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Method and system for crop interactive design based on node unit

A design method and interactive technology, applied in computing, image data processing, 3D modeling, etc., can solve the problems that the details of the plant surface cannot be reflected, and the realism of the 3D model of the plant needs to be improved.

Active Publication Date: 2016-01-20
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The above three methods first generate the plant skeleton of the plant, and then further generate the mesh model of the organ surface on this basis, but the mesh model thus generated is easily constrained by the skeleton and cannot reflect the detailed characteristics of the plant surface, resulting in The realism of the designed plant 3D model still needs to be improved

Method used

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  • Method and system for crop interactive design based on node unit
  • Method and system for crop interactive design based on node unit
  • Method and system for crop interactive design based on node unit

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Embodiment 1

[0058] Embodiment 1 provides an interactive design method for crops based on node units, and the steps are as follows: figure 1 shown.

[0059] A crop that grows in units of nodes means that the stem of the crop presents an obvious segmented structure, and each segmented structure is a node of the crop. The crops that grow in nodes include: corn, sugarcane, wheat, etc. In this embodiment, corn is used as an example. Each section is a design unit, called a section unit, such as a section of corn stalk is a section unit.

[0060] The crop interactive design method based on node unit specifically includes the following steps:

[0061] Step A: Constructing organ grid templates for each organ of the crop in units of nodes, and standardizing to obtain a standardized organ grid template.

[0062] Specifically, the flow chart of step A is as follows figure 2 As shown, it specifically includes the following steps:

[0063] Step A1: Obtain 3D point cloud data of crop plants in units...

Embodiment 2

[0100] In order to achieve the above-mentioned purpose, the second embodiment of the present invention also provides an interactive design system for crops based on node units, and its composition diagram is as follows Figure 5 As shown, the system specifically includes:

[0101] An organ grid template unit 510 , a grid template assembly unit 520 and a grid fusion unit 530 .

[0102] The organ grid template unit 510 constructs an organ grid template for each organ of the crop in units of nodes for each plant of the crop, and standardizes to obtain a standardized organ grid template.

[0103] The organ grid template unit specifically includes: a 3D point data acquisition unit 511, a 3D point data processing unit 512, an organ grid template generation unit 513, and an organ grid template standardization unit 514;

[0104] The three-dimensional point data acquisition unit 511 acquires three-dimensional point cloud data for the plants of crops in units of nodes;

[0105] The 3D p...

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Abstract

The invention discloses a section-unit-based interactive crop design method and a section-unit-based interactive crop design system. The method comprises the following steps of: constructing an organ grid template of each organ of a crop plant by taking a section as a unit, and performing standardization to obtain standard organ grid templates; selecting the sequence of the standard organ grid templates, performing parameterization on the selected organ grid templates according to plant parameters to obtain parameterized organ grid templates, and assembling the parameterized organ grid templates to obtain a plant model; and performing grid fusion on assembling points of each organ of the plant model to obtain a geometrical model of the crop plant. A quick and convenient design means is provided for generating a three-dimensional model of growing a crop by taking the section as the unit, and the designed three-dimensional model of the crop has a topology structure consistent with that of an actual crop, and also has higher detail features.

Description

technical field [0001] The invention relates to the field of plant morphological structure modeling, in particular to a crop interactive design method and system based on node units. Background technique [0002] The three-dimensional morphological structure of plants has always been an important research content in the fields of biology and agronomy. The development of computer technology has made it possible for virtual modeling of three-dimensional morphological structures of plants. Especially in recent years, with the rapid development of computer software and hardware technology and the deepening of the application of virtual reality technology in the field of plant modeling, digital plant 3D shape modeling and computer-aided design have become research hotspots at home and abroad. The three-dimensional morphological structure modeling of plants is the primary problem faced by digital plant research. The interactive modeling method realizes the construction and real-ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00
Inventor 郭新宇温维亮王传宇肖伯祥雷艳
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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