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Evaluating the ability to detect foreign objects in crops using laser range scanners mounted on agricultural vehicles.

机译：使用安装在农用车辆上的激光测距仪评估在农作物中检测异物的能力。

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The general objective of this work was to evaluate the effectiveness of a Laser Measurement Systems (LMS) mounted on an agricultural vehicle at detecting foreign objects in standing crops such as Hay, Wheat, Soy, and Oats. More specifically, to evaluate the effectiveness of various algorithms and evaluating the affect of various test parameters. A SICK LMS 291-S14 scanner was placed on an agricultural tractor to scan different standing crops in which standard test objects were placed.;This system, with the conjunction of other safety systems, may be useful for ensuring safe field operation of autonomous agricultural vehicles.;A high rate of detection was found for objects that were significantly taller than crops. Crop density or foliage cover had a negative impact on the detection rate for shorter test objects. Increasing vehicle speed was also found to reduce detection rates due to lower field scan resolution. The average height and density methods had greater success rates of 72.4% and 49.4%. The discontinuity and connectivity methods had a success rate of 20.6% and 18% respectively.

机译：这项工作的总体目标是评估安装在农用车辆上的激光测量系统（LMS）在检测干草，小麦，大豆和燕麦等现成农作物中的异物时的有效性。更具体地说，是评估各种算法的有效性以及评估各种测试参数的影响。将SICK LMS 291-S14扫描仪放在农用拖拉机上，以扫描放置标准测试对象的不同农作物;该系统与其他安全系统的结合，对于确保自动农用车辆的安全野外操作可能很有用。;发现比作物高得多的物体的检测率很高。对于较短的测试对象，作物密度或树叶覆盖率对检出率具有负面影响。由于降低了场扫描分辨率，还发现提高车速会降低检测率。平均高度和密度方法的成功率更高，分别为72.4％和49.4％。不连续性和连通性方法的成功率分别为20.6％和18％。

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作者
Doerr, Zacharie.;
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作者单位

University of Ottawa (Canada).;

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授予单位 University of Ottawa (Canada).;
学科 Engineering Agricultural.;Engineering Mechanical.
学位 M.A.Sc.
年度 2010
页码 127 p.
总页数 127
原文格式 PDF
正文语种 eng
中图分类
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4. Evaluating the Ability to Detect Foreign Objects in Crops Using Laser Range Scanners Mounted On Agricultural Vehicles [C] . Zacharie Doerr, Claude Lague Annual International Meeting of the American Society of Agricultural and Biological Engineers . 2009

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Evaluating the ability to detect foreign objects in crops using laser range scanners mounted on agricultural vehicles.

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