Symmetrical Epipolar Features Over Normalized Camera/Projector Calibration Matrices for Real-Time Structured Light Illumination

被引:4
作者
Liu, Kai [1 ]
Ying, Songlin [1 ]
Lau, Daniel L. [2 ]
Zhu, Ce [3 ]
Xu, Bin [4 ]
机构
[1] Sichuan Univ, Coll Elect Engn, Chengdu 610065, Sichuan, Peoples R China
[2] Univ Kentucky, Dept Elect & Comp Engn, Lexington, KY 40506 USA
[3] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu 611731, Sichuan, Peoples R China
[4] Sichuan Univ, Sch Mech Engn, Chengdu 610065, Sichuan, Peoples R China
关键词
3D reconstruction; active stereo vision; epipolar geometry; point clouds; structured light illumination; FRINGE PROJECTION PROFILOMETRY; ALGORITHMS; GEOMETRY;
D O I
10.1109/LSP.2022.3217442
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Structured light illumination is a 3D scanning technique based on projecting a series of striped patterns and reconstructing depth based on the observed warping of the pattern across the target surface. Extensively studied, real-time performance is of paramount importance in many applications. In this Letter, we build on prior researches with epipolar geometry to further simplify the computations of 3D point clouds, with the symmetrical epipolar features derived by extending epipolar geometry over normalized calibration matrices of the camera and projector. Experiments show that the proposed two new processes are of the same accuracy over the normalized calibration matrices with substantially fewer calculations.
引用
收藏
页码:2268 / 2272
页数:5
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