Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.2018756
Title: Development of a fast and accurate color-encoded digital fringe projection profilometry
Authors: Liu, Z.
Quan, C. 
Tay, C.J. 
Keywords: Blind phase error suppression
Color-encoded digital fringe projection profilometry (CDFPP)
Phase error
Profile measurement
Issue Date: 2013
Source: Liu, Z., Quan, C., Tay, C.J. (2013). Development of a fast and accurate color-encoded digital fringe projection profilometry. Proceedings of SPIE - The International Society for Optical Engineering 8769 : -. ScholarBank@NUS Repository. https://doi.org/10.1117/12.2018756
Abstract: In the past two decades, fringe projection profilometry (FPP) has been widely used in three-dimensional (3D) profile measurement for its fast speed and high accuracy. As a branch of FPP, color-encoded digital fringe projection profilometry (CDFPP) has been applied to surface profile measurement. CDFPP has the advantage of being fast speed, non-contact and full-field. It is one of the most important dynamic 3D profile measurement techniques. However, due to color cross-talk and gamma distortions of electro-optical devices, phase errors arise in using conventional phase-shifting algorithms to retrieve the phase in CDFPP. Therefore, it is important to develop methods for phase error suppression in CDFPP and thus realizing fast and accurate profile measurement. In this paper, a phase error suppression technique is proposed to overcome color cross-talk and gamma distortions. The proposed method is able to carry out fast and accurate surface profile measurement. The real data experimental results show that the proposed method can effectively suppress phase errors and achieve accurate measurements in CDFPP. © 2013 SPIE.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/73334
ISBN: 9780819495679
ISSN: 0277786X
DOI: 10.1117/12.2018756
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