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Oolong tea producing area discrimination method based on combination of genetic algorithm and support vector machine

A technology of support vector machine and genetic algorithm, which is applied in the field of oolong tea origin identification, can solve the problems of counterfeit product identification and damage to consumers' interests, and achieve the effects of improving accuracy, shortening running time, and simplifying the identification model

Inactive Publication Date: 2016-09-14
FUJIAN AGRI & FORESTRY UNIV
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Problems solved by technology

However, in the process of establishing the protection system for tea origin products, there are still phenomena of counterfeit product labels and shoddy products, which damage the interests of consumers

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  • Oolong tea producing area discrimination method based on combination of genetic algorithm and support vector machine
  • Oolong tea producing area discrimination method based on combination of genetic algorithm and support vector machine
  • Oolong tea producing area discrimination method based on combination of genetic algorithm and support vector machine

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Please refer to figure 1 , the present invention provides a kind of oolong tea origin discrimination method based on genetic algorithm combined with support vector machine, it is characterized in that, comprises the following steps:

[0024] Step S1: Preparation of tea powder samples: Collect tea samples from various oolong tea origins, grind the tea samples into tea powder through a pulverizer, sieve the tea powder through an 80-mesh sample sieve, and take 10- 15g of tea powder is numbered and then packaged and refrigerated as a tea powder sample;

[0025] Step S2: Collection of spectral information: Based on Workflow, set the near-infrared spectral information collection workflow of the tea powder sample, and use the Antaris II Fourier near-infrared spectrometer to collect the diffuse reflectance spectral information of the tea powder sample i...

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Abstract

The invention relates to a oolong tea producing area discrimination method based on combination of genetic algorithm and a support vector machine. The method comprises the steps of: preparation of a tea powder sample; acquisition of spectral information; pretreatment of spectral information; wavelength screening based on genetic algorithm; building of a model; and discrimination of the producing area. The invention provides a rapid and accurate approach for oolong tea producing area discrimination, and is conducive to realizing standardization of tea quality management on the tea market.

Description

technical field [0001] The invention relates to a method for discriminating the origin of oolong tea based on a genetic algorithm combined with a support vector machine. Background technique [0002] Anxi Tieguanyin, as a representative of southern Fujian oolong tea, is listed as a protected geographical indication product. Anxi County, Fujian Province, where it is produced is the largest main producing area of ​​oolong tea in the country, and it is also a national demonstration county for the standardization of tea production. Anxi Tieguanyin has obvious regional characteristics, and its unique and elegant Guanyin rhyme is very popular. However, in the process of establishing the tea origin product protection system, there are still phenomena of counterfeit product labels and shoddy products, which damage the interests of consumers. In order to protect the geographical characteristics and quality characteristics of geographical indication products and promote fair trade in...

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Application Information

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IPC IPC(8): G01N21/359G01N21/3563G01N1/28G01N1/42G06K9/62G06N3/12
CPCG06N3/126G01N1/28G01N1/42G01N21/3563G01N21/359G06F18/2451G06F18/2411
Inventor 孙威江王冰玉林馥茗黄艳
Owner FUJIAN AGRI & FORESTRY UNIV