Three-dimensional morphological analysis of the combustion cone in cigarettes based on wireframe model
[Objective]This study aims to generate a complete three-dimensional morphological model of the cigarette combustion cone and extract parameters such as height,surface area,deviation angle,volume of the combustion cone,thereby providing support for establishing a cigarette combustion performance evaluation system.[Methods]A cigarette with a combustion cone is placed on a high-precision rotating platform.A video of the combustion cone is collected with a smartphone and converted into images.Edge coordinates of the combustion cone are obtained through image segmentation and edge extraction.A wireframe model is used to establish the three-dimensional shape of the combustion cone,and the height,surface area,volume,and deviation angle are calculated to analyze the distribution characteristics of the deviation angle.[Results]The three-dimensional model of the cigarette combustion cone established by this method has a continuous and smooth surface,which realizes the accurate measurement of the three-dimensional shape of the combustion cone and is superior to conventional measurement methods.
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