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《Journal of Computer Applications》 2011-11
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Measurement of surface area and lumen volume of industrial computed tomography three-dimensional images

ZENG Li1,2,WANG Ying-hua1,2,CHEN Xu-jia1,2( 1.College of Mathematics and Statistics,Chongqing University,Chongqing 400044,China; 2.Research Center of Industrial Computed Tomography,Chongqing University,Chongqing 400044,China)  
The measurement of the size parameters of three-dimensional products is the base of gaining the design drawings from the products in reverse engineering.However,the measurement of the internal structure in products is difficult to achieve,especially the closed lumen by traditional measurement methods.A measurement method which is about surface area and lumen volume of industrial Computed Tomography(CT) three-dimensional images was studied,the C-V method was used to segment the industrial CT images,and area and volume were calculated based on getting the contour points of target area.In order to get smooth surface,the distance data between points on the surface and the center point was calculated,then Gaussian filter was used to remeasure the contour filter.The experimental results show that the method has better precision compared to the traditional measurement methods.
【Fund】: 国家自然科学基金资助项目(60972104);; 国家863计划项目(2006AA042104);; 重庆市自然科学基金资助项目(2010BB4222)
【CateGory Index】: TP391.41
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