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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 14, Iss. 8 — Aug. 1, 1997
  • pp: 1742–1753

Adaptive quadrature filters and the recovery of phase from fringe pattern images

J. L. Marroquin, M. Servin, and R. Rodriguez-Vera  »View Author Affiliations


JOSA A, Vol. 14, Issue 8, pp. 1742-1753 (1997)
http://dx.doi.org/10.1364/JOSAA.14.001742


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Abstract

A principled approach, based on Bayesian estimation theory and complex-valued Markov random-field prior models, is introduced for the design of a new class of adaptive quadrature filters. These filters are capable of adapting their tuning frequency to the local dominant spatial frequency of the input image while maintaining an arbitrarily narrow local frequency response; therefore they may be effectively used for the accurate recovery of the phase of broadband spatial-carrier fringe patterns, even when they are corrupted by a significant amount of noise. Also, by constraining the spatial variation of the adaptive frequency to be smooth, they permit the completely automatic recovery of local phase from single closed fringe pattern images, since the spurious discontinuities and sign reversals that one obtains from the classical Fourier-based methods are avoided in this case. Although the applications discussed here come from fringe pattern analysis in optics, these filters may also be useful in the solution of other problems, such as texture characterization and segmentation and the recovery of depth from stereoscopic pairs of images.

© 1997 Optical Society of America

History
Original Manuscript: July 19, 1996
Revised Manuscript: December 12, 1996
Manuscript Accepted: December 12, 1996
Published: August 1, 1997

Citation
J. L. Marroquin, M. Servin, and R. Rodriguez-Vera, "Adaptive quadrature filters and the recovery of phase from fringe pattern images," J. Opt. Soc. Am. A 14, 1742-1753 (1997)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-14-8-1742

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