手机点胶三维轨迹生成方法  

Three-dimensional trajectory generation method for mobile phone dispensing

作　　者：刘洋 史金龙 钱强 欧镇 白素琴 LIU Yang;SHI Jinlong;QIAN Qiang;OU Zhen;BAI Suqin(School of Computer Science and Technology,Jiangsu University of Science and Technology,Zhenjiang 212000,China)

机构地区：[1]江苏科技大学计算机学院,江苏镇江212000

出　　处：《智能科学与技术学报》2024年第1期100-110,共11页Chinese Journal of Intelligent Science and Technology

基　　金：国家自然科学基金项目(No.51875270);民航智慧机场理论与系统重点实验室开放基金(No.SATS202207)。

摘　　要：智能手机边框在制造过程中往往存在形变问题,先前的视觉定位方法难以得到精确的边框点胶位置。针对此问题,提出了一种新颖的手机点胶三维轨迹生成方法。首先,使用三维线激光测量仪扫描边框,引入基于位姿图的点云拼接算法解决边框点云的拼接问题。采用基于模板的方法,标注模板点胶轨迹。然后,通过基于变形图的非刚性配准算法将模板与目标边框对齐,得到变换后的轨迹,并提出轨迹优化策略生成精准的目标点胶轨迹。实验证明,所提方法生成的轨迹精度可达0.01 mm以下,且速度可达到在线实时测量效果。Due to the potential issue of non-rigid deformations in the manufacturing process of mobile phone frames,most existing dispensing automation methods struggled to acquire accurate dispensing positions.For this purpose,an innovative approach of dispensing trajectory generation was proposed,which addressed the limitations associated with previous methods.Firstly,the phone frames were scanned using a 3D laser profiler,then a point cloud registration algorithm based on the pose graph was introduced to reconstruct the point clouds of frames.The template-based approach was employed,and the dispensing trajectory for template was manually annotated.Subsequently,the template was aligned with the target by a non-rigid registration algorithm based on the deformation graph,thereby the transformed trajectory was obtained.Furthermore,a trajectory refinement strategy was presented to generate the robust,accurate dispensing trajectory of the target.Extensive experiments demonstrate that the errors of the generated dispensing trajectories were consistently below 0.01 mm,and the speed can meet the real-time requirement of practical applications.

关 键 词：三维测量 点胶轨迹 位姿图 非刚性配准 轨迹优化 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]