作者机构:[1]Hangzhou Instttute of Servzce Engmeermg, Hangzhou Normal University, Hangzhou 311121, China, [2]College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China
相关基金:Project supported by the National Natural Science Foundation of China (Nos. 61271124 and 61471314) and the Zhejiang Provincial Natural Science Foundation of China (Nos. LY13F010001 and LY15F010011)