A simple calibration procedure for structured light system
A simple calibration procedure for structured light system
复制标题
结构光系统的简单校准程序
DOI：
10.1016/j.optlaseng.2014.01.010
复制
发表时间：
2014-06-01
影响因子：
4.6
通讯作者：
Chen, Ken
中科院分区：
文献类型：
--
作者：
Luo, Huafen;Xu, Jing;Chen, Ken
The structured light system with a camera and a projector is widely used in various fields. However, the accurate calibration, which is crucial for a structured light system, is usually complicate and time-consuming, especially in the projector calibration stage. In addition, the calibration error of a projector is relatively bigger than a camera. Hence, a structured light system without the projector calibration can greatly reduce the system calibration error and simplify the calibration process. In this paper, a calibration method without projector calibration is proposed, in which the projector's line-of-sights serves as spatially vectors invariant to the environment. By introducing four reference planes and building look-up-tables for the camera-projector pixel correspondence, the 3D reconstruction of the system can be obtained without any projector's information. A series of experiments were performed to evaluate the proposed method, and it turned out that its accuracy is about 0.0925 mm. (C) 2014 Elsevier Ltd. All rights reserved.
