1. College of Information and Management Science, Henan Agricultural University, Zhengzhou 450002, China
2. Key Lab of Smart Agriculture System, Ministry of Education, China Agricultural University, Beijing 100083, China
3. College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
4. Key Laboratory of Quantitative Remote Sensing in Agriculture, Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
5. Institute of Quantitative Remote Sensing and Smart Agriculture, Henan Polytechnic University, Jiaozuo 454000, China