Self-correction of projector nonlinearity in phase-shifting fringe projection profilometry.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.007204
Abstract: In phase-shifting fringe projection profilometry, the luminance nonlinearity of the used projector has been recognized as one of the most crucial factors decreasing the measurement accuracy. To solve this problem, this paper presents a self-correcting… read more here.
Keywords: projector; phase; projector nonlinearity; shifting fringe ... See more keywords
Efficient phase retrieval of two-directional phase-shifting fringe patterns using geometric constraints of deflectometry.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.008195
Abstract: In the phase measuring deflectometry, two groups of fringe patterns in orthogonal directions are usually applied to establish the correspondences between the pixel pairs on the screen and camera. Usually, 16 phase-shifting fringe patterns with… read more here.
Keywords: phase shifting; efficient phase; shifting fringe; fringe patterns ... See more keywords