Crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition method and device

A technology of chlorophyll fluorescence and three-dimensional distribution is applied in the field of obtaining information on the three-dimensional distribution of chlorophyll fluorescence in crop canopy, which can solve the problems such as the inability to realize three-dimensional visualization distribution of group canopy, and achieve the effect of realizing overall 3D visualization distribution and solving information gaps.

Active Publication Date: 2020-08-18
JIANGSU UNIV
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Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a method and device for acquiring information on the three-dimensional distribution of chlorophyll fluorescence in the canopy of crop groups, which solves the problem that the distribution of chlorophyll flu...

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  • Crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition method and device
  • Crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition method and device
  • Crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition method and device

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[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0033] Such as figure 1 As shown, a crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition device includes a canopy chlorophyll fluorescence detection device 1, a 3D camera 2, a tripod 3, a computer system 4, a display 5, a mobile storage device 6, and a crop to be tested 7 , blackboard background board 8, movable support 9, universal wheel 10 and long table 11. Wherein, the casing of the canopy chlorophyll fluorescence detection device 1 is suspended below the movable support 9 through four iron cables 1-8, and the movable support 9 can be moved to directly above the crop 7 to be tested; the crop 7 to be tested is placed on a black background plate 8 ; the 3D camera 2 is located obliquely above the crop 7 to be measured, instal...

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Abstract

The invention provides a crop group canopy chlorophyll fluorescence three-dimensional distribution information acquisition method and device. The device comprises a Cropobserver group photosynthetic chlorophyll fluorescence measurement device, a 3D camera and a computer system, wherein the 3D camera is connected with the computer system, Visual studio 2017 and MATLAB 2018 are operated in the computer system, and the Visual studio 2017 calls a point cloud library and a computer vision library to realize three-dimensional visualization of chlorophyll fluorescence information of crops to be detected. According to the invention, the problem of incomplete distribution of acquired two-dimensional chlorophyll fluorescence information is solved, overall 3D visual distribution of crop canopy chlorophyll fluorescence distribution is realized, and important technical support is provided for acquisition and research of three-dimensional visual distribution information of canopy chlorophyll fluorescence of the whole plant.

Description

technical field [0001] The invention belongs to the technical field of chlorophyll fluorescence information acquisition, and in particular relates to a method and a device for acquiring three-dimensional distribution information of chlorophyll fluorescence in a crop population canopy. Background technique [0002] Chlorophyll fluorescence analysis technology has the characteristics of rapid and non-destructive measurement. It is a new research technology of plant growth status and is widely used in the field of plant physiological information research. Chlorophyll fluorescence monitoring can only obtain chlorophyll fluorescence images at present, and it is urgent to realize the three-dimensional representation of chlorophyll fluorescence distribution characteristics on leaves and the three-dimensional representation of the whole plant canopy. The plant to be tested is a single leaf or multiple leaves, and the acquired image is two-dimensional. The health status of the plant ...

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Application Information

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IPC IPC(8): G01N21/64
CPCG01N21/6486G01N21/6456
Inventor 王纪章顾容榕张运袁俊杰李萍萍
Owner JIANGSU UNIV
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