1. College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing Municipal Level Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology, Chongqing, China
2. Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
3. Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Beijing, China
4. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Hubei, China