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首页> 外文会议>Conference on Biological Quality and Precision Agriculture II, Nov 6-8, 2000, Boston, USA >Design of an Optical Weed Sensor Using Plant Spectral Characteristics
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Design of an Optical Weed Sensor Using Plant Spectral Characteristics

机译：利用植物光谱特性的光学杂草传感器设计

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摘要

A spectral-based weed sensor was designed and tested in laboratory and in field. The effective sensing area of the sensor was determined by measuring sensor responses when weeds were placed at different grid points in front of the sensor. When multiple weeds shared the effective sensing area with soil, the weed classification rate was above 70%. The classification rate was below 50% for single weeds. Under field conditions, the weed classification rate reach 87%. Variations in sunlight did not affect the performance of the sensor significantly. The effect of shadows on the performance was significant.
机译：基于光谱的杂草传感器在实验室和现场进行了设计和测试。当杂草被放置在传感器前面的不同网格点时，可通过测量传感器响应来确定传感器的有效传感区域。当多种杂草与土壤共享有效感测面积时，杂草分类率达到70％以上。单杂草的分类率低于50％。在田间条件下，杂草分类率达到87％。阳光的变化不会显着影响传感器的性能。阴影对性能的影响很大。

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