Method, device and system for detecting citrus huanglongbing by low-altitude hyperspectral remote sensing

Abstract

The invention relates to a method, device and system for detecting citrus huanglongbing by low-altitude hyperspectral remote sensing. The method comprises the steps that a low-altitude hyperspectral remote sensing image of a citrus distribution area to be detected is obtained, wherein the remote sensing image includes distribution information of citrus plants and geographic information of the citrus plants; the hyperspectral remote sensing image is preprocessed; the preprocessed low-altitude hyperspectral remote sensing image is input into a citrus huanglongbing BP neural network model; and distribution results of the citrus huanglongbing in the distribution area are obtained. According to the detecting method, manpower, material resources and workloads of detection can be reduced for thedetection of the citrus huanglongbing in a large area of citrus orchards; rapid detection, accurate location, high efficiency and undamage can be achieved; the detection process is low in cost, easy and effortless; and the results are accurate and reliable.

Description

technical field [0001] The invention relates to the field of hyperspectral remote sensing research, in particular to a method, device and system for detecting citrus huanglongbing by low-altitude hyperspectral remote sensing. Background technique [0002] Citrus is one of the important fruit crops in my country and one of the most productive fruits in the world. It plays an extremely important role in the agricultural economy. Citrus green disease or huanglongbing (citrus green disease or huanglongbing) is a disease of citrus crops discovered in southern China in the early 20th century. Symptoms of citrus diseased plants infected with Huanglongbing show yellowing and mottled leaves, weak plant growth, "red-nosed fruit" or green fruit that does not change color, etc. Currently, there is no effective drug to cure Huanglongbing. The treatment method for plants infected with Huanglongbing is to dig out the whole plant and do agronomic treatment to kill psyllids. Huanglongbing ...

AI Technical Summary

Problems solved by technology

Molecular detection methods mainly include nucleic acid probe detection, PCR amplification detection, and LAMP rapid detection. Due to the limitations of complex processes, long time consumption, and large DNA consumption, the application of this technology has been restricted.

These methods can detect citrus huanglongbing very accurately, but they are expensive, complicated to operate, and professionals must perform detection for a long time and under special circumstances, so they cannot be well promoted and applied to production.

The serum detection method uses the serum that can combine with the Huanglongbing pathogen to observe and diagnose under the electron microscope, but the shortcomings of this method, such as complicated preparation technology and narrow detection range, have not been resolved

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