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Measures of linear dependence (coherence) and nonlinear dependence (phase synchronization) between any number of multivariate time series are defined. The measures are expressed as the sum of lagged dependence and instantaneous dependence.…

统计方法学 · 统计学 2007-11-12 Roberto D. Pascual-Marqui

Sleep disorders have a major impact on both lifestyle and health. Effective sleep disorder prediction from lifestyle and physiological data can provide essential details for early intervention. This research utilizes three deep time series…

机器学习 · 计算机科学 2024-12-30 Pegah Ahadian , Wei Xu , Sherry Wang , Qiang Guan

A method is proposed to generate an optimal fit of a number of connected linear trend segments onto time-series data. To be able to efficiently handle many lines, the method employs a stochastic search procedure to determine optimal…

定量方法 · 定量生物学 2017-04-11 Myrl G. Marmarelis

Both the temporal dynamics and spatial correlations of Electroencephalogram (EEG), which contain discriminative emotion information, are essential for the emotion recognition. However, some redundant information within the EEG signals would…

信号处理 · 电气工程与系统科学 2022-11-17 Zhe Wang , Yongxiong Wang , Chuanfei Hu , Zhong Yin , Yu Song

Sounds reach one microphone in a stereo pair sooner than the other, resulting in an interaural time delay that conveys their directions. Estimating a sound's time delay requires finding correspondences between the signals recorded by each…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Ziyang Chen , David F. Fouhey , Andrew Owens

This paper considers the joint device activity detection and channel estimation problem in a massive Internet of Things (IoT) connectivity system, where a large number of IoT devices exist but merely a random subset of them become active…

信号处理 · 电气工程与系统科学 2022-01-06 Qipeng Wang , Liang Liu , Shuowen Zhang , Francis C. M. Lau

We show that the unavoidable increase in neuronal response latency to ongoing stimulation serves as a nonuniform gradual stretching of neuronal circuit delay loops and emerges as an essential mechanism in the formation of various types of…

神经元与认知 · 定量生物学 2012-12-07 Roni Vardi , Reut Timor , Shimon Marom , Moshe Abeles , Ido Kanter

Recent works demonstrated the usefulness of temporal coherence to regularize supervised training or to learn invariant features with deep architectures. In particular, enforcing smooth output changes while presenting temporally-closed…

机器学习 · 计算机科学 2016-01-05 Davide Maltoni , Vincenzo Lomonaco

Measuring transient functional connectivity is an important challenge in Electroencephalogram (EEG) research. Here, the rich potential for insightful, discriminative information of brain activity offered by high temporal resolution is…

神经元与认知 · 定量生物学 2025-02-11 Om Roy , Yashar Moshfeghi , Agustin Ibanez , Francisco Lopera , Mario A Parra , Keith M Smith

Skeleton sequences are compact and lightweight. Numerous skeleton-based action recognizers have been proposed to classify human behaviors. In this work, we aim to incorporate components that are compatible with existing models and further…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Zhenyue Qin , Pan Ji , Dongwoo Kim , Yang Liu , Saeed Anwar , Tom Gedeon

Epilepsy which is characterized by seizures is studied using EEG signals by recording the electrical activity of the brain. Different types of communication between different parts of the brain are characterized by many state of the art…

机器学习 · 计算机科学 2020-09-29 Mohammad Mansour , Fouad Khnaisser , Hmayag Partamian

A large body of literature has shown the substantial inter-regional functional connectivity in the mammal brain. One important property remaining un-studied is the cross-time interareal connection. This paper serves to provide a tool to…

神经元与认知 · 定量生物学 2021-09-06 Ze Wang

This paper focuses on analysis and design of time-varying complex networks having fractional order dynamics. These systems are key in modeling the complex dynamical processes arising in several natural and man made systems. Notably,…

信号处理 · 电气工程与系统科学 2018-09-17 Gaurav Gupta , Sergio Pequito , Paul Bogdan

Discovering causal relationships between different variables from time series data has been a long-standing challenge for many domains such as climate science, finance, and healthcare. Given the complexity of real-world relationships and…

机器学习 · 计算机科学 2022-10-27 Wenbo Gong , Joel Jennings , Cheng Zhang , Nick Pawlowski

Ramsey interferometry is a widely used tool for precisely measuring transition frequencies between two energy levels of a quantum system, with applications in time-keeping, precision spectroscopy, quantum optics, and quantum information.…

量子物理 · 物理学 2023-02-21 H. Hainzer , D. Kiesenhofer , T. Ollikainen , M. Bock , F. Kranzl , M. K. Joshi , G. Yoeli , R. Blatt , T. Gefen , C. F. Roos

This paper considers the problem of data-driven prediction of partially observed systems using a recurrent neural network. While neural network based dynamic predictors perform well with full-state training data, prediction with partial…

系统与控制 · 电气工程与系统科学 2023-04-07 Debdipta Goswami

Event-related potentials (ERPs) extracted from electroencephalography (EEG) data in response to stimuli are widely used in psychological and neuroscience experiments. A major goal is to link ERP characteristic components to subject-level…

统计方法学 · 统计学 2024-06-11 Cheng-Han Yu , Meng Li , Marina Vannucci

This study proposes a deep learning model that effectively suppresses the false alarms in the intensive care units (ICUs) without ignoring the true alarms using single- and multimodal biosignals. Most of the current work in the literature…

定量方法 · 定量生物学 2020-07-01 Sajad Mousavi , Atiyeh Fotoohinasab , Fatemeh Afghah

Discovering frequent episodes in event sequences is an interesting data mining task. In this paper, we argue that this framework is very effective for analyzing multi-neuronal spike train data. Analyzing spike train data is an important…

数据库 · 计算机科学 2008-03-10 Debprakash Patnaik , P. S. Sastry , K. P. Unnikrishnan

We have analyzed the synchronization of a small-world network of chaotic Rulkov neurons with an electrical coupling that contains a delay. We have developed an algorithm to compute a certain delay whose result is to improve the…

适应与自组织系统 · 物理学 2019-05-01 Roberto Lozano , Javier Used , Miguel A. F. Sanjuán