1. Department of Software, Sejong University, Seoul 143-747, South Korea
2. College of Computing and Informatics, University of Sharjah 27272, UAE, KASIT, University of Jordan 11942, Jordan, and University of Science and Technology 100083, Beijing, China
3. Intelligent Media Laboratory, Department of Software, Sejong University, Seoul 143-747, South Korea
4. TECNALIA, Basque Research & Technology Alliance (BRTA), 48160 Derio, Spain; and the University of the Basque Country (UPV/EHU), 48013 Bilbao, Spain
5. Thapar Institute of Engineering and Technology, Deemed to be University, Patiala 147004, Punjab, India
6. Department of Mathematics, Indian Institute of Technology Indore, Simrol, Indore, 453552, India
7. Centre for Computational Intelligence, School of Computer Science and Electronic Engineering, University of Essex, Wivenhoe Park, Colchester, Essex, CO4 3SQ, United Kingdom