作者机构:[1]School of Computer Science & Engineering South China University, Guangzhou, 510006, China, [2]Department of Computer Science, The Hong Kong Polytechnic University, Hong Kong, China, [3]VCC, Shenzhen Institute of Advanced Technology, Shenzhen, 518055, China
相关基金:supported by Natural Science Foundation of China (60973084) and Fundamental Research Funds for the Central Universities (2012zz0063).