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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 2 — Feb. 1, 1976
  • pp: 150–152

Multichannel image decoding using a composite filter

Jerome Knopp, Elmer L. Hixson, and Edward J. Powers  »View Author Affiliations

JOSA, Vol. 66, Issue 2, pp. 150-152 (1976)

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Jerome Knopp, Elmer L. Hixson, and Edward J. Powers, "Multichannel image decoding using a composite filter," J. Opt. Soc. Am. 66, 150-152 (1976)

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  1. J. Tsyjiuchu and G. W. Stroke, "Optical Image Deblurring Methods," Proceedings of U. S. —Japan Seminar on Information Processing by Holography, Washington, D. C., Oct. 1969; in Applications of Holography, edited by E. S. Barrekette et at., (Plenum, New York, 1971), pp. 259–308.
  2. G. W. Stroke and P. G. Zech, "A Posteriori Image-Correcting 'Deconvolution' by Holographic Fourier Transform Division," Phys. Lett. A 25, 87–90 (1967).
  3. J. L. Harris, Sr., "Image evaluation and restoration," J. Opt. Soc. Am. 56, 569–574 (1966).
  4. D. A. Tichenor, "Extended Range Spatial Filters for Image Deblurring," Dissertation in Electrical Engineering at Stanford University, 1974 available from University Microfilms #74-27, 128.
  5. J. L. Harris, "Potential and Limitations of Techniques for Processing Linear Motion Degraded Imagery," in Evaluation of Motion Degraded Images (U. S. Government Printing Office, Washington, D. C., 1968), pp. 131–138.
  6. In order to avoid confusion it is worthwhile to note that another distinctly different multichannel decoding scheme has recently been discussed. In this case the term channel refers to sidebands in the frequency plane rather than coded images. This method uses a transmission grating to redistribute the Fourier spectrum of the point-spread function into sideband "islands." This creates a deblurring filter with lower dynamic range requirements. See J. W. Goodman and H. B. Strubin, "Increasing the dynamic range of coherent optical filters by means of modulating gratings," J. Opt. Soc. Am. 63, 50–58 (1973).

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