作者机构:[1]School of Information Science and Engineering, Central South University, Changsha 410083, China, [2]School of Computer and Communication Engineering, Changsha University of Science and Technology, Changsha 410076, China
相关基金:Foundation item: Projects(61170199, 60874070) supported by the National Natural Science Foundation of China; Project(11A004) supported by the Major Project of Education Department in Hunan Province, China; Project(2010GK3067) supported by Science and Technology Planning of Hunan Province, China