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Proceedings Paper

Speed sensing using projected fringe profilometry
Author(s): Wei-Hung Su
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Paper Abstract

An algorithm using fringe projection to perform the speed measurement is described. A fringe pattern is illuminated onto the dynamic object, and a CCD camera is used to record the fringe distribution. Fringes on the obtained image are deformed by the topography of the object, and also, blurred by motion. Thus, the blurred fringes supply additional information to describe the speed of motion. Only one shot measurement is required for data processing. This makes it possible to perform the speed measurements with low environmental vulnerability.

Paper Details

Date Published: 18 August 2010
PDF: 6 pages
Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 77810O (18 August 2010); doi: 10.1117/12.859765
Show Author Affiliations
Wei-Hung Su, National Sun Yat-Sen Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7781:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV
Shizhuo Yin; Ruyan Guo, Editor(s)

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