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    • 81. 发明授权
    • Method of predicting crop yield loss due to n-deficiency
    • 预测因缺陷造成的作物产量损失的方法
    • US09195891B2
    • 2015-11-24
    • US13959144
    • 2013-08-05
    • THE CURATORS OF THE UNIVERSITY OF MISSOURI
    • Peter Clifton ScharfVictoria Cacnio Hubbard
    • G06K9/00G06Q10/06A01C21/00
    • G06K9/00657A01C21/007G06K9/0063G06Q10/06315
    • A method for determining the yield loss of a crop using remote sensor data is described. The yield loss is determined using the reflectivity of green light by the crop canopy measured from remote sensor data such as an aerial photograph that is digitized and spatially referenced to the field's longitude and latitude. Green pixel values from the aerial photograph, expressed relative to green pixel values from well-fertilized areas of the field, are transformed to yield losses using a linear transformation that was developed using empirical data. A similar method is described to determine recommended nitrogen fertilization rates for the crop fields. The yield loss data is useful for nitrogen fertilization management, as it allows a producer of crops to weigh the expense of fertilization against the loss of revenue due to yield loss.
    • 描述了使用远程传感器数据确定作物的产量损失的方法。 产量损失是使用由遥控传感器数据测量的作物冠层的绿光的反射率确定的,例如数字化并空间参考场的经度和纬度的空中照片。 通过使用经验数据开发的线性变换,将来自空间照片的绿色像素值相对于来自受精区域的绿色像素值进行变换以产生损失。 描述了类似的方法来确定作物田的推荐氮肥率。 产量损失数据对于氮肥管理是有用的,因为它允许作物生产者权衡施肥费用与产量损失造成的收入损失。
    • 85. 发明申请
    • METHOD OF PREDICTING CROP YIELD LOSS DUE TO N-DEFICIENCY
    • 预测缺粮造成的损失的方法
    • US20140039967A1
    • 2014-02-06
    • US13959144
    • 2013-08-05
    • The Curators of the University of Missouri
    • Peter Clifton ScharfVictoria Cacnio Hubbard
    • G06K9/00G06Q10/06
    • G06K9/00657A01C21/007G06K9/0063G06Q10/06315
    • A method for determining the yield loss of a crop using remote sensor data is described. The yield loss is determined using the reflectivity of green light by the crop canopy measured from remote sensor data such as an aerial photograph that is digitized and spatially referenced to the field's longitude and latitude. Green pixel values from the aerial photograph, expressed relative to green pixel values from well-fertilized areas of the field, are transformed to yield losses using a linear transformation that was developed using empirical data. A similar method is described to determine recommended nitrogen fertilization rates for the crop fields. The yield loss data is useful for nitrogen fertilization management, as it allows a producer of crops to weigh the expense of fertilization against the loss of revenue due to yield loss.
    • 描述了使用远程传感器数据确定作物的产量损失的方法。 产量损失是使用由遥控传感器数据测量的作物冠层的绿光的反射率确定的,例如数字化并空间参考场的经度和纬度的空中照片。 通过使用经验数据开发的线性变换,将来自空间照片的绿色像素值相对于来自受精区域的绿色像素值进行变换以产生损失。 描述了类似的方法来确定作物田的推荐氮肥率。 产量损失数据对于氮肥管理是有用的,因为它允许作物生产者权衡施肥费用与产量损失造成的收入损失。
    • 89. 发明申请
    • MEASURING DEVICE FOR DETERMINING A VEGETATION INDEX VALUE OF PLANTS
    • 用于确定植物植被指数值的测量装置
    • US20130120753A1
    • 2013-05-16
    • US13388973
    • 2010-08-04
    • Tobias Haas
    • Tobias Haas
    • G01N21/55
    • G01N21/55A01C21/007G01N21/31G01N21/359G01N2021/8466G01N2201/0216G01N2201/0627
    • The invention relates to a measuring device for determining a vegetation index value (REIP) of plants. The measuring device comprises a plurality of light emitting elements, each of which emits substantially monochromatic light at a predetermined wavelength, a light receiving element which receives light from the light emitting elements reflected by the plants and generates a signal indicating the respective intensity of the received light, and a control means which successively activates the light emitting elements in a cyclical sequence, determines the respective intensity of the reflected light based on the output signal of the light receiving element, and calculates the vegetation index value based on the determined intensities of the overall measurement cycle. According to the invention, a light frequency converter is provided as the light receiving element.
    • 本发明涉及一种用于确定植物植被指数值(REIP)的测量装置。 测量装置包括多个发光元件,每个发光元件以预定波长发射基本上单色的光;受光元件,其接收来自由植物反射的发光元件的光,并产生指示接收到的相应强度的信号 光和控制装置,其以循环顺序连续地激活发光元件,基于光接收元件的输出信号确定反射光的相应强度,并且基于所确定的光强度来确定植被指数值 总体测量周期。 根据本发明,提供了一种光频转换器作为光接收元件。
    • 90. 发明申请
    • PLANT SENSOR
    • 植物传感器
    • US20120298847A1
    • 2012-11-29
    • US13481669
    • 2012-05-25
    • Kunihiro HAYASHIPeng ZHAO
    • Kunihiro HAYASHIPeng ZHAO
    • G01J1/42
    • G01J3/427A01C21/002A01C21/007A01M7/0089
    • A plant sensor includes a first light emitter to emit first measuring light with a first wavelength to irradiate a growing condition measurement target therewith; a second light emitter to emit second measuring light with a second wavelength to irradiate the growing condition measurement target therewith; a light receiver to receive reflected light of each of the first and second measuring light from the growing condition measurement target and output a received light signal; a controller to control light emission; a light path merging unit to merge a first outgoing light path of the first measuring light from the first light emitter and a second outgoing light path of the second measuring light from the second light emitter; and a common outgoing light path connecting the light path merging unit to a light exit portion emitting the first measuring light and the second measuring light.
    • 工厂传感器包括:第一发光体,用于发射具有第一波长的第一测量光以照射生长状态测量对象; 第二光发射器,发射具有第二波长的第二测量光以照射生长状态测量对象; 从所述生长状态测量对象接收所述第一测量光和所述第二测量光中的每一个的反射光的光接收器,并输出接收到的光信号; 控制光源的控制器; 光路合并单元,用于将来自第一光发射器的第一测量光的第一出射光路和来自第二光发射器的第二测量光的第二出射光路合流; 以及将光路汇合单元连接到发射第一测量光的光出射部分和第二测量光的公共出射光路。