A rapid identification method for edible oil types based on multi-source spectral feature fusion

A spectral feature, edible oil technology, applied in the field of rapid identification of edible oil types based on multi-source spectral feature fusion, can solve problems such as infringing on the interests of consumers and legitimate production and sales enterprises, and achieve strong practical value and promotion value, generalization The effect of strong ability and prediction ability, high identification accuracy

Active Publication Date: 2019-03-19
WUHAN POLYTECHNIC UNIVERSITY
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Problems solved by technology

At present, with the continuous increase in the price of edible oil, many unscrupulous merchants put low-value oil into the market as high-value oil in order to make huge profits, or mix low-value oil into high-value oil, seriously infringing on consumers and legitimate production and sales. business interests

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  • A rapid identification method for edible oil types based on multi-source spectral feature fusion
  • A rapid identification method for edible oil types based on multi-source spectral feature fusion
  • A rapid identification method for edible oil types based on multi-source spectral feature fusion

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Embodiment

[0040] 1. Sample selection

[0041] A total of 157 edible oil samples of soybean oil, peanut oil, rapeseed oil, tea seed oil, rice oil, corn oil, sunflower oil, and olive oil were collected, and the calibration set samples of edible oil were selected by using the SPXY algorithm at a ratio of 3:1 118 samples and 39 edible oil prediction set samples, among which the edible oil calibration set samples were used to optimize the establishment of the qualitative model, and the edible oil prediction set samples were used to optimize the performance verification of the qualitative model; among them, the prediction set samples of 8 types of edible oil samples And the distribution of the number of samples in the calibration set is shown in Table 1.

[0042] Table 1

[0043] type

serial number

prediction set

Calibration set

Subtotal

Soybean oil

1

7

18

25

peanut oil

2

7

17

24

canola oil

3

4

29

33

Tea...

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Abstract

The invention discloses a method for quickly identifying edible oil types based on fusion of multi-source spectral features, which comprises the following steps: selecting an edible oil sample of an unknown type to be identified; collecting Raman spectrograms and near-infrared spectrograms; Preprocess the Raman spectrum and the near-infrared spectrum to obtain the pre-processed Raman spectrum and the pre-processed near-infrared spectrum; respectively perform feature extraction on the pre-processed Raman spectrum and the pre-processed near-infrared spectrum to obtain the Raman characteristic variables and near-infrared characteristic variables; performing spectral feature fusion on the Raman characteristic variables and near-infrared characteristic variables to obtain a characteristic fusion spectrum; using an optimized qualitative model to identify the type of the unknown edible oil sample. The method for quickly identifying edible oil types based on the fusion of multi-source spectral features provided by the invention is safe, fast, convenient for detection, high in identification accuracy, and has strong practical value and popularization value.

Description

technical field [0001] The invention relates to the technical field of rapid detection, in particular to a method for rapid identification of edible oil types based on fusion of multi-source spectral features. Background technique [0002] Edible oil contains many important nutrients needed by the human body and is also essential in our daily diet. At present, with the continuous increase in the price of edible oil, many unscrupulous merchants put low-value oil into the market as high-value oil in order to make huge profits, or mix low-value oil into high-value oil, seriously infringing on consumers and legitimate production and sales. the interests of the business. Therefore, it is necessary to study a method for quickly identifying edible oil types, which is of great significance for safeguarding the interests of consumers and legal operators and maintaining the normal order of the edible oil market. Contents of the invention [0003] Aiming at the deficiencies in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/65G01N21/359G01N21/3577
CPCG01N21/3577G01N21/359G01N21/65G01N2021/1736
Inventor 郑晓涂斌何东平陈志彭博吴双
Owner WUHAN POLYTECHNIC UNIVERSITY
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