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Artefacts compromise clinical decision-making in the use of medical time series. Pulsatile waveforms offer probabilities for accurate artefact detection, yet most approaches rely on supervised manners and overlook patient-level distribution…

信号处理 · 电气工程与系统科学 2025-05-01 Xuhang Chen , Ihsane Olakorede , Stefan Yu Bögli , Wenhao Xu , Erta Beqiri , Xuemeng Li , Chenyu Tang , Zeyu Gao , Shuo Gao , Ari Ercole , Peter Smielewski

Artefacts that serve to distinguish bona fide speech from spoofed or deepfake speech are known to reside in specific subbands and temporal segments. Various approaches can be used to capture and model such artefacts, however, none works…

音频与语音处理 · 电气工程与系统科学 2021-08-24 Hemlata Tak , Jee-weon Jung , Jose Patino , Madhu Kamble , Massimiliano Todisco , Nicholas Evans

EEG signals convey important information about brain activity both in healthy and pathological conditions. However, they are inherently noisy, which poses significant challenges for accurate analysis and interpretation. Traditional EEG…

机器学习 · 计算机科学 2025-02-14 David Aquilué-Llorens , Aureli Soria-Frisch

Amyotrophic Lateral Sclerosis (ALS) is a rare neurodegenerative disease, and high-quality EEG data from ALS patients are scarce. This data scarcity, coupled with severe class imbalance between ALS and healthy control recordings, poses a…

机器学习 · 计算机科学 2025-06-23 Abdulvahap Mutlu , Şengül Doğan , Türker Tuncer

Due to its advantages of high temporal and spatial resolution, the technology of simultaneous electroencephalogram-functional magnetic resonance imaging (EEG-fMRI) acquisition and analysis has attracted much attention, and has been widely…

机器学习 · 计算机科学 2023-09-01 Guang Lin , Jianhai Zhang , Yuxi Liu , Tianyang Gao , Wanzeng Kong , Xu Lei , Tao Qiu

Generative adversarial network (GAN) based vocoders have achieved significant attention in speech synthesis with high quality and fast inference speed. However, there still exist many noticeable spectral artifacts, resulting in the quality…

音频与语音处理 · 电气工程与系统科学 2024-07-08 Rubing Shen , Yanzhen Ren , Zongkun Sun

Effective control of neural interfaces is limited by poor signal quality. While neural network-based electroencephalography (EEG) denoising methods for electromyogenic (EMG) artifacts have improved in recent years, current state-of-the-art…

信号处理 · 电气工程与系统科学 2025-09-25 Benjamin J. Choi , Griffin Milsap , Clara A. Scholl , Francesco Tenore , Mattson Ogg

Electroencephalography (EEG) is highly susceptible to artifact contamination, such as electrooculographic (EOG) and electromyographic (EMG) interference, which severely degrades signal quality and hinders reliable interpretation in…

信号处理 · 电气工程与系统科学 2026-05-12 Phat Lam

Existing EEG-driven image reconstruction methods often overlook spatial attention mechanisms, limiting fidelity and semantic coherence. To address this, we propose a dual-conditioning framework that combines EEG embeddings with spatial…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Igor Abramov , Ilya Makarov

Synthesizing geometrical shapes from human brain activities is an interesting and meaningful but very challenging topic. Recently, the advancements of deep generative models like Generative Adversarial Networks (GANs) have supported the…

信号处理 · 电气工程与系统科学 2020-03-02 Xiang Zhang , Xiaocong Chen , Manqing Dong , Huan Liu , Chang Ge , Lina Yao

In recent years, deep learning has been successfully adopted in a wide range of applications related to electronic health records (EHRs) such as representation learning and clinical event prediction. However, due to privacy constraints,…

机器学习 · 计算机科学 2023-09-04 Chang Lu , Chandan K. Reddy , Ping Wang , Dong Nie , Yue Ning

ECG databases are usually highly imbalanced due to the abundance of Normal ECG and scarcity of abnormal cases. As such, deep learning classifiers trained on imbalanced datasets usually perform poorly, especially on minor classes. One…

信号处理 · 电气工程与系统科学 2022-11-21 Edmond Adib , Fatemeh Afghah , John J. Prevost

Mental task identification and classification using single/limited channel(s) electroencephalogram (EEG) signals in real-time play an important role in the design of portable brain-computer interface (BCI) and neurofeedback (NFB) systems.…

信号处理 · 电气工程与系统科学 2022-05-18 Manali Saini , Udit Satija , Madhur Deo Upadhayay

Electromyogenic (EMG) noise is a major contamination source in EEG data that can impede accurate analysis of brain-specific neural activity. Recent literature on EMG artifact removal has moved beyond traditional linear algorithms in favor…

机器学习 · 计算机科学 2025-02-28 Benjamin J. Choi

The last decade has witnessed a notable surge in deep learning applications for the analysis of electroencephalography (EEG) data, thanks to its demonstrated superiority over conventional statistical techniques. However, even deep learning…

信号处理 · 电气工程与系统科学 2024-11-28 Federico Del Pup , Andrea Zanola , Louis Fabrice Tshimanga , Alessandra Bertoldo , Manfredo Atzori

Electroencephalography (EEG) plays a significant role in the Brain Computer Interface (BCI) domain, due to its non-invasive nature, low cost, and ease of use, making it a highly desirable option for widespread adoption by the general…

信号处理 · 电气工程与系统科学 2023-03-13 Giulio Tosato , Cesare M. Dalbagno , Francesco Fumagalli

The electroencephalography (EEG), which is one of the easiest modes of recording brain activations in a non-invasive manner, is often distorted due to recording artifacts which adversely impacts the stimulus-response analysis. The most…

音频与语音处理 · 电气工程与系统科学 2021-11-30 Jaswanth Reddy Katthi , Sriram Ganapathy

Electroencephalography (EEG) measures the electrical brain activity in real-time by using sensors placed on the scalp. Artifacts, due to eye movements and blink, muscular/cardiac activity and generic electrical disturbances, have to be…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Giuseppe Placidi , Luigi Cinque , Matteo Polsinelli

Electroencephalography (EEG) is a widely used non-invasive technique for monitoring brain activity, but low signal-to-noise ratios (SNR) due to various artifacts often compromise its utility. Conventional artifact removal methods require…

信号处理 · 电气工程与系统科学 2025-11-06 Shantanu Sarkar , Piotr Nabrzyski , Saurabh Prasad , Jose Luis Contreras-Vidal

The recent emergence and success of electroencephalography (EEG) in low-cost portable devices, has opened the door to a new generation of applications processing a small number of EEG channels for health monitoring and brain-computer…

数据分析、统计与概率 · 物理学 2018-01-26 Mario Chavez , Fanny Grosselin , Aurore Bussalb , Fabrizio De Vico Fallani , Xavier Navarro-Sune