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Tissue culture seedling grading method and device based on two-dimensional image and three-dimensional growth information

A technology of three-dimensional growth and two-dimensional images, applied in image analysis, image enhancement, horticultural methods, etc., can solve the problem that it is difficult to ensure that the three images contain the same identification points, the reconstruction effect of the point cloud on the back of the leaf is not ideal, and the plant classification is weak and other issues, to achieve the effect of saving labor and economic costs, reducing training costs, and high grade accuracy

Active Publication Date: 2022-03-25
ENVIRONMENTAL HORTICULTURE RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 1. In the existing SFM 3D modeling scheme, it is difficult to ensure that the three images contain the same identification points in the captured images and it is difficult to shoot from multiple angles below, resulting in unsatisfactory reconstruction of the point cloud on the back of the blade
[0009] 2. In the classification method of deep learning, the classification of plants with very high similarity in appearance and color is relatively weak

Method used

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  • Tissue culture seedling grading method and device based on two-dimensional image and three-dimensional growth information
  • Tissue culture seedling grading method and device based on two-dimensional image and three-dimensional growth information
  • Tissue culture seedling grading method and device based on two-dimensional image and three-dimensional growth information

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Embodiment 1

[0158] According to a specific embodiment of the present invention, the method for grading tissue cultured seedlings based on two-dimensional images and three-dimensional growth information of the present invention will be described in detail with reference to the accompanying drawings.

[0159] The invention provides a method for grading tissue culture seedlings based on two-dimensional images and three-dimensional growth information, comprising the following steps:

[0160] Shoot multiple RGB images of the same tissue culture seedling from multiple angles, including:

[0161] Fix a shooting angle in the vertical direction, surround and shoot the RGB image of the same tissue culture seedling in the horizontal direction, and surround the plant within the range of 0°-360° in the horizontal plane;

[0162] Change the shooting angle in the vertical direction, and repeat the above-mentioned horizontal shooting until the images of the tissue culture seedlings at all preset angles a...

Embodiment 2

[0188] According to a specific embodiment of the present invention, the device for grading tissue cultured seedlings based on two-dimensional images and three-dimensional growth information of the present invention will be described in detail with reference to the accompanying drawings.

[0189] The present invention provides a device for grading tissue cultured seedlings based on two-dimensional images and three-dimensional growth information, using the above method for grading tissue cultured seedlings, including:

[0190] RGB image acquisition device, control module and data storage and processing module;

[0191] The RGB image acquisition device realizes image acquisition of tissue culture seedlings and plant three-dimensional model reconstruction; the RGB image acquisition device includes a groove 1, an RGB industrial camera 2, a fixed rod 4, a rotating platform 5 and a stage 6;

[0192] The groove 1 and the rotating platform 5 are arranged at intervals on the stage 6; th...

Embodiment 3

[0205] According to a specific embodiment of the present invention, in conjunction with the accompanying drawings, the process of grading tissue culture seedlings based on two-dimensional images and three-dimensional growth information of the present invention will be described in detail. -10cm.

[0206] 1) Place the tissue culture seedling plant 3 on the rotating platform 5, place the RGB industrial camera 2 on the groove 1, control the rotating platform 5 to rotate the plant, and realize the RGB industrial camera 2 to surround and shoot at a certain angle of view, and then place the storage table 8 Adjust to the next position of the groove 1, place the background black cloth 7 on the opposite end of the RGB industrial camera 2, and use it as a shooting background, repeat the above steps.

[0207] 2) Extract the G component of the RGB color space of the image and the S component of the HSV color space, perform an OR operation on the G component of the RGB color space and the ...

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Abstract

The invention provides a tissue culture seedling grading method based on a two-dimensional image and three-dimensional growth information, and belongs to the technical field of medicinal plant cultivation. The method comprises the following steps: performing color space transformation on a plant RGB image acquired in a surrounding manner to obtain an HSV image; fusing a G component in the RGB image and an S component in the HSV image to obtain each plant main body of the tissue culture seedling; shooting a plurality of plant images of each plant in a multi-angle surrounding manner; establishing a deep learning grading model, and performing tissue culture seedling three-dimensional model reconstruction on all the shot RGB images by adopting a motion structure recovery algorithm; and comparing the shape parameters of each plant obtained from the reconstructed three-dimensional model with actual measurement parameters, and grading the tissue culture seedlings according to a grading principle in combination with a grading result of a deep learning grading model. According to the method, the tissue culture seedlings are classified according to the two-dimensional color image and the three-dimensional growth information, so that the classification precision of the tissue culture seedlings is improved, and meanwhile, rapid classification of the tissue culture seedlings is realized.

Description

technical field [0001] The invention relates to the technical field of medicinal plant cultivation, in particular to a method and device for grading tissue culture seedlings based on two-dimensional images and three-dimensional growth information. Background technique [0002] Many rare medicinal materials in our country are endangered due to their low reproductive capacity and artificial overexploitation. Therefore, large-scale artificial planting of rare medicinal materials has been carried out by using plant tissue culture and rapid propagation technology in many places across the country to alleviate this problem. At present, tissue-cultured seedlings are one of the bottlenecks restricting the large-scale artificial planting of rare medicinal materials. There are mainly problems such as uneven quality of tissue-cultured seedlings and low survival rate of transplanting. Therefore, be badly in need of a kind of method for the rapid grading of tissue culture plantlets out ...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/55G06V10/764G06K9/62G06N20/00A01H4/00
CPCG06T7/0002G06T7/55G06N20/00A01H4/001G06T2207/10024G06T2207/10028G06T2207/20081G06F18/24
Inventor 王再花叶广英龙腾刘海林李杰
Owner ENVIRONMENTAL HORTICULTURE RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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