Chiao Wu , Yu Tsao , Hsin-Min Wang

Estimating spatially distributed properties such as hydraulic conductivity (K) from available sparse measurements is a great challenge in subsurface characterization. However, the use of inverse modeling is limited for ill-posed,…

机器学习 · 计算机科学 2023-10-11 Jichao Bao , Hongkyu Yoon , Jonghyun Lee

Generative adversarial networks (GAN) have been effective for learning generative models for real-world data. However, existing GANs (GAN and its variants) tend to suffer from training problems such as instability and mode collapse. In this…

机器学习 · 计算机科学 2018-03-05 Chaoyue Wang , Chang Xu , Xin Yao , Dacheng Tao

Generative Adversarial Networks (GANs) represent a promising class of generative networks that combine neural networks with game theory. From generating realistic images and videos to assisting musical creation, GANs are transforming many…

机器学习 · 计算机科学 2017-12-04 Alexandre Yahi , Rami Vanguri , Noémie Elhadad , Nicholas P. Tatonetti

Simulating time-domain observations of gravitational wave (GW) detector environments will allow for a better understanding of GW sources, augment datasets for GW signal detection and help in characterizing the noise of the detectors,…

天体物理仪器与方法 · 物理学 2025-10-23 Tom Dooney , Stefano Bromuri , Lyana Curier

This study introduces a WaveNet-based deep learning model designed to automate the classification of intracranial electroencephalography (iEEG) signals into physiological activity, pathological (epileptic) activity, power-line noise, and…

机器学习 · 计算机科学 2026-01-14 Casper van Laar , Khubaib Ahmed

Electroencephalography has been established as an effective method for detecting Parkinson's disease, typically diagnosed early.Current Parkinson's disease detection methods have shown significant success within individual datasets,…

机器学习 · 计算机科学 2025-08-21 Qian Zhang , Ruilin Zhang , Biaokai Zhu , Xun Han , Jun Xiao , Yifan Liu , Zhe Wang

This paper explains the math behind a generative adversarial network (GAN) model and why it is hard to be trained. Wasserstein GAN is intended to improve GANs' training by adopting a smooth metric for measuring the distance between two…

机器学习 · 计算机科学 2019-04-22 Lilian Weng

In this article, we propose an approach that can make use of not only labeled EEG signals but also the unlabeled ones which is more accessible. We also suggest the use of data fusion to further improve the seizure prediction accuracy. Data…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Nhan Duy Truong , Levin Kuhlmann , Mohammad Reza Bonyadi , Omid Kavehei

Common measures of brain functional connectivity (FC) including covariance and correlation matrices are semi-positive definite (SPD) matrices residing on a cone-shape Riemannian manifold. Despite its remarkable success for Euclidean-valued…

机器学习 · 计算机科学 2022-12-13 Yee-Fan Tan , Chee-Ming Ting , Fuad Noman , Raphaël C. -W. Phan , Hernando Ombao

Electrocardiogram (ECG) is the electrical measurement of cardiac activity, whereas Photoplethysmogram (PPG) is the optical measurement of volumetric changes in blood circulation. While both signals are used for heart rate monitoring, from a…

机器学习 · 计算机科学 2020-12-16 Pritam Sarkar , Ali Etemad

Rigid-motion artifacts, such as cortical bone streaking and trabecular smearing, hinder in vivo assessment of bone microstructures in high-resolution peripheral quantitative computed tomography (HR-pQCT). Despite various motion grading…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Farhan Sadik , Christopher L. Newman , Stuart J. Warden , Rachel K. Surowiec

Artifacts in electroencephalography (EEG) -- muscle, eye movement, electrode, chewing, and shiver -- confound automated analysis yet are costly to label at scale. We study whether modern generative models can synthesize realistic,…

机器学习 · 计算机科学 2025-09-11 Hritik Arasu , Faisal R Jahangiri

To address the challenges in learning deep generative models (e.g.,the blurriness of variational auto-encoder and the instability of training generative adversarial networks, we propose a novel deep generative model, named…

机器学习 · 计算机科学 2019-02-26 Shunkang Zhang , Yuan Gao , Yuling Jiao , Jin Liu , Yang Wang , Can Yang

Electronic Health Records often suffer from missing data, which poses a major problem in clinical practice and clinical studies. A novel approach for dealing with missing data are Generative Adversarial Nets (GANs), which have been…

机器学习 · 计算机科学 2021-08-06 Yinchong Yang , Zhiliang Wu , Volker Tresp , Peter A. Fasching

Generating training examples for supervised tasks is a long sought after goal in AI. We study the problem of heart signal electrocardiogram (ECG) synthesis for improved heartbeat classification. ECG synthesis is challenging: the generation…

信号处理 · 电气工程与系统科学 2020-06-30 Tomer Golany , Daniel Freedman , Kira Radinsky