1. Research and Development Center, Philippine Coding Camp, Manila 1004, Philippines
2. College of Computing and Information Technologies, National University, Manila 1008, Philippines
3. School of Electrical, Electronics and Computer Engineering, Mapúa University, Manila 1002, Philippines
4. Faculty of Information and Communication Studies, University of the Philippines Open University, Laguna 4031, Philippines
5. Center for Computational Imaging and Visual Innovations, De La Salle University, 2401 Taft Ave., Malate, Manila 1004, Philippines