1. Computer Vision Laboratory, Faculty of Computer and Information Science, University of Ljubljana (UL), Ljubljana, Slovenia
2. Department of Computer Science and Information Science, Birla Institute of Technology and Science Pilani (BITS), Pilani, India
3. Department of Informatics, Federal University of Paraná (UFPR), Curitiba, Brazil
4. Institute of Control and Computation Engineering, Warsaw University of Technology (WUT), Warszawa, Poland
5. Department of Computer Engineering, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
6. Faculty of Engineering, Arak University (AU), Arak, Iran
7. Biometrics and Internet-Security Research Group (da/sec), Hochschule Darmstadt (HDA), Darmstadt, Germany
8. R&D Center, TOC Biometrics (TOC), Santiago, Chile
9. School of Electrical and Information Engineering, University of Civil Engineering and Architecture (BUCEA), Beijing, China
10. National Laboratory of Pattern Recognition (NLPR), Institute of Automation, Chinese Academy of Sciences (CASIA), Beijing, China
11. School of Artificial Intelligence, Beijing University of Posts and Telecommunications (BUPT), Beijing, China
12. Smart Living and Biometric Technologies Department, Fraunhofer Institute for Computer Graphics Research (IGD), Darmstadt, Germany
13. Department of Computer Science, Norwegian University of Science and Technology (NTNU), Gjøvik, Norway
14. Department of Electrical and Computer Engineering, Democritus University of Thrace (DUTH), Xanthi, Greece
15. Department of Computer Science and Engineering, Malnad College of Engineering, Hassan, Karnataka, India
16. Department of Information Science and Engineering, JSS Science and Technology University (JSS STU), Mysuru, India
17. Computer Vision and Pattern Recognition Unit, Indian Statistical Institute (ISI) Kolkata, Kolkata, India
18. Laboratory for Machine Intelligence, Faculty of Electrical Engineering, University of Ljubljana (UL), Ljubljana, Slovenia