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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 6 — Mar. 15, 1983
  • pp: 777–779

Background pattern removal by power spectral filtering

Michael Cannon, Alex Lehar, and Fred Preston  »View Author Affiliations


Applied Optics, Vol. 22, Issue 6, pp. 777-779 (1983)
http://dx.doi.org/10.1364/AO.22.000777


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Abstract

A new method for removing periodic background patterns from pictures is presented. The basic spatial frequency composition of the pattern is determined from an estimate of the power spectrum of the picture. A convolutional restoration kernel is then created from a modified version of the power spectrum. The method is extremely effective and can be automated.

© 1983 Optical Society of America

History
Original Manuscript: August 14, 1982
Published: March 15, 1983

Citation
Michael Cannon, Alex Lehar, and Fred Preston, "Background pattern removal by power spectral filtering," Appl. Opt. 22, 777-779 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-6-777


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References

  1. R. C. Gonzalez, P. Wintz, Digital Image Processing (Addison-Wesley, Reading, Mass., 1977).
  2. P. D. Welch, “The Use of the Fast Fourier Transform for the Estimation of Power Spectra,” IEEE Trans. Audio Electroacoust. AE-15, 70 (June1967). [CrossRef]
  3. E. O. Brigham, The Fast Fourier Transform (Prentice-Hall, Englewood Cliffs, N.J., 1974).

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