Adaptive double PCA method of phase extraction in fringe projection profilometry
Xin Lai,
Dan Wu,
Xin Chen
et al.
Abstract:To improve the reconstruction efficiency in the fringe projection profilometry, we present an adaptive double principal component analysis (DPCA) algorithm to remove the zero frequency and carrier frequency. The proposed DPCA method consists of the background removal PCA (BRPCA) and carrier removal PCA (CRPCA). The BRPCA algorithm is used to remove zero-frequency component and suppress the spectrum overlapping. The threshold is adaptively adjusted according to the change of the singular value and the matrix re… Show more
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