Affiliation: | 1. College of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China;2. College of Mathematics and Big Data, Guizhou Education University, Guiyang 550018, China;3. College of Computer Science and Electronic Engineering, Hunan University, Changsha 410082, China;4. School of Mechanical and Electrical Engineering, Guizhou Normal University, Guiyang 550025, China |