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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 4 — Feb. 1, 2010
  • pp: 554–561

Estimation of fringe orientation for optical fringe patterns with poor quality based on Fourier transform

Chen Tang, Zhifang Wang, Linlin Wang, Jian Wu, Tao Gao, and Si Yan  »View Author Affiliations


Applied Optics, Vol. 49, Issue 4, pp. 554-561 (2010)
http://dx.doi.org/10.1364/AO.49.000554


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Abstract

Fringe orientation represents an important property of fringes. The estimation of orientation from a poor quality fringe image is still a challenging problem faced in this area. This paper introduces a new approach for estimating optical fringe orientation with a poor quality image. This approach is based on the power spectrum analysis of the Fourier transform. We evaluate the performance of this algorithm via application to a variety of test cases and comparison with the widely used gradient-based method and accumulate-differences method. The experimental results show that our method is capable of calculating fringe orientation robustly even when the quality of fringe images is considerably low because of high or low density, high noise, and low contrast. Under the same conditions, our accuracy is even better than that obtained with the gradient-based and accumulate-differences methods, especially for fringe images with poor quality.

© 2010 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2650) Image processing : Fringe analysis

ToC Category:
Image Processing

History
Original Manuscript: October 12, 2009
Revised Manuscript: December 22, 2009
Manuscript Accepted: January 5, 2010
Published: January 21, 2010

Citation
Chen Tang, Zhifang Wang, Linlin Wang, Jian Wu, Tao Gao, and Si Yan, "Estimation of fringe orientation for optical fringe patterns with poor quality based on Fourier transform," Appl. Opt. 49, 554-561 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-4-554

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