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首页> 外文会议>SICE Annual Conference >Expression of Individual Woven Yarn of Textile Fabric Based on Segmentation of Three Dimensional CT Image by Using Yarn Position and Orientation
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Expression of Individual Woven Yarn of Textile Fabric Based on Segmentation of Three Dimensional CT Image by Using Yarn Position and Orientation

机译：基于纱线位置和方向基于三维CT图像分割的纺织织物各个编织纱的表达

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摘要

In this paper, an expression method of the individual woven yarn of a textile fabric is proposed for structure analysis of textile fabric on its three-dimensional (3D) X-ray computed tomography (CT) image. In this method, the voxels of the 3D CT image is segmented into each yarn based on the yarn position, which is the position of the sequence of the yarn center points, and the yarn orientation. First of all, the orientations of the filaments at all the voxels of the 3D CT image are estimated by correlating the voxel values with a filament model. Each filament is then reconstructed by connecting the voxels of the filaments which have similar estimated filament orientations. Each yarn is reconstructed by bundling the reconstructed filaments based on distance between two filaments. The yarn position and orientation are obtained by thinning the reconstructed yarns. The voxels of the 3D CT image are segmented into each yarn by clustering on the basis of newly defined distance between the voxel and the yarn center point. As a result, the individual yarn is expressed by volume-rendering technique with the segmented voxels. The effectiveness of the proposed yarn expression method is confirmed by experimentally applying this method to a 3D image of a plain knitted fabric.
机译：本文提出了一种纺织织物的各个编织纱线的表达方法，用于纺织织物对其三维（3D）X射线计算机断层扫描（CT）图像的结构分析。在该方法中，基于纱线位置将3D CT图像的体素分割成每个纱线，这是纱线中心点的序列和纱线取向的位置。首先，通过将体素值与灯丝模型相关联来估计3D CT图像的所有体素的长丝的方向。然后通过将具有类似估计的长丝取向的长丝的血管凝块连接来重建每个细丝。通过基于两根长丝之间的距离捆绑重建的长丝来重建每个纱线。通过稀释重建的纱线来获得纱线位置和方向。基于体素和纱线中心点之间的新限定距离，通过聚类将3D CT图像的体素分割成每条纱线。结果，各个纱线由具有分段的体素的体积呈现技术表达。通过通过实验将该方法应用于普通针织织物的3D图像来确认所提出的纱线表达方法的有效性。

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