Institution: | 1.School of Information Science and Engineering, National Huaqiao University, Xiamen, 361021, China ;2.School of Applied Mathematics, Xiamen University of Technology, Xiamen, 361024, China ;3.Institute for Intelligent Systems, University of Johannesburg, Johannesburg, South Africa ;4.College of Information Engineering, Xiangtan University, Xiangtan, 411105, China ; |