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Fine-name high-quality tea blending method based on appearance quality similarity measurement

A similarity measurement, famous and high-quality tea technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as differences in tea blending ratios, difficulty in ensuring blending uniformity, and subjective influence of result reviewers. Similarity measurement problem, the effect of ensuring stability

Pending Publication Date: 2022-07-05
ANHUI AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the evaluation of tea quality still adopts the method of artificial sensory evaluation. Although it meets the requirements of the current national standards, the results are easily affected by the subjective influence of the reviewers, and it is difficult to ensure the uniformity of blending in the process of blending and stacking. , so the blending ratio of tea after boxing will be different from the ideal ratio

Method used

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  • Fine-name high-quality tea blending method based on appearance quality similarity measurement
  • Fine-name high-quality tea blending method based on appearance quality similarity measurement
  • Fine-name high-quality tea blending method based on appearance quality similarity measurement

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Embodiment Construction

[0029] In this embodiment, the working flow chart of the leveling machine involved in the method for blending famous tea based on the similarity measure of appearance quality is as follows: figure 1 As shown, the structure diagram is as follows figure 2 As shown, it includes a tea feeding bucket 1, a blanking conveyor belt 2, a splicing bucket 3, a tea spreader 4, a material distribution conveyor belt 5, a uniform stacking bucket elevator 6, a detection vibration tank 7, and a detection bucket elevator. 8. Detecting the tea bucket 9, evenly stacking the tea bucket 10, and machine vision inspection equipment 11;

[0030] The structure diagram of the shape feature detection device is as follows image 3 shown. The shape feature detection device is composed of a vibrating feeding device 11-1, a camera and a lens 11-2, a transparent background plate 11-3, an illumination light source 11-4, a material outlet 11-5, and a computer.

[0031] Each raw material tea is put into the t...

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Abstract

The invention discloses a famous high-quality tea blending method based on appearance quality similarity measurement. The famous high-quality tea blending method comprises the following steps: 1, extracting appearance characteristics of a tea image and constructing an appearance characteristic histogram; 2, calculating a skewness covariance matrix based on skewness coefficients of each group of features in the feature histogram; and 3, calculating the mahalanobis distance according to the skewness covariance matrix, judging the sample similarity and adjusting the speed of a feeding conveying belt. According to the invention, the invariance of the blending proportion can be ensured in the blending and uniform piling process, the quality of tea leaves is stabilized, and the blending accuracy is improved.

Description

technical field [0001] The invention relates to the field of tea finishing, in particular to a method for blending famous and high-quality tea based on the similarity measurement of appearance quality. Background technique [0002] Tea is a unique beverage in China. my country ranks first in the world in terms of total output, cultivation area and export volume of tea. It has become the largest tea producer and consumer in the world, and plays a pivotal role in tea production, consumption and foreign trade. [0003] Matching is the work of piecing together products with certain commonalities but different shapes and qualities. This is a commonly used method to improve tea quality, ensure product continuity, expand supply, increase quantity, and obtain higher economic benefits. The purpose of blending is to scientifically and accurately add raw material teas whose grades are close to complementary advantages, so as to obtain finished teas with high quality consistency and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/04G06V10/26G06V10/50G06V10/74G06K9/62
CPCG06Q10/06395G06Q50/04G06F18/22Y02P90/30
Inventor 宁井铭宋彦赵磊宛晓春李露青王玉洁卓超许万富
Owner ANHUI AGRICULTURAL UNIVERSITY