A Polarized Structured Light Method for the 3D Measurement of High-Reflective Surfaces

被引:7
作者
Liang, Jixin [1 ,2 ]
Ye, Yuping [1 ]
Gu, Feifei [1 ,3 ]
Zhang, Jiankai [1 ]
Zhao, Juan [1 ,3 ]
Song, Zhan [1 ,3 ]
机构
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
[2] Southern Univ Sci & Technol, Coll Engn, Shenzhen 518055, Peoples R China
[3] Chinese Univ Hong Kong, Dept Mech & Automat Engn, Hong Kong 999077, Peoples R China
基金
中国国家自然科学基金;
关键词
high reflection; structured light; polarization; 3D reconstruction; PROJECTION; ACCURATE;
D O I
10.3390/photonics10060695
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The reflection phenomenon exhibited by highly reflective surfaces considerably affects the quality of captured images, thereby rendering the task of structured light (SL) 3D reconstruction. In this paper, a polarized SL method is proposed to address the reconstruction issues on high-reflectance surfaces. The SL system we build in this paper involves a four-channel polarizing camera and a digital light processing (DLP) projector equipped with a polarizer in the lens. The built system enables the simultaneous acquisition of four groups of fringe images, each with different brightness differences. Then, a binary time-multiplexing SL method is adopted to obtain four distinct point clouds. Additionally, a fusion algorithm is proposed to merge the four point clouds into a single, precise, and complete point cloud. Several experiments have been conducted to demonstrate that the proposed method is capable of achieving excellent reconstruction outcomes on highly reflective surfaces.
引用
收藏
页数:16
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