Monitoring spray drift in aerial spray application based on infrared thermal imaging technology
文献类型： 外文期刊
作者： Jiao, Leizi 1 ; Dong, Daming 1 ; Feng, Haikuan 1 ; Zhao, Xiande 1 ; Chen, Liping 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Natl Res Ctr Intelligent Equipment Agr, Beijing, Peoples R China
关键词： Aerial spray application;Spray drift;Infrared thermal imaging;Water-sensitive paper
期刊名称：COMPUTERS AND ELECTRONICS IN AGRICULTURE （ 影响因子：5.565； 五年影响因子：5.494 ）
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收录情况： SCI
摘要： The pesticide drift in aerial spray applications is harmful both to environment and human beings but hard to be measured. We demonstrated a new method for real-time evaluation of pesticide drift which used infrared thermal imaging technology to detect the thermal differences before and after spraying process and then measured the range and concentration distribution of droplets. The drift distribution and spray range are detected using infrared thermal imaging system combined with image processing algorithms. The experiments were carried out in both ground spray and aerial spray applications. The results showed that this method had the ability to detect the tiny thermal differences during spray application and thus to monitor the aerial drifts. Furthermore, the testing results using this method had well agreement with the water-sensitive paper method. Therefore, it is verified that infrared thermal imaging method combined with infrared image processing algorithms can be used to monitor the pesticide drift in aerial spray application with advantages of fast, non-contact and able to realize real-time measurement. (C) 2015 Elsevier B.V. All rights reserved.
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