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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 16 — Aug. 15, 1978
  • pp: 2524–2531

Optical pseudocolor encoding of spatial frequency information

J. Bescos and T. C. Strand  »View Author Affiliations


Applied Optics, Vol. 17, Issue 16, pp. 2524-2531 (1978)
http://dx.doi.org/10.1364/AO.17.002524


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Abstract

An optical spatial filtering system is described which color encodes the local spatial frequency content of an image. It is shown that partially coherent illumination has advantages over coherent or incoherent illumination in this system. Experimental results are shown which indicate that the system can be used to perform a simple type of texture-to-color conversion. The system could be used to enhance textural differences for a human observer or as a preprocessor which provides texture related information to a second image processing device.

© 1978 Optical Society of America

History
Original Manuscript: December 7, 1977
Published: August 15, 1978

Citation
J. Bescos and T. C. Strand, "Optical pseudocolor encoding of spatial frequency information," Appl. Opt. 17, 2524-2531 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-16-2524


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References

  1. H. C. Andrews, A. G. Tescher, R. P. Kruger, IEEE Spectrum 9, 7, 20 (1972). [CrossRef]
  2. J. Rheinberg, J. R. Microsc. Soc. 373 (August1896).
  3. J. J. Burch, J. Opt. Soc. Am. 60, A709 (1970).
  4. H. H. Hopkins, Proc. R. Soc. London, Ser. A: 217, 408 (1953). [CrossRef]
  5. R. E. Swing, J. R. Clay, J. Opt. Soc. Am. 57, 1180 (1967). [CrossRef]
  6. R. J. Becherer, G. B. Parrent, J. Opt. Soc. Am. 57, 1479 (1967). [CrossRef]
  7. C. H. Graham, Ed., Vision and Visual Perception (Wiley, New York, 1965), p. 450.
  8. For an overview of texture analysis in the image processing context, see A. Rosenfeld, A. Kak, Digital Picture Processing (Academic, New York, 1967), p. 424ff. Recent literature on texture analysis in visual perception research is listed in the next reference.
  9. S. R. Purks, W. Richards, J. Opt. Soc. Am. 67, 765 (1977). [CrossRef] [PubMed]
  10. J. Bescos, T. C. Strand, J. Opt. Soc. Am. 67, A1407 (1977).

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