A dual-frequency online PMP method with phase-shifting parallel to moving direction of measured object
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- 作者：Kuang Peng ; Yiping Cao ; ypcao@scu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yingchun Wu ; Cheng Chen ; Yingying Wan
- 关键词：Modulation ; Dual-frequency grating ; Pixel matching ; Phase unwrapping
- 刊名：Optics Communications
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：383
- 期：Complete
- 页码：491-499
- 全文大小：3269 K
文摘
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The dual-frequency grating is proposed to be used in online 3D measurement.
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The valid information loss in filtering process is avoided in phase calculation.
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The entire modulation of the measured object is cut to match pixels.
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The precision of 3D reconstruction can be improved.
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