1. School of Information and Control Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
2. Department of Information Engineering, Chang’an University, Xi’an 710064, China
3. College of Computer Engineering and Science, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
4. Department of Computer Science, University of Buner, Buner 19290, Pakistan
5. Raptor Interactive (Pty) Ltd., Eco Boulevard, Witch Hazel Ave, Centurion 0157, South Africa