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相关论文: Multivariate Multiscale Dispersion Entropy of Biom…

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Multiscale entropy (MSE) is a widely-used tool to analyze biomedical signals. It was proposed to overcome the deficiencies of conventional entropy methods when quantifying the complexity of time series. However, MSE is undefined for very…

信息论 · 计算机科学 2017-05-04 Hamed Azami , Mostafa Rostaghi , Daniel Abasolo , Javier Escudero

Multiscale entropy (MSE) has been a prevalent algorithm to quantify the complexity of fluctuations in the local mean value of biomedical time series. Recent developments in the field have tried to improve the MSE by reducing its variability…

计算工程、金融与科学 · 计算机科学 2017-05-04 Hamed Azami , Alberto Fernandez , Javier Escudero

Multivariate entropy quantification algorithms are becoming a prominent tool for the extraction of information from multi-channel physiological time-series. However, in the analysis of physiological signals from heterogeneous organ systems,…

信息论 · 计算机科学 2023-01-18 Evangelos Kafantaris , Tsz-Yan Milly Lo , Javier Escudero

Fluctuation-based dispersion entropy (FDispEn) is a new approach to estimate the dynamical variability of the fluctuations of signals. It is based on Shannon entropy and fluctuation-based dispersion patterns. To quantify the physiological…

神经元与认知 · 定量生物学 2019-03-01 Hamed Azami , Steven E. Arnold , Saeid Sanei , Zhuoqing Chang , Guillermo Sapiro , Javier Escudero , Anoopum S. Gupta

To quantify the complexity of a system, entropy-based methods have received considerable critical attentions in real-world data analysis. Among numerous entropy algorithms, amplitude-based formulas, represented by Sample Entropy, suffer…

信号处理 · 电气工程与系统科学 2022-01-12 Hongjian Xiao , Danilo P. Mandic

Causal analysis based on non-uniform embedding schemes is an important way to detect the underlying interactions between dynamic systems. However, there are still some obstacles to estimate high-dimensional conditional mutual information…

统计方法学 · 统计学 2020-02-19 Ziyu Jia , Youfang Lin , Zehui Jiao , Yan Ma , Jing Wang

In this manuscript, we extend the variational multiscale enrichment (VME) method to model the dynamic response of hyperelastic materials undergoing large deformations. This approach enables the simulation of wave propagation under…

计算工程、金融与科学 · 计算机科学 2025-11-19 Abhishek Arora , Caglar Oskay

Using a graph-based approach, we propose a multiscale permutation entropy to explore the complexity of multivariate time series over multiple time scales. This multivariate multiscale permutation entropy (MPEG) incorporates the interaction…

数据分析、统计与概率 · 物理学 2022-10-18 John Stewart Fabila-Carrasco , Chao Tan , Javier Escudero

Massive multiple-input multiple-output (MIMO) stands as a key technology for advancing performance metrics such as data rate, reliability, and spectrum efficiency in the fifth generation (5G) and beyond of wireless networks. However, its…

信号处理 · 电气工程与系统科学 2025-05-19 Sajjad Nassirpour , Toan-Van Nguyen , Duy H. N. Nguyen

Time-series forecasting often faces challenges due to data volatility, which can lead to inaccurate predictions. Variational Mode Decomposition (VMD) has emerged as a promising technique to mitigate volatility by decomposing data into…

机器学习 · 计算机科学 2024-09-05 Hafizh Raihan Kurnia Putra , Novanto Yudistira , Tirana Noor Fatyanosa

By means of the concept of balanced estimation of diffusion entropy we evaluate reliable scale-invariance embedded in different sleep stages and stride records. Segments corresponding to Wake, light sleep, REM, and deep sleep stages are…

无序系统与神经网络 · 物理学 2012-11-14 Wenqing Zhang , Lu Qiu , Qin Xiao , Huijie Yang , Qingjun Zhang , Jianyong Wang

Imaging the bio-impedance distribution of a biological sample can provide understandings about the sample's electrical properties which is an important indicator of physiological status. This paper presents a multi-frequency electromagnetic…

应用物理 · 物理学 2020-07-29 Jinxi Xiang , Zhou Chen , Yonggui Dong , Yunjie Yang

Mendelian Randomization is a widely used instrumental variable method for assessing causal effects of lifelong exposures on health outcomes. Many exposures, however, have causal effects that vary across the life course and often influence…

Multiscale fuzzy entropy (MFE) has been a prevalent tool to quantify the complexity of time series. However, it is extremely sensitive to the predetermined parameters and length of time series and it may yield an inaccurate estimation of…

数据分析、统计与概率 · 物理学 2017-10-05 Zhanwei Jiang , Jinde Zheng , Haiyang Pan , Ziwei Pan

In this paper, a multiscale virtual particle based elastic network model (MVP-ENM) is proposed for biomolecular normal mode analysis. The multiscale virtual particle model is proposed for the discretization of biomolecular density data in…

生物大分子 · 定量生物学 2019-03-13 Kelin Xia

Compressed sensing (CS) demonstrates that sparse signals can be estimated from under-determined linear systems. Distributed CS (DCS) further reduces the number of measurements by considering joint sparsity within signal ensembles. DCS with…

信息论 · 计算机科学 2017-03-24 Junan Zhu , Dror Baron , Florent Krzakala

Network embedding approaches are gaining momentum to analyse a large variety of networks. Indeed, these approaches have demonstrated their efficiency for tasks such as community detection, node classification, and link prediction. However,…

机器学习 · 计算机科学 2021-01-06 Léo Pio-Lopez , Alberto Valdeolivas , Laurent Tichit , Élisabeth Remy , Anaïs Baudot

We present the multiscale entropy analysis of short term physiological time series of simultaneously acquired samples of heart rate, blood pressure and lung volume, from healthy subjects and from subjects with Chronic Heart Failure.…

医学物理 · 物理学 2007-05-23 L. Angelini , R. Maestri , D. Marinazzo , L. Nitti , M. Pellicoro , G. D. Pinna , S. Stramaglia , S. A. Tupputi

This work proposes lossless and near-lossless compression algorithms for multi-channel biomedical signals. The algorithms are sequential and efficient, which makes them suitable for low-latency and low-power signal transmission…

This paper proposes an alternative algorithm for multichannel variational autoencoder (MVAE), a recently proposed multichannel source separation approach. While MVAE is notable in its impressive source separation performance, the…

机器学习 · 计算机科学 2019-02-14 Li Li , Hirokazu Kameoka , Shoji Makino
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