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Single-grain corn starch content Raman hyperspectral grading method

A corn starch and grading method technology, applied in Raman scattering, testing starch contaminants, material excitation analysis, etc., can solve the problem that image information cannot fully reflect the real situation of whole corn seeds and the grading effect of single-grain corn seeds starch content Not ideal and other problems, to achieve the effect of rapid non-destructive grading, low detection cost, and improved accuracy

Active Publication Date: 2020-01-21
BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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Problems solved by technology

[0005] The present invention provides a single-grain corn starch content Raman hyperspectral grading method, which is used to solve the problem that the existing diffuse reflection scanning method often only collects hyperspectral images of one side of corn seeds, and the acquired image information cannot fully reflect the whole grain of corn The real situation of the seeds leads to the unsatisfactory grading effect of the starch content of single-grain corn seeds

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0015] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore sh...

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Abstract

The invention relates to the technical field of grain seed grading and screening, and discloses a single-grain corn starch content Raman hyperspectral grading method. The method comprises the following steps of establishing a double-surface standard Raman spectrum curve of a single-grain corn sample based on an embryonic surface Raman hyperspectral image and a non-embryonic surface Raman hyperspectral image of the single-grain corn sample; acquiring a starch content physicochemical value of a single-grain corn sample based on an optical rotation method; establishing a single-grain corn starchcontent grading model based on the double-surface standard Raman spectrum curve of the single-grain corn sample and a single-grain corn sample starch content physicochemical value; and realizing the single-grain corn seed starch content nondestructive grading based on the single-grain corn starch content grading model. According to the grading method provided by the embodiment of the invention, the single-grain corn starch content grading model is established by combining the double-surface standard Raman spectrum curve of the single-grain corn sample with the starch content physicochemical value, so that the accuracy of the grading model is improved, and the rapid nondestructive grading of the starch content of the single-grain corn seeds is realized.

Description

technical field [0001] The invention relates to the technical field of grain seed classification and screening, in particular to a single-grain corn starch content Raman hyperspectral classification method. Background technique [0002] A hyperspectral image is a three-dimensional data cube. The data combines the advantages of imaging technology and spectral technology. It combines image information and spectral information into one. During analysis, it can not only perform spectral analysis on a certain area, but also obtain a certain feature. Image information under the band. Raman spectroscopy is a kind of scattering spectrum. Raman signals are generated by molecular vibrations with changing polarizability. Common alkanes, alkenes, alkynes, aromatics, oxygen-containing compounds and nitrogen-containing compounds all have strong Raman bands. . Through the combination of the two technologies, Raman hyperspectral technology can quickly and non-destructively detect samples,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01N33/10G06K9/62
CPCG01N21/65G01N33/10G06F18/2411
Inventor 刘宸陈立平黄文倩杨桂燕王庆艳龙园
Owner BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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