Fast profilometer for the automatic measurement of 3-D object shapes.

@article{Tang1990FastPF,
  title={Fast profilometer for the automatic measurement of 3-D object shapes.},
  author={Shaoping Tang and Ying-kit Hung},
  journal={Applied optics},
  year={1990},
  volume={29 20},
  pages={3012-8}
}
A fast technique for automatic 3-D shape measurement is proposed and verified by experiments. The technique, based on the principle of phase measurement of the deformed grating pattern which carries the 3-D information of the measured object, can automatically and accurately obtain the phase map or the height information of a measured object at every pixel point without assigning fringe orders and interpreting data in the regions between the fringe orders. Only one image pattern is sufficient… CONTINUE READING
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