Object shape recovering using multifrequency fringe projection

F. J. Cuevas; Manuel Servin Guirado; Ramon Rodriguez-Vera; Jose Luis Marroquin Zaleta

doi:10.1117/12.231096

5 February 1996 Object shape recovering using multifrequency fringe projection

F. J. Cuevas, Manuel Servin Guirado, Ramon Rodriguez-Vera, Jose Luis Marroquin Zaleta

Proceedings Volume 2730, Second Iberoamerican Meeting on Optics; (1996) https://doi.org/10.1117/12.231096
Event: Second Iberoamerican Meeting on Optics, 1995, Guanajuato, Mexico

Abstract

In this paper, a new and useful technique is presented to recover the object surface shape that contains discontinuities and additionally a wrinkled texture. In conventional photometric and fringe projection methods it is difficult to recover discontinuities and wrinkled texture, simultaneously. For carrying out the proposed technique, it is necessary to have the projection of a cosenuidal ruling with low and high frequencies. The technique recovers the discontinuities by filtering out low frequency in the Fourier spectrum. On the other hand, the wrinkled texture is detected by using the high frequency of the ruling spectrum. Finally, we use a joining algorithm to get the global object shape.

Citation Download Citation

F. J. Cuevas, Manuel Servin Guirado, Ramon Rodriguez-Vera, and Jose Luis Marroquin Zaleta "Object shape recovering using multifrequency fringe projection", Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); https://doi.org/10.1117/12.231096

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KEYWORDS

Optical filters

Gaussian filters

Fourier transforms

Computer simulations

Rutherfordium

Calculus

Fringe analysis

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