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Method and system for detecting chalky rice on line

A detection method and technology of chalky rice, applied in the direction of optical testing for flaws/defects, etc., can solve the problems of low market price, poor taste, and poor commerciality

Inactive Publication Date: 2014-01-08
ZHEJIANG GONGSHANG UNIVERSITY
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  • Description
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AI Technical Summary

Problems solved by technology

[0007] After the chalky rice is cooked, there will be cracks on the rice grains, the rice will be fluffy and hollow, the taste will be poor, the commodity will be poor, and the market price will be low, so it is necessary to test the chalky rice during the production line

Method used

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  • Method and system for detecting chalky rice on line
  • Method and system for detecting chalky rice on line
  • Method and system for detecting chalky rice on line

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Embodiment Construction

[0043] Embodiments of the present invention provide a method and system for on-line detection of broken rice grains, and the implementation process of the present invention will be described in detail below in conjunction with specific embodiments.

[0044] An online detection method for rice broken rice grains, which is used for online detection of rice broken rice grains and judging the production status of rice. The flow chart is as follows figure 1 Shown:

[0045] S101, periodically collecting rice grains of the same number as test samples;

[0046] In this embodiment, the sample is detected at a cycle of 3 times per minute, that is, once every 20 seconds, and the number of each sample is 100. Those skilled in the art know that the time for detecting samples can be controlled according to the actual production line production requirements. and sample size.

[0047] S102, using a camera device to collect a sample image of the test sample to form collected image data;

[...

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Abstract

The embodiment of the invention provides a method and a system for detecting chalky rice on line. The method and the system are used for accurately detecting the chalkiness rate and the chalkiness of rice in real time to acquire production information of a rice production line. The method comprises the following steps of: periodically acquiring the same number of rice used as detected samples; acquiring images of the detected samples by a camera device to form acquired image data; performing grayscale image processing on the acquired image data to form grayscale image data; dividing the grayscale image data into a normal region, a reflective region and a chalky region; further detecting chalky pixel points by using an expected maximum value algorithm; and detecting the chalkiness rate and the chalkiness of the chalky rice according to the chalky pixel points.

Description

technical field [0001] The invention relates to the field of image data processing, in particular to an online detection method and system for chalky rice. Background technique [0002] my country is the largest rice producer in the world. However, the quality of rice has become a bottleneck restricting the production, sales and export of rice in my country. The chalkiness of rice is a very important indicator of rice quality, and it is also an important factor affecting the market price of rice. The national standard for high-quality rice GB / T17981-1999 defines: "Chalkiness" refers to the white opaque part of the rice endosperm, which is divided into belly white, heart white and back white according to the position of chalkiness in the rice endosperm. Among the detection indicators of high-quality rice, there are two chalkiness indicators: chalkiness degree and chalkiness grain rate. The detection methods stipulated by the state are as follows: [0003] Chalky grain rate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/88
Inventor 李同强
Owner ZHEJIANG GONGSHANG UNIVERSITY
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