Department of Systems Engineering and Engineering Management The Chinese University of Hong Kong Shatin N.T. Hong Kong SAR China;
Tsinghua-CUHK Joint Research Center for Media Sciences Technologies and Systems Graduate School at Shenzhen Tsinghua U;
Tsinghua-CUHK Joint Research Center for Media Sciences Technologies and Systems Graduate School at Shenzhen Tsinghua University Shenzhen 518055 China;