1. Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur, Malaysia
2. Computer Vision and Pattern Recognition Unit, Indian Statistical Institute, Kolkata, India
3. National Key Lab for Novel Software Technology, Nanjing University Nanjing, P. R. China
4. Computer Science & Engineering, Lehigh University, Bethlehem, PA, USA
5. Computer Science & Engineering, Techno India University, Sector 5, Salt Lake, Kolkata