无人机遥感作物估产研究进展OA北大核心

Rapid and accurate estimation of crop yield is not only beneficial for early acquisition of food production status,but also crucial for the national food policies making.Unmanned aerial vehicle(UAV)remote sensing technology has played an important role in crop yield estimation due to its advantages of speed,convenience,and low cost,as well as the ability to simultaneously carry multiple sensors to obtain images with high spatio-temporal resolution.Firstly,this article introduced the relevant background of UAV remote sensing production estimation.Secondly,an overview of the research status of UAV remote sensing estimation in the past two decades was provided,with a focus on summarizing the research progress from the aspects of UAV platforms,sensors,and model construction method both domestically and internationally.Finally,the factors that affect the accuracy of yield estimation,unresolved key technical issues,and the future development prospects of UAV remote sensing were discussed.This article can provide important references for understanding the forefront,technological bottlenecks,and development prospects of yield estimation using UAV remote sensing,and give technical support for precision farming and smart breeding.