Phase shifting algorithms for fringe projection profilometry: A review
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.04.019
Abstract: Abstract The principle of structured light and triangulation is used in a wide range of 3D optical metrology applications, such as mechanical engineering, industrial monitoring, computer vision, and biomedicine. Among a multitude of techniques based… read more here.
Keywords: algorithms fringe; phase; shifting algorithms; phase shifting ... See more keywords
Efficient Half-Period Phase Histogram Equalization for General Phase-Shifting Algorithms With Phase Shift Errors
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3212743
Abstract: Phase-shifting algorithms are widely used for optical metrology that extract the phase from several fringe patterns with phase shifts. However, accurate phase shifts are always the crucial premise to guarantee the accuracy of phase extraction,… read more here.
Keywords: period; phase shifting; half period; period phase ... See more keywords
Design of nonlinearly spaced phase-shifting algorithms using their frequency transfer function.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.001134
Abstract: Here we show how to design phase-shifting algorithms (PSAs) for nonuniform/nonlinear (NL) phase-shifted fringe patterns using their frequency transfer function (FTF). Assuming that the NL phase steps are known, we introduce the desired zeroes in… read more here.
Keywords: transfer function; phase shifting; frequency transfer; using frequency ... See more keywords