5G电源模组高精度3D结构光测量技术  

High-Precision 3D Structure Optical Measurement Technology for 5G Power Modules

作　　者：邓芳伟[1] 黄石军 DENG Fangwei;HUANG Shijun(ZTE Corporation,Shenzhen 518057,China)

机构地区：[1]中兴通讯股份有限公司,中国深圳518057

出　　处：《中兴通讯技术》2024年第5期75-80,共6页ZTE Technology Journal

基　　金：国家重点基础研究发展计划项目(2010CB328200、2010CB328201);国家高技术研究发展计划项目(2006AA01Z257);国家自然科学基金项目(60602058、60572120);国家科技重大专项(2009ZX03003-002-02)。

摘　　要：提出了多视角大景深高精度3D视觉传感技术。运用高清数字光处理(DLP)结构光投影技术和高速高分辨工业相机,从板级集成电路设计、控制驱动软件研发、3D点云重建与处理算法等方面深入研究,自主研发亚微米级/低成本多视角大景深高精度3D视觉测量技术。主要包括:采用高分辨率、高帧率的工业摄像机,实现高精度的三维重建;采用多波长相位扩展法,实现高精度的相位计算;利用多工业摄像机解决视场隐藏,扩大了三维重构视场,最终实现了0.48μm Z轴的重复精度。The multi-angle large-field-depth high-precision 3D visual sensing technology is proposed,which uses the high-definition digital light processing(DLP)structure light projection technology and high-speed high-resolution industrial camera to conduct in-depth research on board-level integrated circuit design,control drive software R&D,and 3D point cloud reconstruction and processing algorithms,and inde⁃pendently develops sub-micron-level/low-cost high-precision 3D visual measurement technology.High-resolution and high-frame-rate industrial cameras are used to achieve high-precision 3D reconstruction.The multi-wavelength phase spread method is used to implement high-precision phase calculation.Multi-industrial cameras are used to hide the field of view,expanding the three-dimensional reconstruc⁃tion of the field of view,and finally achieving the repetition accuracy of the 0.48μm Z axis.

关 键 词：多视角 三维重建 多波长相位扩展法 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]