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Method and system for dynamic acquisition and analysis of tomato 3D phenotype in the whole growth period

A technology of full growth period and analysis method, applied in the field of dynamic acquisition and analysis method and system of tomato 3D phenotype in full growth period, can solve the problems of cumbersome process, time-consuming and labor-intensive, data redundancy, etc., to simplify the search and definition of features , The effect of overcoming time-consuming and labor-intensive, and simplifying the operation steps

Active Publication Date: 2022-04-12
HUAZHONG AGRI UNIV +1
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Problems solved by technology

However, the acquisition of tomato phenotypic data still mainly relies on the traditional phenotypic analysis method, which is time-consuming, labor-intensive, cumbersome, highly subjective and easy to cause damage to tomato, which seriously hinders the development of tomato cultivation technology
[0003] In the prior art, it is proposed to use the laser scanner to obtain the three-dimensional information of the plant and the canopy surface to estimate the leaf area, leaf area index and plant height, but the hardware equipment is expensive and the data is redundant; the point cloud data of the plant is obtained by three-dimensional reconstruction Combined with the region growing algorithm, deep learning, etc. to complete the extraction of individual plants or main stems, however, different thresholds and manual labeling are required for different individual plants, and accurate extraction cannot be achieved for the characteristics of the curved main stem of tomato

Method used

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  • Method and system for dynamic acquisition and analysis of tomato 3D phenotype in the whole growth period
  • Method and system for dynamic acquisition and analysis of tomato 3D phenotype in the whole growth period

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Embodiment Construction

[0055] In order to solve the technical problem, the present invention provides a method and system for dynamically acquiring and analyzing tomato 3D phenotypes in the whole growth period. The flow chart of described method is as figure 1 As shown, the structural diagram of the system is shown in figure 2 shown.

[0056] The method for dynamically acquiring and analyzing tomato 3D phenotypes in the whole growth period of the present invention includes environmental monitoring, image acquisition, three-dimensional reconstruction, point cloud processing, organ segmentation, phenotypic parameter extraction, phenotype registration and data analysis; wherein,

[0057] Environmental monitoring is used to measure environmental parameters in the cultivation scene, obtain multiple environmental parameter measurement results, and select several target individual plants with large environmental differences from a large number of plants according to the environmental difference distribut...

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Abstract

The invention discloses a method and system for dynamically acquiring and analyzing tomato 3D phenotypes in the whole growth period. The method includes: obtaining environmental difference distribution maps based on environmental monitoring and determining target individual plants; obtaining multi-view image sequences of the whole growth period based on image acquisition; obtaining local scene point clouds based on 3D reconstruction; obtaining complete Point cloud and lobes point cloud; organ segmentation based on point search based on adjacency relationship to realize the extraction of each node and each leaf; automatic extraction and calculation of phenotypic parameters on the basis of organ segmentation; for the same single plant in different periods Point cloud, using real topological structure to achieve phenotypic parameter registration; data analysis based on environmental differences and phenotypic registration results. The invention combines the environmental difference with the tomato 3D phenotype in the whole growth period, and does not need to set a threshold or manually mark the algorithm, and can adapt to the extraction and registration of tomato phenotype parameters in different periods.

Description

technical field [0001] The invention belongs to the field of agricultural automation, and in particular relates to automatic measurement of tomato phenotype parameters, in particular to a method and system for dynamically acquiring and analyzing tomato 3D phenotypes in the whole growth period. Background technique [0002] Tomato is one of the most valuable vegetable crops in the world. As one of the three major tomato growing regions in the world, my country has a pivotal position in the international market. High yield and high quality are the important goals of tomato cultivation. However, the acquisition of tomato phenotypic data still mainly relies on the traditional phenotypic analysis method, which is time-consuming, labor-intensive, cumbersome, highly subjective and easy to cause damage to tomato, which seriously hinders the development of tomato cultivation technology. [0003] In the prior art, it is proposed to use the laser scanner to obtain the three-dimensiona...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/10G06T7/30G06T7/62G06T5/00G06T17/20
CPCG06T7/0002G06T7/10G06T7/30G06T7/62G06T5/002G06T5/006G06T17/20G06T2207/10004G06T2207/10024G06T2207/10028G06T2207/30188
Inventor 杨万能翟瑞芳王应华南思乔宋鹏陈方圆胡松涛
Owner HUAZHONG AGRI UNIV
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