A dual-frequency fringe projection three-dimensional shape measurement system using a DLP 3D projector
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- 作者：Meiling Dai ; meiling-dai@163.com" class="auth_mail" title="E-mail the corresponding author ; Fujun Yang ; yang-fj@seu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Cong Liu ; Xiaoyuan He
- 关键词：3D shape measurement ; Fringe projection ; Synchronization ; Phase unwrapping
- 刊名：Optics Communications
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：382
- 期：Complete
- 页码：294-301
- 全文大小：2168 K
文摘
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A new dual-frequency fringe projection system is developed for 3D shape measurement.
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The use of the DLP 3D projector and LC shutter glasses improves the projection speed.
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The technique of image registration guarantees the accuracy of phase unwrapping.
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Phase-to-height conversion and non-sinusoidal errors are handled in one go.
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The proposed method is able to measure the surfaces with steps or discontinuities.