Method for sampling and detecting ratio of output of main product to by-product of crops at rice maturity based on unmanned aerial vehicle
A detection method and drone technology, applied in the direction of photo interpretation, etc., can solve problems such as low efficiency, and achieve the effect of saving labor, avoiding randomness and high efficiency
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[0017] The method for sampling and detecting grass-to-grain ratio in the mature stage of rice based on unmanned aerial vehicle in this embodiment includes the following steps:
[0018] (1) According to the area of the rice field to be tested and the flight duration of the UAV, determine the flight area of the UAV, and set the route of the UAV; the flight area covers the rice field to be tested; the details are as follows :
[0019] 11) Investigate the surrounding environment of the paddy field to be tested to ensure that there are no obstacles in the flight path of the drone;
[0020] 12) If figure 1 As shown, determine the largest inscribed rectangle of the paddy field to be tested, and define the four vertices of the largest inscribed rectangle as A, B, C, D in sequence; expand each side of the largest inscribed rectangle outward by 30-40m ( 40m outside the figure), the resulting rectangle is the flight area of the UAV, and each vertex is defined as A', B', C', D' in...
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