Phase Unwrapping for 3D Shape Measurement of Discontinous Surface

Wen Guo Li; Shao Jun Duan

doi:10.4028/www.scientific.net/AMM.530-531.109

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 530-531Phase Unwrapping for 3D Shape Measurement of...

Phase Unwrapping for 3D Shape Measurement of Discontinous Surface

Abstract:

A phase unwrapping algorithm for 3D shape measurement of discontinous surface is presented. The proposed phase unwrapping algorithm can overcome the phase discontinuous problem.Three channel values in HSV space are completely employed to calculate the pattern color information intensity, the relative position relationship between adjacent pixels hue channel value is used to decide absolute phase fringe order. The proposed unwrapping algorithm can be applied to the measurement for 3d object with large height steps and/or spatially isolated surfaces. The correctness of the proposed algorithm is validated by our simulated experiment.

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Periodical:

Applied Mechanics and Materials (Volumes 530-531)

Pages:

109-112

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.530-531.109

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Online since:

February 2014

Authors:

Wen Guo Li*, Shao Jun Duan

Keywords:

3D Shape Measurement, Color Fringe Projection, Phase Unwrapping, Pseudorandom Multi-Valued Sequence

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* - Corresponding Author

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