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Measuring method and measuring device for grain true density

A measurement method and a technology of true density, applied in the agricultural field, can solve the problems of poor repeatability of calculation methods, poor accuracy of seed density results, and inability to accurately obtain the volume of a single seed, so as to improve accuracy and calculation efficiency, repeatability good operability

Active Publication Date: 2020-06-09
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Problems solved by technology

[0004] However, neither of these two methods can accurately obtain the volume of a single seed, but can only calculate the average volume of the tested seeds, which leads to the problems of poor accuracy of the obtained seed density results and poor repeatability of the calculation method

Method used

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  • Measuring method and measuring device for grain true density
  • Measuring method and measuring device for grain true density
  • Measuring method and measuring device for grain true density

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] The following embodiments of the present invention propose a measurement method and a measurement device for the true density of grains.

[0040] The measuring method of the grain true density that the first embodiment of the present invention provides, see figure 1 , the method specifically includes the following steps:

[0041] S10...

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Abstract

The invention provides a method and a measuring device for measuring the true density of grains. The method includes: obtaining a CT sequence image of the grain and the quality of the grain; reconstructing a voxel model of the grain based on the CT sequence image, and obtaining the actual volume of the grain; using an image segmentation method to segment the voxel model to obtain the grain The volume of the cavity; calculate the effective volume of the grain based on the actual volume of the grain and the volume of the cavity; calculate the true density of the grain based on the mass of the grain and the effective volume. The invention realizes non-destructive, non-invasive and accurate calculation of the cavity volume of the grain, and calculates the true density of the grain based on the cavity volume of the grain, improves the accuracy and calculation efficiency of calculating the grain density, and has repeatable operability good.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a method and device for measuring the true density of grains. Background technique [0002] The quality characteristics of seeds directly affect the yield of crops. The quality characteristics of seeds mainly include starch content, fat content, protein composition, grain weight, grain density, grain hardness, and grain moisture content. Among them, starch content, fat content, protein composition, etc. have been widely used in the determination of methods. Seed density is the density obtained from the actual volume and mass of a single seed. [0003] At present, the commonly used methods for measuring the density of seeds are roughly divided into two categories. One is the measuring cylinder method, which measures the volume of liquid displaced by seeds of a certain weight, and then obtains the seed density; the other is the gas specific gravity method, which measures the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/11G01N33/24
CPCG06T7/0002G06T7/11G01N33/24G06T2207/10081G06T2207/30188G01N33/245
Inventor 郭新宇赵春江张颖杜建军马黎明潘晓迪王璟璐
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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