Fringe Pattern Profilometry (FPP) is 3D surface measuring technique based on triangulation. The utilization of digital
projection in FPP system introduces significant phase distortion for Phase Shifting Profilometry (PSP), because of the
nonlinear response of digital video projectors, which is referred as gamma distortion. Considering that the distorted
phase has a stable function for a reference plane, this paper proposes an approach based on inverse function shift
estimation (IFSE) to detect the spatial shift of the distorted phase caused by object height. This spatial shift is
independent of projector's gamma distortion and accurate surface can be reconstructed based it. The simulation results
show that the proposed method can almost completely eliminate gamma distortion in reconstructed surface and we
obtain more than 5 times improvement in practical experiments.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.