1. School of Information Engineering, Zhejiang A & F University, Lin’an, Zhejiang 311300, People’s Republic of China.
2. Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University, Nacogdoches, TX 75962, USA.
3. Key Laboratory of Forestry Intelligent Monitoring and Information Technology of Zhejiang Province, Zhejiang A & F University, Lin’an, Zhejiang 311300, People’s Republic of China.
4. Forestry Bureau of Zhejiang Province, Hangzhou, Zhejiang 310020, People’s Republic of China.