作者机构:[1]School of Information Science and Engineering, Hunan University, Changsha 410082, China, [2]School of Information Science and Engineering, Central South University, Changsha 410083, China
相关基金:Projects(60873265, 61070194) supported by the National Natural Science Foundation of China; Project(2009AA 112205) supported by the National High Technology Research and Development Program of China; Project(2011FJ2003) supported by Science and Technology Key Projects of Hunan Province, China; Project(531107040201) supported by Chinese Universities Scientific Fund