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首页> 外文会议>SICE Annual Conference 2011 : Final program and abstracts >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的三维CT图像分割技术在织物单丝上的表达

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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：在本文中，提出了一种织物的单条编织纱线的表达方法，用于在其三维（3D）X射线计算机断层扫描（CT）图像上对织物进行结构分析。在该方法中，基于作为纱线中心点的序列的位置的纱线位置和纱线取向，将3D CT图像的体素分割成每根纱线。首先，通过将体素值与细丝模型相关联来估计3D CT图像的所有体素上的细丝方向。然后，通过连接具有相似估计细丝取向的细丝体素来重建每个细丝。通过基于两条细丝之间的距离捆扎重构的细丝来重构每根纱线。纱线的位置和方向是通过细化重建的纱线获得的。通过在体素和纱线中心点之间新定义的距离上进行聚类，将3D CT图像的体素细分为每根纱线。结果，通过具有分段体素的体绘制技术来表达单个纱线。通过将实验方法应用于平纹针织物的3D图像，可以验证所提出的纱线表达方法的有效性。

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