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当前位置: 首页 > 文章 > 皮棉中异性纤维骨架快速提取算法 农业机械学报 2010,41 (6) 177-181
Position: Home > Articles > Fast Skeletonization Algorithm of Foreign Fibers in Lint Cotton Transactions of the Chinese Society for Agricultural Machinery 2010,41 (6) 177-181

皮棉中异性纤维骨架快速提取算法

作  者：
瞿鑫;丁天怀
单  位：
清华大学精密仪器与机械学系
关键词：
皮棉;异性纤维;特征提取;骨架;距离变换
摘  要：
提出了一种皮棉中异性纤维骨架提取算法。首先对图像进行距离变换,以距离图中的局部极大值点作为种子点,沿着各个方向上的脊点推进骨架,从而以脊线连接各局部极大值点。扫描骨架点集,对骨架进行细化,剔除对骨架连通性不起作用的重复点。之后,对伪骨架段进行剪枝,最终得到准确的骨架。该方法得到的骨架具有良好的单像素性和连通性,同时对于细长状以及存在断续的异性纤维能进行准确的骨架提取。实验表明,算法的运算复杂度低,能实现异性纤维骨架的快速提取。
译  名：
Fast Skeletonization Algorithm of Foreign Fibers in Lint Cotton
作  者：
Qu Xin Ding Tianhuai(Department of Precision Instruments and Mechanology,Tsinghua University,Beijing 100084,China)
关键词：
Lint cotton,Foreign fiber,Feature extraction,Skeleton,Distance transformation
摘  要：
A skeletonization algorithm of foreign fibers in lint cotton was proposed.Distance transformation was implemented to the original image and the distance map was obtained.The local maxima points of the distance map were treated as the seed points and the skeleton was extended forward in all directions along the ridge points.Then the local maxima points were connected through the ridge lines.The skeleton points set scan and skeleton thinning process were carried on to eliminate the duplicated points,which had no use to the skeleton connectivity.Then the pruning process was implemented to remove the pseudo-skeletons and the accurate skeletons were obtained.The proposed algorithm guaranteed the connectivity of the skeleton and single-pixel in width.Furthermore,it could extract accurate skeletons of foreign fibers with slender shape and discontinuous parts.Test showed that the proposed algorithm had low computing complexity and could achieve the fast extraction of foreign fiber skeletons.

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