Xiangyun Qing

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We propose a face recognition method named the Laplacian+OPRA-faces approach based on the Laplacian-faces and the OPRA-faces approach. An explicit mapping from the high-dimensional data space to the reduced space is obtained. The method aims to preserve both the local structure of local preserving projections (LLE) and the local geometry of orthogonal(More)
Keywords: Brain–computer interfaces (BCIs) Electroencephalogram (EEG) Least absolute shrinkage and selection operator (LASSO) Steady-state visual evoked potential (SSVEP) Time window (TW) a b s t r a c t Steady-state visual evoked potential (SSVEP) has been increasingly used for the study of brain–computer interface (BCI). How to recognize SSVEP with(More)
A decentralized unscented Kalman filter (UKF) method based on a consensus algorithm for multi-area power system dynamic state estimation is presented in this paper. The overall system is split into a certain number of non-overlapping areas. Firstly, each area executes its own dynamic state estimation based on local measurements by using the UKF. Next, the(More)
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