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Recognizing specific events in medical data requires trained personnel. To aid the classification, machine learning algorithms can be applied. In this context, medical records are usually high-dimensional, although a lower dimension can…

Signal Processing · Electrical Eng. & Systems 2025-02-19 Annika Stiehl , Stefan Geißelsöder , Nicole Ille , Fabienne Anselstetter , Harald Bornfleth , Christian Uhl

Continuous monitoring of non-invasive skin sympathetic nerve activity (SKNA) holds promise for understanding the sympathetic nervous system (SNS) dynamics in various physiological and pathological conditions. However, muscle noise artifacts…

Machine Learning · Computer Science 2024-10-30 Farnoush Baghestani , Mahdi Pirayesh Shirazi Nejad , Youngsun Kong , Ki H. Chon

Event-related desynchronization and synchronization (ERD/S) and movement-related cortical potential (MRCP) play an important role in brain-computer interfaces (BCI) for lower limb rehabilitation, particularly in standing and sitting.…

Accurately modelling the dynamics of complex systems and discovering their governing differential equations are critical tasks for accelerating scientific discovery. Using noisy, synthetic data from two damped oscillatory systems, we…

Machine Learning · Computer Science 2026-01-29 Panayiotis Ioannou , Pietro Liò , Pietro Cicuta

Machine learning potential-driven molecular dynamics (MD) simulations have significantly enhanced the predictive accuracy of thermal transport properties across diverse materials. However, extracting phonon-mode-resolved insights from these…

Computational Physics · Physics 2025-09-18 Ting Liang , Wenwu Jiang , Ke Xu , Hekai Bu , Zheyong Fan , Wengen Ouyang , Jianbin Xu

Accurately detecting drowsiness is vital to driving safety. Among all measures, physiological-signal-based drowsiness monitoring can be more privacy-preserving than a camera-based approach. However, conflicts exist regarding how…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Jiyao Wang , Suzan Ayas , Jiahao Zhang , Xiao Wen , Dengbo He , Birsen Donmez

Open-Vocabulary Temporal Action Detection (OV-TAD) aims to classify and localize action segments in untrimmed videos for unseen categories. Previous methods rely solely on global alignment between label-level semantics and visual features,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Sa Zhu , Wanqian Zhang , Lin Wang , Xiaohua Chen , Chenxu Cui , Jinchao Zhang , Bo Li

Efficient and robust Out-of-Distribution (OOD) detection is paramount for safety-critical applications.However, existing methods still execute full-scale inference on low-level statistical noise. This computational mismatch not only incurs…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Ningkang Peng , Chuanjie Cheng , Jingyang Mao , Xiaoqian Peng , Feng Xing , Bo Zhang , Chao Tan , Zhichao Zheng , Peiheng Li , Yanhui Gu

We report a multiscale approach of broad applicability to stochastic reconstruction of multiphase materials, including porous ones. The approach devised uses an optimization method, such as the simulated annealing (SA) and the so-called…

Materials Science · Physics 2018-11-13 R. Piasecki , W. Olchawa , D. Frączek , R. Wiśniowski

Principal Component Analysis (PCA) is a classical method for reducing the dimensionality of data by projecting them onto a subspace that captures most of their variation. Effective use of PCA in modern applications requires understanding…

Statistics Theory · Mathematics 2019-06-14 David Hong , Laura Balzano , Jeffrey A. Fessler

The Otago Exercise Program (OEP) represents a crucial rehabilitation initiative tailored for older adults, aimed at enhancing balance and strength. Despite previous efforts utilizing wearable sensors for OEP recognition, existing studies…

Social anxiety disorder (SAD) is associated with heightened physiological arousal in social-evaluative contexts, but it remains unclear whether such autonomic reactivity extends to non-evaluative cognitive stressors. This study investigated…

Neurons and Cognition · Quantitative Biology 2025-07-23 Arya Adyasha , Anushka Sanjay Shelke , Haroon R Lone

Out-of-distribution (OOD) detection is essential for deploying deep learning models in open-world environments. Existing approaches, such as energy-based scoring and gradient-projection methods, typically rely on high-dimensional…

Machine Learning · Statistics 2025-11-04 Zhexiao Huang , Weihao He , Shutao Deng , Junzhe Chen , Chao Yuan , Hongxin Wang , Changsheng Zhou

Estimating noise information exactly is crucial for noise aware training in speech applications including speech enhancement (SE) which is our focus in this paper. To estimate noise-only frames, we employ voice activity detection (VAD) to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-04 Joohyung Lee , Youngmoon Jung , Myunghun Jung , Hoirin Kim

We use self-report and electrodermal activity (EDA) wearable sensor data from 77 nights of sleep on six participants to test the efficacy of EDA data for sleep monitoring. We used factor analysis to find latent factors in the EDA data, and…

Machine Learning · Computer Science 2019-03-26 William Romine , Tanvi Banerjee , Garrett Goodman

Extended Dynamic Mode Decomposition (EDMD) is a data-driven tool for forecasting and model reduction of dynamics, which has been extensively taken up in the physical sciences. While the method is conceptually simple, in deterministic chaos…

Numerical Analysis · Mathematics 2024-10-18 Caroline L. Wormell

Electroencephalography (EEG) is an integral tool in neurocognitive research worldwide. However, research grade EEG (32/64ch) systems are expensive and have cumbersome setup designed for clinical usage not suited for rugged environment of…

Neurons and Cognition · Quantitative Biology 2022-09-27 Manvi Jain , C. M. Markan

Electrocardiogram (ECG) signals are often degraded by various noise sources such as baseline wander, motion artifacts, and electromyographic interference, posing a major challenge in clinical settings. This paper presents a lightweight deep…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Mahdi Pirayesh Shirazi Nejad , David Hicks , Matt Valentine , Ki H. Chon

Electroencephalography (EEG) provides reliable indications of human cognition and mental states. Accurate emotion recognition from EEG remains challenging due to signal variations among individuals and across measurement sessions. We…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Yun Xiao , Yimeng Zhang , Xiaopeng Peng , Shuzheng Han , Xia Zheng , Dingyi Fang , Xiaojiang Chen

Emotion recognition (ER) technology is an integral part for developing innovative applications such as drowsiness detection and health monitoring that plays a pivotal role in contemporary society. This study delves into ER using…

Human-Computer Interaction · Computer Science 2024-02-07 Haseeb ur Rahman Abbasi , Zeeshan Rashid , Muhammad Majid , Syed Muhammad Anwar
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