The gamma effect of commercial video projectors generates residual ripples that propagate in the continuous phase map, which generate errors in the three-dimensional reconstruction when fringe projection profilometry (FPP) is used. In this workis is proposed find a strategy based in the Fourier spectral analysis to reduce the ripples due to gamma effect, combbining passive (as Phase Shifting Algorithms-PSA) and active methods.

© 2019 The Author(s)

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