Multi-frequency inverse-phase fringe projection profilometry for nonlinear phase error compensation
Multi-frequency inverse-phase fringe projection profilometry for nonlinear phase error compensation
复制标题
用于非线性相位误差补偿的多频反相条纹投影轮廓测量法
DOI:
10.1016/j.optlaseng.2014.09.018
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发表时间:
2015-03
影响因子:
4.6
通讯作者:
Zhou Canlin
中科院分区:
文献类型:
--
作者:
Lei Zhenkun;Wang Chunli;Zhou Canlin
A new multi-frequency inverse-phase method was proposed to compensate for nonlinear phase errors in fringe projection profilometry and to measure the three-dimensional shape of discontinuous objects. After introducing a phase offset ofπ/4 into the multi-frequency four-step phase-shifting method the corresponding nonlinear phase error reversed its sign, which allowed the addition of unwrapped phases before and after the phase-offset operation to compensate for the error. For the four-step phase-shifting method, simulation analysis showed that the nonlinear phase error had quadrupled the fringe frequency. Moreover, experimental results verified the feasibility and applicability of the proposed method.
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影响因子:
1.9
作者:
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通讯作者:
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DOI:
10.1117/12.631256
发表时间:
2005-11
期刊:
--
影响因子:
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作者:
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