Yu Wang graduated with a Ph.D. in engineering from the Wuhan University. He is currently teaching in Surveying and Mapping with School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo, China. He is currently teaching in Surveying and Mapping with School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo, China. He is a lecturer, and she research interests include crop condition monitoring, crop nutrition diagnosis and monitoring, crop yield estimation and remote sensing monitoring of crop diseases and insect pests.