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What is the purpose of getting the % of unhulled grains? 


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The purpose of getting the percentage of unhulled grains is to detect and discriminate damaged rice grains caused by stinkbugs . By using image processing systems and algorithms, researchers aim to identify the presence of stinkbug-damaged grains among the raw unhulled grains . This detection process involves generating transmitted light images of the grains, processing the images using binary conversion, contraction, and mask operations, and obtaining the mean gray level and number of pixels within the damaged parts of the grains . Through this analysis, a scatter chart is created, and a linear discriminant function is derived to distinguish undamaged grains from stinkbug-damaged grains . The overall goal is to improve the accuracy of grain quality assessment and ensure the production of high-quality rice .

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The purpose of measuring the moisture content of unhulled grains is to ensure the grains are of a fixed density and to exclude impurities and irregular grains.
The purpose of the study is to detect damaged rice grains caused by stinkbugs using image processing. The paper does not mention the purpose of getting the percentage of unhulled grains.
The purpose of getting the percentage of unhulled grains is to improve the accuracy of the hulling rate value by excluding the measured value of foreign matter from the data used for calculating the hulling rate.
Patent
Satake Toshihiko, Satake Satoru 
25 May 1981
2 Citations
The purpose of measuring the moisture content of unhulled rice grains is to obtain a highly accurate measurement using a simple device and operation.

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