Results 201 to 210 of about 30,873 (233)

Chromatic and Anisotropic Cross-Recurrence Quantification Analysis of Interpersonal Behavior [PDF]

open access: yesSpringer Proceedings in Physics, 2016
Cross-recurrence quantification analysis (CRQA) is a powerful nonlinear time-series method to study coordination and cooperation between people. This chapter concentrates on two methodological issues related to CRQA on categorical data streams, which are commonly encountered in the behavioral sciences. Firstly, we introduce a more general definition of
Ralf F A Cox   +2 more
exaly   +3 more sources

Limits of Cross-Recurrence Quantification Analysis in Real-Time Data Processing

2021 5th Scientific School Dynamics of Complex Networks and their Applications (DCNA), 2021
we study data processing in real-time using cross-recurrence quantification analysis. In numerical modeling, the dependence of the calculation speed of the algorithm on the length of the time series is shown. Using a nonlinear model system, the limits of the analysis method are defined.
Yurii M Ishbulatov, M D Prokhorov
exaly   +2 more sources

Classification of mild cognitive impairment EEG using combined recurrence and cross recurrence quantification analysis

International Journal of Psychophysiology, 2017
The present study is aimed at the classification of mild cognitive impairment (MCI) EEG by combining complexity and synchronization features based on quantifiers from the common platform of recurrence based analysis. Recurrence rate (RR) of recurrence quantification analysis (RQA) is used for complexity analysis and RR of cross recurrence ...
Usha Nair
exaly   +3 more sources

Multiscale Cross-Recurrence Plot and Recurrence Quantification Analysis Based on Coarse-Grained

Fluctuation and Noise Letters, 2021
In this paper, we proposed multiscale cross-recurrence quantification analysis (MSCRQA) method to analyze the dynamic states of two time series at different time scales. We apply this method to model system (two coupled van der Pol oscillators) and real-world system (SSEC and SZSE). It demonstrates that the MSCRQA can show richer and more recognizable
A. Jingjing Huang   +2 more
openaire   +1 more source

A Strategy for the Use of the Cross Recurrence Quantification Analysis

Studies in Nonlinear Dynamics & Econometrics, 2020
Abstract In this work, our goal is to analyze the use of the Cross Recurrence Plot (CRP) and its quantification (CRQA) as tools to detect the possible existence of a relationship between two systems. To do that, we define three tests that are a bivariate extension of those proposed by Aparicio et al. (Aparicio, T., E.
Aparicio Aspas, Teresa   +2 more
openaire   +1 more source

Gear Damage Severity Evaluation Based on Cross Recurrence Quantification Analysis

2017 International Conference on Sensing, Diagnostics, Prognostics, and Control (SDPC), 2017
This paper utilizes cross recurrence quantification analysis (CRQA) as a quantitative tool for gear damage severity assessment, and proposes a new approach to simplify the procedure of embedding parameters selection. In principle, the CRQA derives quantitative measures from the cross recurrence plot (CRP) between two different systems to quantitatively
Pu Wang, Ruqiang Yan
exaly   +2 more sources

Investigation of hydrodynamics of gas-solid fluidized beds using cross recurrence quantification analysis

Advanced Powder Technology, 2017
Abstract Hydrodynamics of gas-solid fluidized bed was investigated by analyzing its pressure fluctuations using cross recurrence quantification analysis (CRQA). Pressure fluctuations were measured in a lab scale fluidized bed of various particle sizes at different gas velocities.
Hooman Ziaei-Halimejani   +2 more
exaly   +2 more sources

Concept drift detection on social network data using cross-recurrence quantification analysis

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2018
This paper presents our efforts to detect Concept Drifts (changes in data generation processes), using the Cross-Recurrence Quantification Analysis, on time series produced by social network systems. Experiments were performed on the TSViz project (http://www.tsviz.com.br), which collects online tweets associated with predefined hashtags and processes ...
Rodrigo F. de Mello   +3 more
openaire   +2 more sources

Cross-recurrence plot quantification analysis of input and output signals for the detection of chatter in turning

Nonlinear Dynamics, 2013
Metal cutting is a complex nonlinear dynamical process. Analysis of signals from turning operation shows that the machining exhibits a low-dimensional chaos. The self-excited vibration caused by the regenerative effect, usually called chatter, can be created during machining by increasing one cutting parameter, while keeping all other cutting ...
Jacob Elias, V N Narayanan Namboothiri
exaly   +2 more sources

Semi-supervised time series classification on positive and unlabeled problems using cross-recurrence quantification analysis

Pattern Recognition, 2018
Abstract When dealing with semi-supervised scenarios, the Positive and Unlabeled (PU) problem is a special case in which few labeled examples from a single class of interest are received to proceed with the classification of unseen instances, according to their similarities with the known class.
Lucas De Carvalho Pagliosa   +1 more
exaly   +2 more sources

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