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基于特征点提取的工件点云分割方法

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针对实际生产中工件相距过近,出现的粘连工件点云无法精确分割问题,提出基于特征点提取的工件点云分割方法。使用随机采样一致性算法将无关点云滤除,利用点云法向量特征进行特征点提取,采用欧式聚类算法对去特征点后的点云进行分割,最后利用模板点云进行配准并补全工件点云。实验结果表明,该方法能将工件点云分割成功率由63。6%提升到81。8%。
Workpiece Point Cloud Segmentation Method Based on Feature Point Extraction
A workpiece point cloud segmentation method based on feature point extraction was pro-posed to address the issue of inaccurate segmentation of adhesive workpiece point clouds caused by the close proximity of workpieces in actual production.The random sampling consistency algorithm was used to filter out irrelevant point clouds,and feature points were extracted by using normal vector fea-tures of point clouds.The point clouds with feature points removed were segmented by using the Euclid-ean clustering algorithm,and the workpiece point cloud was finally registered and completed by using the template point cloud.The experimental results show that this method can increase the success rate of workpiece point cloud segmentation from 63.6%to 81.8%.

point cloud segmentationnormal vectorfeature point extractionpoint cloud registration

杨帅、王生怀、钟明、王伟、陈哲

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湖北汽车工业学院 机械工程学院,湖北 十堰 442000

武汉筑梦科技有限公司,湖北 武汉 430000

点云分割 法向量 特征点提取 点云配准

2024

湖北汽车工业学院学报
湖北汽车工业学院

湖北汽车工业学院学报

影响因子:0.304
ISSN:1008-5483
年,卷(期):2024.38(3)