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Photosynthetic pigment measurement method and photosynthetic pigment measurement system for soybean leaves

A photosynthetic pigment and measurement system technology, applied in the agricultural field, can solve the problems of low measurement efficiency, achieve fast measurement speed and solve the effect of low measurement efficiency

Inactive Publication Date: 2014-10-08
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the application provides a method and system for measuring photosynthetic pigments of soybean leaves, which is used to obtain the distribution map of photosynthetic pigments of soybean leaves, so as to solve the problem of low measurement efficiency of existing measurement methods

Method used

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  • Photosynthetic pigment measurement method and photosynthetic pigment measurement system for soybean leaves
  • Photosynthetic pigment measurement method and photosynthetic pigment measurement system for soybean leaves
  • Photosynthetic pigment measurement method and photosynthetic pigment measurement system for soybean leaves

Examples

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Embodiment 1

[0054] figure 1 It is a flowchart of a method for measuring photosynthetic pigments of soybean leaves provided in the embodiment of the present application.

[0055] like figure 1 As shown, the photosynthetic pigment assay method of the soybean leaf provided by the present embodiment comprises the following steps:

[0056] S101: Acquiring images of soybean leaves.

[0057] Firstly, a photographic device is used to obtain images of soybean leaves, and the format of the images can be in jpg format, tif format or bmp format, etc.

[0058] S102: Construct a unit matrix composed of several units.

[0059] Divide the image acquired in the previous step into several units, and construct these units into a unit matrix.

[0060] S103: Collect image data of each unit.

[0061] The image data of every unit is collected, and the image data is RGB color model data. Even though RGB represents the colors of the three channels of red, green and blue, the model assigns each unit a dimens...

Embodiment 2

[0073] figure 2 A structural diagram of a photosynthetic pigment measurement system for soybean leaves provided by another embodiment of the present application.

[0074] like figure 1 As shown, the soybean leaf photosynthetic pigment measurement system provided in this embodiment includes a camera device 10 and a computing device 20 .

[0075] The camera device 10 is used to obtain images of soybean leaves. The format of the image can be jpg format, tif format or bmp format, etc.

[0076] The calculation device 20 is used to calculate the distribution map of the photosynthetic pigments of soybean leaves according to the images acquired by the camera device. The calculation device 20 includes a deconstruction unit 21 , an acquisition unit 22 , a calculation unit 23 and a synthesis unit 24 .

[0077] The deconstruction unit 21 is used to construct a unit matrix composed of several units.

[0078] That is, the image captured by the camera device 10 is divided into several u...

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Abstract

The invention provides a photosynthetic pigment measurement method and a photosynthetic pigment measurement system for soybean leaves. The method comprises the steps of firstly obtaining an image of a soybean leaf; then partitioning the image into a plurality of units with preset specification; forming a unit matrix through the multiple units; acquiring image data of each unit; calculating the photosynthetic pigment content of each unit according to a photosynthetic pigment equation and the corresponding image data; and obtaining a photosynthetic pigment distribution diagram of the soybean leaf according to the photosynthetic pigment content of each unit and the unit matrix. The operations for cutting the leaf and respectively measuring the photosynthetic pigment content of the cut leaf by a chemical method are eliminated, and only the image of the leaf is analyzed, so that the method disclosed by the invention is extremely high in measurement speed; the average time is not longer than 20 seconds, and therefore, the problem that the conventional measurement method is low in measurement efficiency can be solved.

Description

technical field [0001] The present application relates to the field of agricultural technology, and more specifically, relates to a method and system for measuring photosynthetic pigments of soybean leaves. Background technique [0002] Photosynthetic pigments are important indicators that directly reflect the nitrogen nutrition status of soybeans and the occurrence of diseases and insect pests. They play a role in absorbing and transmitting light energy or causing primary photochemical reactions in photosynthesis. Photosynthetic pigments include chlorophyll (chlorophyll a and chlorophyll b) and carotenoids (carotene and xanthophyll), in which chlorophyll is the main pigment for crop photosynthesis, and most chlorophyll a molecules and all chlorophyll b molecules absorb and The role of transmitting light energy, a very small number of chlorophyll a molecules in a special state participate in photochemical reactions, converting light energy into chemical energy, so its conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G06T7/00
Inventor 杨峰杨文钰张勇黄山武晓玲雍太文王小春刘卫国刘江杜俊波
Owner SICHUAN AGRI UNIV
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