Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/60334
Title: Flexible structured-light-based three-dimensional profile reconstruction method considering lens projection-imaging distortion
Authors: Ma, S.
Zhu, R.
Quan, C. 
Chen, L.
Tay, C.J. 
Li, B.
Issue Date: 1-May-2012
Source: Ma, S.,Zhu, R.,Quan, C.,Chen, L.,Tay, C.J.,Li, B. (2012-05-01). Flexible structured-light-based three-dimensional profile reconstruction method considering lens projection-imaging distortion. Applied Optics 51 (13) : 2419-2428. ScholarBank@NUS Repository.
Abstract: Structured-light profilometry is a powerful tool to reconstruct the three-dimensional (3D) profile of an object. Accurate profile acquisition is often hindered by not only the nonlinear response (i.e., gamma effect) of electronic devices but also the projection-imaging distortion of lens used in the system. In this paper, a flexible 3D profile reconstruction method based on a nonlinear iterative optimization is proposed to correct the errors caused by the lens distortion. It can be easily extended to measurements for which a more complex projection-imaging distortion model is required. Experimental work shows that the rootmean- square (RMS) error is reduced by eight times and highly accurate results with errors of less than 1% can be achieved by the proposed method. © 2012 Optical Society of America.
Source Title: Applied Optics
URI: http://scholarbank.nus.edu.sg/handle/10635/60334
ISSN: 00036935
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