Improved algorithm for phase-to-height mapping in phase measuring profilometry.

@article{Xiao2012ImprovedAF,
  title={Improved algorithm for phase-to-height mapping in phase measuring profilometry.},
  author={Yanshan Xiao and Yiping Cao and Yingchun Wu},
  journal={Applied optics},
  year={2012},
  volume={51 8},
  pages={1149-55}
}
An improved algorithm for phase-to-height mapping in phase-measuring profilometry (PMP) is proposed, in which the phase-to-height mapping relationship is no longer restricted to the condition that the optical axes of the imaging system must be orthogonal to the reference plane in the basic PMP. Only seven coefficients independent of the coordinate system need to be calibrated, and the system calibration can be accomplished using only two different gauge blocks, instead of more than three… CONTINUE READING

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