1. Sejong University, Seoul, Republic of Korea
2. Visual Analytics for Knowledge Laboratory (VIS2KNOW Lab), Department of Applied Artificial Intelligence, School of Convergence, College of Computing and Informatics, Sungkyunkwan University, Seoul, Republic of Korea
3. Faculty of Computers & Information Technology, Computer Science Department, University of Tabuk, Tabuk, Saudi Arabia
4. Digital Image Processing Laboratory, Department of Computer Science, Islamia College Peshawar, Peshawar, Pakistan
5. Department of Teleinformatics Engineering, Federal University of Ceará, Fortaleza, Fortaleza/CE, Brazil