1. College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
2. Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
3. School of Big Data, Yunnan Agricultural University, Kunming 650201, China
4. Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
5. Department of Systems Design Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada