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Plant leaves health monitoring system based on visual image spectrum detection technology

A spectrum detection and plant leaf technology, applied in the agricultural field, can solve the problems of slow detection speed, difficult data storage and analysis, insufficient resolution, etc., to improve the detection speed and facilitate the early detection work.

Inactive Publication Date: 2015-12-23
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problems of the existing plant health diagnosis system based on spectral detection, such as slow detection speed, insufficient resolution, and difficult data storage and analysis, the present invention provides a plant leaf health detection system based on visual image spectral detection technology. The system does not need to perform spectral measurement on all pixels, which not only improves the single detection speed, but also improves the spectral resolution to the order of Δλ / λ=0.0001, which meets the accuracy requirements of early detection of plant diseases and insect pests

Method used

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  • Plant leaves health monitoring system based on visual image spectrum detection technology
  • Plant leaves health monitoring system based on visual image spectrum detection technology
  • Plant leaves health monitoring system based on visual image spectrum detection technology

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Embodiment 1

[0031] Such as figure 1 As shown, in this embodiment, the detection system includes an image spectrum detection component, an illumination component and a first dark box 1, and the image spectrum detection component and the illumination component are installed in the first dark box 1; wherein the image spectrum detection component includes a lens 2, a light splitter Beam cube 3, area array CCD camera 4, DMD digital micromirror element 5, converging lens group 6, fiber optic coupler 7, optical fiber 8, fiber optic spectrometer 9 and computer 10, wherein the control end of the lighting part, area array CCD camera 4, DMD digital micromirror element 5 and optical fiber spectrometer 9 are connected with computer 10 by data bus and wireless transmission interface 11, and optical fiber spectrometer 9 is connected with optical fiber coupler 7 by optical fiber 8; The micromirror unit in DMD digital micromirror element 5 has " open ", "off" two states. At the same time, the image spect...

Embodiment 2

[0042] In this embodiment, on the basis of Embodiment 1, a first black box movement control part is added, such as image 3 Shown, the first dark box mobile control part comprises rotating platform 15, dark box support arm 16, is connected with the dark box support arm 16 and can make the electric control mobile platform 17 that the dark box support arm 16 does radial movement; Electric control mobile platform 17, rotating The control end of the cloud platform 15 is connected with the computer 10 , and one end of the camera obscura support arm 16 is connected with the first camera camera 1 through the rotating platform 15 .

[0043] Before testing, the user first controls the electronically controlled mobile platform 17 through the computer 10 to make the camera obscura support arm 16 move radially along the electronically controlled mobile platform 17 until the first camera obscura 1 is located above the plant, and then controls the rotating platform 15 through the computer 10...

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Abstract

The present invention relates to a plant leaves health monitoring system based on visual image spectrum detection technology. The system includes an image spectrum detection unit, an illumination component and a first camera obscura. The image spectrum detection unit and the illumination component are mounted within the first camera obscura. The image spectrum detection component includes a lenses, a beam splitting cube, an area array CCD camera, a DMD digital micromirror component, a convert lens group, a fiber optic coupler, optical fiber, an optical fiber spectrograph and a computer; and the area array CCD camera, DMD digital micromirror component and the optical fiber spectrograph are connected to the computer; and the optical fiber spectrograph is connected to the optical fiber coupler through fibers. The detection system provided by the present invention does not require spectrum measurement and storage of all the pixels, or spectral-dimensional scanning, so as to effectively improve the detection speed. By the high-precision optical fiber spectrograph, wide spectrum measurement can be realized, and at the same time the spectrum resolution can be raised to delta lambda / lambda=0.0001 magnitude.

Description

technical field [0001] The invention relates to the field of agriculture, and relates to a plant leaf health detection system, in particular to a plant leaf health detection system based on visible image spectrum detection technology. Background technique [0002] Plant diseases and insect pests are the number one natural enemy of plant growth, which will not only lead to a decline in the quality and yield of economic crops, but also cause a large amount of untargeted investment in pesticides and other chemicals, which will not only cause damage to normal plants, but also bring pesticide residues , the accumulation of heavy metal ions in the human body and other problems that endanger human health. Therefore, how to quickly and accurately detect diseased plants to achieve targeted treatment and prevention is a hot research topic in the current agricultural field. [0003] There are two traditional detection methods for plant diseases and insect pests, one is manual judgment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/95
Inventor 蔡志岗马鸿键谢立恒陈健沛王福娟李佼洋
Owner SUN YAT SEN UNIV
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