The present invention provides a drone (unmanned aerial vehicle) capable of photographing a base part of the stem and a side of the leaf of the field crops for evaluating their growth status.A camera directed backward with a depression angle of about 60 degrees is installed at the bottom of the drone. The camera is configured to capture an image of the crop temporarily knocked down by the downdraft created by the rotor of the drone. Since the base part of the stem and the side of the leaf are exposed to the sky, images can be appropriately captured. The depression angle of the camera may be automatically adjustable depending on the flight speed, wind force, and wind direction. Further, it is preferable to rotate the entire body so that the camera is always directed to backward when the drone changes flying directions.
DRONE FOR CAPTURING IMAGES OF FIELD CROPS
2021-10-14
Patent
Electronic Resource
English
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