摘要
激光雷达是一种基于激光束探测原理的远程高精度测距和目标检测设备,通过发射脉冲光束并接收反射回的光束来计算目标物体与雷达之间的距离,具有非接触式、高分辨率、快速扫描等特点.重点介绍了激光雷达传感器在果实定位与检测、树体动态检测、果林精细参数提取、果树标靶信息探测、果树建模等方面的应用,同时对激光雷达在作物产量预测、农药标靶定位施药、农机载具自动导航等方面的发展趋势进行了分析,以期为激光雷达在农业领域的进一步应用提供参考.
Abstract
LiDAR is a remote high-precision ranging and target detection equipment based on the principle of laser beam detection.Calculate the distance between the target object and the radar by emitting a pulsed beam of light and receiving the reflected beam.It has the characteristics of non-contact,high resolution,and fast scanning.This article focuses on the application of LiDAR sensors in fruit positioning and detection,tree dynamic detection,fine parameter extraction of trees,target information detection of fruit trees,and fruit tree modeling.At the same time,the development trend of LiDAR in yield prediction,pesticide target positioning and fertilization,and automatic navigation of agricultural machinery vehicles is analyzed.To provide reference for the further application of LiDAR in the agricultural field.LiDAR,an acronym for light detection and ranging,is a remote high-precision ranging and target detection technology that utilizes laser beams to measure distances.By emitting a pulsed beam of light towards an object and measuring the time it takes for the reflected beam to return,LiDAR can accurately determine the distance between the sensor and the target object.This technology offers several advantages,including non-contact measurement,high resolution,and fast scanning speeds.In recent years,LiDAR has found numerous applications in agriculture,particularly in fruit production.Its ability to precisely locate and detect fruits on trees has made it an invaluable tool for farmers and researchers.Some specific applications of LiDAR in agriculture include fruit positioning and detection,tree dynamic detection,fine parameter extraction of trees,target information detection of fruit trees,and fruit tree modeling.Moreover,LiDAR is also being explored for its potential use in predicting crop yields,targeting pesticide spraying and fertilization,and guiding autonomous vehicles used in agricultural machinery.As technology continues to advance,we can expect even more innovative uses of LiDAR in the agricultural sector.This article highlights the various applications of LiDAR in agriculture while analyzing its development trends in yield prediction,pesticide target positioning and fertilization,and automatic navigation of agricultural machinery vehicles.The goal is to provide insights into the further application of LiDAR in the agricultural field.
基金项目
河南省科技攻关项目(232102110036)
河南省重点研发专项(221111111800)
中央级公益性科研院所基本科研业务费专项(1610192023105)
中央级公益性科研院所基本科研业务费专项(1610192024104)