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A method and device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in crop population canopy

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

Active Publication Date: 2022-07-22
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 fluorescence in the canopy of crop groups cannot realize the three-dimensional visual distribution of the group canopy. The acquisition and research of three-dimensional visualization distribution information of chlorophyll fluorescence in crop population canopy provides important technical support

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  • A method and device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in crop population canopy
  • A method and device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in crop population canopy
  • A method and device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in crop population canopy

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

[0033] like figure 1 As shown in the figure, a device for acquiring information on the three-dimensional distribution of canopy chlorophyll fluorescence in a crop group 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 , a blackboard background board 8, a movable bracket 9, a universal wheel 10 and a long table 11. Among them, the box of the canopy chlorophyll fluorescence detection device 1 is suspended under the movable bracket 9 through four iron cables 1-8, and the movable bracket 9 can be moved directly above the crop to be tested 7; the crop to be tested 7 is placed on the black background board 8; the 3D camera 2 is located diagonally above ...

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Abstract

The present invention provides a method and device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in crop population canopy, including a Cropobserver population photosynthetic chlorophyll fluorescence measurement device, a 3D camera and a computer system. The 3D camera is connected to the computer system, and the computer system runs Visual studio 2017 and MATLAB 2018, Visual studio 2017 call the point cloud library and computer vision library to realize the three-dimensional visualization of the chlorophyll fluorescence information of the crops to be tested. The invention solves the incomplete problem of obtaining two-dimensional chlorophyll fluorescence information distribution, realizes the overall 3D visualization distribution of crop canopy chlorophyll fluorescence distribution, and provides important technical support for the acquisition and research of the whole crop canopy chlorophyll fluorescence three-dimensional visualization distribution information.

Description

technical field [0001] The invention belongs to the technical field of chlorophyll fluorescence information acquisition, and particularly relates to a method and a device for acquiring information on three-dimensional distribution of chlorophyll fluorescence in the canopy of a crop group. Background technique [0002] Chlorophyll fluorescence analysis technology has the characteristics of rapid and non-destructive measurement, and is a new research technology of plant growth status, which is widely used in the field of plant physiological information research. Currently, chlorophyll fluorescence monitoring can only obtain chlorophyll fluorescence images, and it is urgent to realize the three-dimensional characterization of chlorophyll fluorescence distribution characteristics on leaves and the canopy of the whole plant. 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 can only be identified ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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