1. College of Information Engineering, Northwest A&F University, Yangling, Xianyang 712100, China
2. Shaanxi Engineering Research Center of Agriculture Information Intelligent Perception and Analysis, Yangling, Xianyang 712100, China
3. College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Xianyang 712100, China
4. College of Economics and Management, Northwest A&F University, Yangling, Xianyang 712100, China
5. College of Horticulture, Northwest A&F University, Yangling, Xianyang 712100, China
6. College of Mathematics and Computer Science, Yan’an University, Xi’an 716000, China