1. School of Informatics and the Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Xiamen University, Xiamen, China
2. Institute for Infocomm Research, Agency for Science, Technology and Research, Fusionopolis, Singapore
3. School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore
4. School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, China
5. School of Computer Science and Engineering and the Strategic Centre for Research in Privacy-Preserving Technologies, Nanyang Technological University, Jurong West, Singapore
6. Pillar of Information Systems Technology and Design, Singapore University of Technology and Design, Tampines, Singapore