1. School of Electronics and Information Engineering, Chongqing Three Gorges University,Wanzhou,Chongqing,China,404100
2. Chongqing Three Gorges University,Key Laboratory of Intelligent Information Processing and Control,Wanzhou,Chongqing,China,404100
3. School of Three Gorges Artificial Intelligence, Chongqing Three Gorges University,Wanzhou,Chongqing,China,404100
4. University of Ibadan,Department of Mathematics,Ibadan,Oyo State,Nigeria,200284