Open AccessTarget enhanced 3D reconstruction based on polarization-coded structured light
Author(s) -
Xiao Huang,
Jian Bai,
Kaiwei Wang,
Qun Li,
Yujie Luo,
Kailun Yang,
Xianjing Zhang
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.001173
Subject(s) - polarizer , structured light , optics , polarimetry , computer science , polarization (electrochemistry) , digital light processing , linear polarization , projector , circular polarization , stokes parameters , liquid crystal display , coding (social sciences) , physics , birefringence , laser , chemistry , statistics , mathematics , scattering , microstrip
Structured light is a prevailing and reliable active approach of 3D object reconstruction. But complex ambience is undesirable in the measurement because it could cause severe noise and increase computing overhead. In this paper, we propose a structured light coded by spatially-distributed polarization state of the illuminating patterns. The proposed structured light has the advantage of enhancing target in 3D reconstruction by polarization cues. Specifically, this method can estimate the degree of linear polarization (DOLP) in the scene, distinguish target by DOLP and selectively reconstruct it. The coding strategy and the corresponding polarimetric principle are presented and verified by experimental results. As our approach takes advantage of the intrinsic properties of liquid crystal display (LCD) projector and requires no rotation of polarizer, it is effective and efficient for practical applications.