A kurtosis-based wavelet algorithm for motion artifact correction of fNIRS data

NeuroImage
Antonio M ChiarelliGabriele Gratton

Abstract

Movements are a major source of artifacts in functional Near-Infrared Spectroscopy (fNIRS). Several algorithms have been developed for motion artifact correction of fNIRS data, including Principal Component Analysis (PCA), targeted Principal Component Analysis (tPCA), Spline Interpolation (SI), and Wavelet Filtering (WF). WF is based on removing wavelets with coefficients deemed to be outliers based on their standardized scores, and it has proven to be effective on both synthetized and real data. However, when the SNR is high, it can lead to a reduction of signal amplitude. This may occur because standardized scores inherently adapt to the noise level, independently of the shape of the distribution of the wavelet coefficients. Higher-order moments of the wavelet coefficient distribution may provide a more diagnostic index of wavelet distribution abnormality than its variance. Here we introduce a new procedure that relies on eliminating wavelets that contribute to generate a large fourth-moment (i.e., kurtosis) of the coefficient distribution to define "outliers" wavelets (kurtosis-based Wavelet Filtering, kbWF). We tested kbWF by comparing it with other existing procedures, using simulated functional hemodynamic responses added...Continue Reading

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Citations

Jul 28, 2016·Journal of Neuroscience Methods·Carlos Guerrero-MosqueraPhilippe Peigneux
Sep 13, 2018·Journal of Neural Engineering·Zhenhu LiangYunjie Tong
Sep 28, 2017·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·Antonio M ChiarelliGabriele Gratton
Jul 9, 2020·American Journal of Speech-language Pathology·Lindsay K ButlerHelen Tager-Flusberg
Jul 11, 2020·Human Brain Mapping·Arefeh SherafatiJoseph P Culver
Nov 30, 2018·Frontiers in Human Neuroscience·Joohyun Rhee, Ranjana K Mehta
Sep 3, 2020·International Journal of Molecular Sciences·Mario ForcioneAntonio Belli
May 16, 2017·Journal of Neural Engineering·Pierpaolo CroceAntonio Maria Chiarelli
Dec 6, 2018·Biomedical Engineering Online·Hoang-Dung NguyenKeum-Shik Hong
May 5, 2020·Frontiers in Neuroscience·Chuen Wai LeeRobert J Cooper
Sep 24, 2019·Frontiers in Human Neuroscience·Joseph K NuamahSeok Chang Ryu
Jun 21, 2020·Journal of Biomedical Optics·Yingwei LiXiaoli Li
Nov 26, 2020·Scientific Reports·Gabriele GrattonCatarina Rendeiro
Nov 27, 2020·Frontiers in Human Neuroscience·Oshin TyagiKhalid Qaraqe
Mar 19, 2021·Developmental Cognitive Neuroscience·Jessica Gemignani, Judit Gervain
Jun 15, 2021·Applied Ergonomics·Yibo ZhuWilliam S Marras

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