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Autor:
Shenghua Yu, Pan Zhao
Publikováno v:
IEEE Access, Vol 8, Pp 139647-139657 (2020)
Quantile regression is a powerful statistical technique for estimating the quantiles of a conditional distribution on the values of covariates. It has been widely used in many fields. In this paper, an improved interior point algorithm for quantile r
Publikováno v:
IEEE Access, Vol 8, Pp 136512-136523 (2020)
This paper studies the problem of finite-time non-fragile extended dissipative control for the periodic piecewise time-varying systems. First, based on the time-varying Lyapunov matrix and the matrix polynomial condition, a sufficient condition of fi
Publikováno v:
IEEE Access, Vol 8, Pp 76043-76055 (2020)
Discriminative subspace clustering (DSC) combines Linear Discriminant Analysis (LDA) with clustering algorithm, such as K-means (KM), to form a single framework to perform dimension reduction and clustering simultaneously. It has been verified to be
Publikováno v:
IEEE Access, Vol 8, Pp 145593-145600 (2020)
There exists a time lag between short-term exposure to fine particulate matter (PM2.5) and incidence of respiratory diseases. The quantification of length of the time lag is significant for preparation and allocation of relevant medical resources. Se
Publikováno v:
IEEE Access, Vol 8, Pp 44373-44380 (2020)
An accurate frequency estimator of complex sinusoid in additive white noise is proposed. It is based on interpolation of Fast Fourier Transform (FFT) and Discrete-Time Fourier Transform (DTFT). Zero-padding is firstly performed before the FFT of the
Publikováno v:
IEEE Access, Vol 8, Pp 8286-8299 (2020)
The standard support vector machine (SVM) performs poorly on the identification problem of low velocity impact areas due to its lower accuracy rate. Improving SVM’s performance using the bat algorithm (BA) is feasible, but BA has the premature conv
Publikováno v:
IEEE Access, Vol 8, Pp 213330-213339 (2020)
The walking motion of an individual involves considerable variability. We develop a gait variability index that determines how and to what degree repeated human gait motions vary, based on generalized principal motion analysis (GPMA). Principal motio
Publikováno v:
IEEE Access, Vol 8, Pp 175932-175947 (2020)
In a graph $G$ , two spanning trees $T_{1}$ and $T_{2}$ are rooted at the same vertex $r$ . If, for every $v \in V(G)$ , the paths from $v$ to the root $r$ in $T_{1}$ and $T_{2}$ are internally vertex-disjoint, they are called independent spanning tr
Autor:
Anderson Paulo de Paiva, Alexandre Fonseca Torres, José Henrique de Freitas Gomes, Simone Carneiro Streitenberger, Fabrício Alves de Almeida
Publikováno v:
IEEE Access, Vol 8, Pp 183557-183570 (2020)
A new approach to identify and diagnose the quality of extensive and multivariate data is presented, using the gage repeatability and reproducibility (GR&R) study through the weighting of rotated factor scores. The proposal uses axis rotation to impr
Publikováno v:
IEEE Access, Vol 8, Pp 84769-84776 (2020)
Under the uncertain statistical framework by Liu [19], there is still a lack of an effective fitting method for uncertain linear models with Box-Cox transformation of response variables. For example, for the transformation parameter Λ , the uncertai