Wide-area agricultural monitoring and prediction
First Claim
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1. A method for calibrating agricultural measurements comprising:
- using an aerial sensor to obtain aerial data representing relative measurements of an agricultural metric in a geographic area, the relative measurements having an unknown bias;
using a ground-based sensor to obtain ground-based data representing absolute measurements of the agricultural metric within the geographic area; and
,a processor using the absolute measurements to calibrate the relative measurements, thereby synthesizing absolute measurements of the agricultural metric in parts of the geographic area;
wherein,synthesizing absolute measurements includes using a plant growth model to propagate ground-based data forward or backward in time as needed to compare it with non-contemporaneous aerial data.
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Abstract
Ground-based measurements of agricultural metrics such as NDVI are used to calibrate wide-area aerial measurements of the same metrics. Calibrated wide-area data may then be used as an input to a field prescription processor.
143 Citations
28 Claims
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1. A method for calibrating agricultural measurements comprising:
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using an aerial sensor to obtain aerial data representing relative measurements of an agricultural metric in a geographic area, the relative measurements having an unknown bias; using a ground-based sensor to obtain ground-based data representing absolute measurements of the agricultural metric within the geographic area; and
,a processor using the absolute measurements to calibrate the relative measurements, thereby synthesizing absolute measurements of the agricultural metric in parts of the geographic area;
wherein,synthesizing absolute measurements includes using a plant growth model to propagate ground-based data forward or backward in time as needed to compare it with non-contemporaneous aerial data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system for making calibrated agricultural measurements comprising:
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a source of aerial data representing relative measurements of an agricultural metric in a geographic area, the relative measurements having an unknown bias; a source of ground-based data representing absolute measurements of the agricultural metric within the geographic area; and
,a database and processor that use the absolute measurements to calibrate the relative measurements, thereby synthesizing absolute measurements of the agricultural metric in parts of the geographic area;
wherein,synthesizing absolute measurements includes using a plant growth model to propagate ground-based data forward or backward in time as needed to compare it with non-contemporaneous aerial data. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification