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Portable cereal analyzer based on digital picture processing technique

A digital image and image processing technology, which is applied in the analysis of materials, material analysis by optical means, instruments, etc., can solve the problems of destructive rice samples, expensive instruments, complicated operation, etc., and achieve easy calibration, simple operation, volume small effect

Inactive Publication Date: 2008-01-23
UNIVERSITY OF KENT
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Problems solved by technology

Instruments based on these principles are expensive, bulky, complicated to operate, inefficient, and destructive to rice samples

Method used

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  • Portable cereal analyzer based on digital picture processing technique
  • Portable cereal analyzer based on digital picture processing technique

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Embodiment Construction

[0025] The portable grain analyzer based on the digital image processing technology of the present invention is described in conjunction with the accompanying drawings and examples.

[0026] The present invention mainly solves the technical problems in two aspects. The first is the automatic feeding of cereal samples. Cereals are a granular mixture composed of a large number of grains. Using digital imaging and image processing to detect such a mixture means imaging, image processing and finally statistical data analysis for each grain in the sample. For this purpose, a special electromechanical feeding system must automatically convey and disperse the grains in the sample one by one in front of the digital camera. Only then can the camera capture all or most of the grains in the sample. At the same time, the electromechanical feeding system should not be too bulky, otherwise it will be difficult to ensure the portability of the instrument. The first step in the operation o...

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Abstract

The invention provides a portable grain analyzer that is based on digital image processing technology. The analyzer comprises a mechanic-electric feeding system, a digital imaging system, and an image processing and data analysis system. The grains entered into the mechanic-electric feeding system will be imaged by the digital imaging system, then the imaged signals are transmitted to the image processing and data analysis system. The mechanic-electric feeding system and the digital imaging system operate under control by a computer through an image collecting and a system controlling circuit board. The mechanic-electric feeding system has a funnel, under which, a distributing plate connected with a vibrator is provided; below the distributing plate, a rotary platform for receiving grains is provided; on the rotary platform, a scraping piece is provided; under the rotary platform, a collector is provided; above the rotary platform, the digital imaging system is provided. The analyzer can automatically feed samples, is of small size, easy to operate, of high efficiency and low cost, and will not damage the sample. The invention is applicable for classification, identification, true and false verification, and quality inspection of rice and similar grains and beans.

Description

technical field [0001] The invention relates to an analysis and detection instrument, in particular to a portable cereal analyzer based on digital image processing technology. Background technique [0002] Rice is one of the agricultural products with the largest consumption in the world, and the annual output of rice in the world is more than hundreds of millions of tons. There are so many varieties of rice that vary greatly in quality and market price, but their physical characteristics, such as size, shape, color, surface texture, etc., vary little or very little. Because of this, it is easy to label one cheap, low-quality rice as another high-priced, high-quality one, or to mix poor rice into high-priced, high-quality rice. This practice of falsification or adulteration is more common in the rice market in many countries. In order to prevent this phenomenon from happening, relevant agencies in some countries, such as the "International Rice Research Institute" and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/10G01N21/84
Inventor 闫勇罗伯特·卡特尔
Owner UNIVERSITY OF KENT
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