Plant population three-dimensional reconstruction error measurement method

A technology of error measurement and 3D reconstruction, applied in the field of 3D measurement data processing or 3D model analysis, can solve the problems of difficult 3D model accuracy, difficult to accurately explain the accuracy of plant 3D model, and incomplete evaluation indicators, etc., to achieve operability strong effect

Active Publication Date: 2013-01-09
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Problems solved by technology

In this reconstruction error evaluation index, only a small number of plant morphological characteristic parameters such as leaf length, stem-leaf angle, and azimuth angle are included. The total leaf area of ​​the canopy is not considered, so it is difficult to explain the accuracy of the reconstructed 3D model
[0005] In general, the current evaluation indicators for the error evaluation of 3D plant reconstruction are not comprehensive, and it is difficult to accurately explain the accuracy of the reconstructed plant 3D model, especially on the population scale, there is no satisfactory quantitative evaluation of reconstruction error method

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  • Plant population three-dimensional reconstruction error measurement method

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[0036] The method for measuring the three-dimensional reconstruction error of the plant population proposed by the present invention is described in detail as follows in conjunction with the accompanying drawings and embodiments.

[0037] The object of the present invention is to propose a kind of horticultural plants with internodes as the unit, such as cucumber, watermelon, melon, etc., to propose a method that is operable and can quantitatively evaluate the error of the reconstructed three-dimensional plant population more comprehensively. The invented method not only helps to effectively and quantitatively evaluate the three-dimensional reconstruction of various plants, but also makes calculation and analysis of plant canopy light interception ability simulation and plant shape feature extraction based on the reconstructed three-dimensional plants more practical and instructive .

[0038] Such as figure 1 As shown, according to an embodiment of the present invention, the ...

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Abstract

The invention discloses a plant population three-dimensional reconstruction error measurement method, and relates to the technical field of three-dimensional measurement data processing or three-dimensional model analysis. The method comprises the following steps: S1, collecting error measurement data from a reconstruction object; S2. collecting error measurement data from a reconstructed three-dimensional plant population; and S3. calculating a relative reconstruction error of the three-dimensional plant population according to the collected measurement data in steps S1 and S2. The method provided by the invention is good in operability, and quantified evaluation on the error of the reconstructed plant population three-dimensional model can be performed comprehensively; and the adopted evaluating indicator has important agricultural significance, and is convenient to measure, so that the method provided by the invention is more practical and feasible and worthy of popularizing.

Description

technical field [0001] The invention relates to the technical field of three-dimensional measurement data processing or three-dimensional model analysis, in particular to a method for measuring errors in three-dimensional reconstruction of plant populations. Background technique [0002] With the continuous maturity of measuring instruments such as 3D laser scanners and stereo vision cameras in recent years, the measurement speed and accuracy are getting higher and higher, and it is possible to perform 3D reconstruction of plants and groups based on measurement data. On the other hand, applications such as agricultural research and landscape display have continuously increased the requirements for the precision and accuracy of plant 3D reconstruction. Therefore, how to verify the accuracy of the reconstructed plant 3D model, especially the population-scale 3D reconstruction model, is very important, but how to quantitatively evaluate the error of the reconstructed plant 3D m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/28G01B11/02G01B11/26G01J1/00
Inventor 陈立平陆声链郭新宇温维亮王传宇
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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