Method for analyzing plant coverage by utilizing Image J and Photoshop

A plant and coverage technology, applied in the field of vegetation research, can solve the problems of complex calculation, poor analysis ability of geometric distortion images, etc., to achieve the effect of simple data acquisition, omitting complex operations, and convenient data reading.

Pending Publication Date: 2021-06-15
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

However, although the established empirical model input has improved the accuracy of vegetation coverage measurement, there are still shortcomings, such as strict requirements for the selection of ground sampling points, poor analysis ability for geometrically distorted images, and large errors in RGB threshold method data. For non-professionals, complex calculations are required to obtain the desired results

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  • Method for analyzing plant coverage by utilizing Image J and Photoshop
  • Method for analyzing plant coverage by utilizing Image J and Photoshop
  • Method for analyzing plant coverage by utilizing Image J and Photoshop

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Embodiment 1

[0038] What the present invention measures is the cover degree of green leaf of grassland vegetation, according to cover degree definition and formula, cover degree=green pixel point quantity / sample pixel point quantity, as long as obtain the quantity of image green pixel point and the sample plot image green pixel point quantity in the sample plot The total number of pixels can calculate the coverage according to the formula. Therefore, in this study, through image correction, pixel point processing, and background interference noise elimination, the green pixel points are finally calculated and extracted to obtain plant coverage.

[0039] like figure 1 Shown, the present invention provides a kind of technical scheme: a kind of method utilizing Image J and Photoshop to plant coverage analysis, comprises the following steps:

[0040] S1: Plant coverage image collection: Set up a quadrat of 1m in length and width in the grassland vegetation, and use digital equipment to take pic...

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Abstract

The invention discloses a method for analyzing plant coverage by utilizing Image J and Photoshop in the technical field of vegetation research, which comprises the following steps of: S1, acquiring a plant coverage image: setting a quadrat with the length of 1m and the width of 1m in grassland vegetation, and shooting from the right above by using digital equipment; S2, cover degree image processing: carrying out image geometric distortion correction and image background interference removal on the shot image through Photoshop software; and S3, plant coverage measurement: after the image is subjected to image geometric distortion correction and image background interference removal, the image enters Image J software for analysis. Image J software and Photoshop software are combined for data analysis, the software analysis processing flow is simplified, image geometric distortion caused by oblique shooting of a coverage image is corrected, the requirement for measurement while shooting is met, the result is more accurate and objective, and therefore the purpose of rapidly quantifying the coverage change of the earth surface plants is achieved.

Description

technical field [0001] The invention relates to the technical field of vegetation research, in particular to a method for analyzing plant coverage by using Image J and Photoshop. Background technique [0002] Vegetation coverage is one of the commonly used parameters to evaluate the relationship between vegetation and soil damage, that is, the percentage of the ratio of the vertical projected area of ​​the plant community or the aboveground part of individual plants on the ground to the quadrat area. By analyzing the plant coverage, the number of surface plants and the species richness of the number of surface plants are determined to monitor the changes in the local ecosystem, so as to better judge environmental changes, and to obtain relevant vegetation analysis, land use, desertification and land degradation, etc. information is of great importance. Similar methods include survival rate, biomass, etc. Compared with other methods, coverage analysis is simple and easy to u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00G06T5/00G06T7/11G01B11/28
CPCG06T3/0012G06T5/006G06T5/001G06T7/11G01B11/28G06T2207/10024G06T2207/20132G06T2207/20192
Inventor 黄进李斌裴向军刘金渠杨富玲邓杰文汪梦婷童晋吴迪
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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