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3D shape measurements using phase-encoded patterns and phase-shifting techniques
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Paper Abstract

A fringe projection method based on the phase-shifting technique for 3D shape measurements is presented. Phase extraction is performed by the phase-shifting technique, while unwrapping is discerned by the phase-encoded patterns. There is no need to take additional projections for phase unwrapping. The fringe patterns used for phase extraction can be directly utilized for unwrapping. Experiments show that absolute phases could be obtained with high reliability.

Paper Details

Date Published: 4 September 2018
PDF: 6 pages
Proc. SPIE 10755, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII, 1075512 (4 September 2018); doi: 10.1117/12.2323813
Show Author Affiliations
Ching-Cherng Sun, National Central Univ. (Taiwan)
Yeh-Wei Yu, National Central Univ. (Taiwan)
Wei-Hung Su, National Sun Yat-Sen Univ. (Taiwan)


Published in SPIE Proceedings Vol. 10755:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII
Shizhuo Yin; Ruyan Guo, Editor(s)

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