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A Prediction Method Based on the Influence of Laminar Morphological Characteristics on Cut Tobacco Structure
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A technology for the structure and morphological characteristics of shredded tobacco is applied in the field of prediction based on the influence of morphological characteristics of sliced tobacco on the structure of shredded tobacco, and can solve problems such as no research results.
Active Publication Date: 2020-07-21
YUNNAN KUNMING SHIPBUILDING DESIGN & RESEARCH INSTITUTE
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[0004] How to predict the structure of shredded tobacco through the shape of tobacco laminae, there is no research result yet
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[0070] Step 1. Collection of shape description parameters of a single sheet of tobacco and calculation of area description parameters of a tobacco sample:
[0071] Firstly, 1.5 kg of tobacco leaves of a tobacco sample (Yuxi K326) were tested on the conventional tobacco size and distribution detection system CA813 equipment to detect each tobacco leaf, and the original image of each discrete tobacco leaf was collected, and the original image was obtained by conventional image processing technology. Lamina morphological description parameters, wherein the morphological description parameters of tobacco include area, perimeter, rectangularity, slenderness, and compactness; then calculate the large slice rate, medium slice rate, small slice rate, and fragmentation rate of the tobacco sample, and take the large slice Rate, medium rate, small rate, and fragment rate are used as the area description parameters of the tobacco sa...
[0137] Step 1. Collection of shape description parameters of a single sheet of tobacco and calculation of area description parameters of a tobacco sample:
[0138] Firstly, 1.5 kg of tobacco leaves of the tobacco sample (Hongta VC105) were detected on the CA813 equipment of the conventional tobacco size and distribution detection system, and the original images of each discrete tobacco leaf were collected, and the original images were obtained by using conventional image processing technology. Lamina morphological description parameters, wherein the morphological description parameters of tobacco include area, perimeter, rectangularity, slenderness, and compactness; then calculate the large slice rate, medium slice rate, small slice rate, and fragmentation rate of the tobacco sample, and take the large slice Rate, medium slice rate, small slice rate, and fragment rate are used as the area description parameters of the t...
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Abstract
The invention discloses a prediction method based on the influence of the morphological characteristics of laminar tobacco on the structure of shredded tobacco. After the calculation of the area description parameters and the calculation of the shape description parameters of the laminar tobacco samples, the structural equation model of the influence of the size and shape distribution of the laminar tobacco on the structure of the shredded tobacco is established, and then The area description parameters of the obtained tobacco samples and the shape description parameters of the obtained tobacco samples are used as latent variables, and the obtained large slice rate, medium slice rate, small slice rate and fragment rate and the Euclidean distance of the four slice types are used as obvious variables, and the import step 3. In the structural equation model established, the regression weight and variance data are substituted into the matrix equation, and the obtained matrix equation can describe the multivariate linear relationship between the area size and shape distribution of tobacco slices and the structure of shredded tobacco. The measurement accuracy of the present invention can reach within the range of 10%, can accurately describe the law between the structure of the tobacco sheet and the shredded tobacco, realizes the controllable relationship between the structure of the tobacco sheet and the shredded tobacco, and is suitable for the shredded cigarette making process and the redrying process It has good guiding significance.
Description
technical field [0001] The invention belongs to the fields of tobacco structure and image detection and classification, and in particular relates to a prediction method based on the influence of the morphological characteristics of laminar tobacco on the structure of shredded tobacco. Background technique [0002] In recent years, tobacco processing technology has developed rapidly, and the level of processing technology has been continuously improved, but basic research is still relatively weak. In the steps of threshing and redrying (tobacco leaf→leaf) and silk making (leaf→cut tobacco), the structure of shredded tobacco has attracted more and more attention. [0003] In the cigarette industry, it is of great practical significance to study the relationship between the shape of tobacco sheet on the threshing and redrying line and the structure of shredded tobacco on the threading line. Because the structure of shredded tobacco is an important factor determining the rollin...
Claims
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