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Proceedings Paper

Assigning fringe order in moire profilometry using colors
Author(s): Mahesh Kondiparthi
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Paper Abstract

A side illumination based approach capable of assigning fringe order to moiré topography is proposed. Along with the three basic components used to generate moiré fringes (camera/observer, grating and light source), current proposal uses additional light source which rules the object parallel to the grating plane with colored bands. This article deals with the theory, simulations and experimentation of the proposed method. This analysis is not only useful to assign fringe orders to Moiré phase map, but also helps one to reliably extract object surface profile in the presence of surface discontinuities (which will leads to 2Nπphase jumps).

Paper Details

Date Published: 24 September 2011
PDF: 14 pages
Proc. SPIE 8135, Applications of Digital Image Processing XXXIV, 813522 (24 September 2011); doi: 10.1117/12.912898
Show Author Affiliations
Mahesh Kondiparthi, Indian Institute of Science Bangalore (India)


Published in SPIE Proceedings Vol. 8135:
Applications of Digital Image Processing XXXIV
Andrew G. Tescher, Editor(s)

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