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Bescos J, Strand TC. Optical pseudocolor encoding of spatial frequency information. Appl Opt. 1978;17(16):2524-31doi: 10.1364/AO.17.002524.
Bescos, J., & Strand, T. C. (1978). Optical pseudocolor encoding of spatial frequency information. Applied optics, 17(16), 2524-31. https://doi.org/10.1364/AO.17.002524
Bescos, J, and Strand, T C. "Optical pseudocolor encoding of spatial frequency information." Applied optics vol. 17,16 (1978): 2524-31. doi: https://doi.org/10.1364/AO.17.002524
Bescos J, Strand TC. Optical pseudocolor encoding of spatial frequency information. Appl Opt. 1978 Aug 15;17(16):2524-31. doi: 10.1364/AO.17.002524. PMID: 20203816.
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Appl Opt. 1978 Aug 15;17(16):2524-31. doi: 10.1364/AO.17.002524.

Optical pseudocolor encoding of spatial frequency information.

Applied optics

J Bescos, T C Strand

PMID: 20203816 DOI: 10.1364/AO.17.002524

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.

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