Novel calibration method for 3-D measurement system based on fringe projection

Mingyi Chen; Haitao He; Hongwei Guo

doi:10.1117/12.621552

12 April 2005 Novel calibration method for 3-D measurement system based on fringe projection

Mingyi Chen, Haitao He, Hongwei Guo

Proceedings Volume 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics; (2005) https://doi.org/10.1117/12.621552
Event: Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, 2004, -, Singapore

Abstract

A novel calibration method for fringe projection 3-D measurement system is presented. To get the data serving the calibration, a calibration gauge with white-black checker pattern is transferred to different positions with known depths. At each position, the phase values in the black squares are regarded as invalid data for their lower modulation, and the phase distribution of the whole calibration gauge is obtained by the least-square fitting to the phases in the white squares according to the theoretical distribution function. The phase-to-depth and pixel to lateral coordinate mapping relationship are simultaneously calibrated. The validityof the proposed method is demonstrated by experimental results.

Citation Download Citation

Mingyi Chen, Haitao He, and Hongwei Guo "Novel calibration method for 3-D measurement system based on fringe projection", Proc. SPIE 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, (12 April 2005); https://doi.org/10.1117/12.621552

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