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Proceedings Paper

Projected fringe profilometry using a holographic technique: a compact design for endoscopes
Author(s): Wei-Hung Su; Chi-Hung Shao
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Paper Abstract

We propose a projection scheme using a diffraction element for finding the absolute shape of an object with large depth discontinuities. Its application built into an endoscope to retrieve an object inside a body cavity is presented as well. Among all existing fringe projection schemes, this proposed method is notable for its compact design. Only one phase measurement is required. To inspect a dynamic object is desirable.

Paper Details

Date Published: 25 August 2008
PDF: 9 pages
Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 70561R (25 August 2008); doi: 10.1117/12.796700
Show Author Affiliations
Wei-Hung Su, National Sun Yat-Sen Univ. (Taiwan)
Chi-Hung Shao, National Sun Yat-Sen Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7056:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II
Shizhuo Yin; Ruyan Guo, Editor(s)

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