1. Computational Media and Arts Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China
2. Division of Integrative Systems and Design & Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
3. School of Information, Rochester Institute of Technology, Rochester, NY, USA
4. Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA, USA
5. Faculty of Information Technology, Monash University, Melbourne, Australia