Wang, Hongtao
Li, Qiang
Yi, Feng
Li, Zhi
Sun, Limin
Funding for this research was provided by:
The "Strategic Priority Research Program" of the Chinese Academy of Sciences (XDA06040101)
National Natural Science Foundation of China (61402463)
The Young Talent Program of Institute of Information Engineering Chinese Academy of Sciences (1102008202)
Article History
Received: 31 December 2015
Accepted: 4 April 2016
First Online: 14 April 2016