Funding for this research was provided by:
Doctoral Startup Foundation of China Three Gorges University (KJ2013B064, KJ2013B063)
Open Fund of Hubei Key Laboratory of Intelligent Vision Based Monitoring for Hydroelectric Engineering (2015KLA08, 2015KLA03)
Natural Science Foundation of Hubei (2015CFB336, 2014CFC1144)
Natural Science Foundation of Hubei Province (2015CFA025)
Natural Science Foundation of Hubei Provincial Department of Education (Q20151208)
National Natural Science Foundation of China (61502274)
Scientific and Technological Project of Yichang City of Hubei Province (A15-302-a13)
Article History
Received: 11 August 2016
Accepted: 7 January 2018
First Online: 30 January 2018