Abstract

Phase-only and binary-phase spatial light modulators can be employed in the filter plane of incoherent pattern recognition systems. We employ computer simulations to show that advanced filter design techniques can be used to achieve a close approximation to classical matched filtering.

© 1992 Optical Society of America

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References

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  1. D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).
  2. J. L. Horner, P. D. Gianino, Appl. Opt. 23, 812 (1984).
    [CrossRef] [PubMed]
  3. P. Chavel, S. Lowenthal, J. Opt. Soc. Am. 68, 721 (1978).
    [CrossRef]
  4. A. W. Lohmann, Appl. Opt. 7, 561 (1968).
    [CrossRef]
  5. E. G. Paek, A. Von Lehman, J. R. Wullert, R. Martin, Opt. Lett. 16, 937 (1991).
    [CrossRef] [PubMed]
  6. S. Lowenthal, A. Wertz, C. R. Acad. Sci. Ser. B 266, 542 (1968).
  7. J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
    [CrossRef]
  8. R. C. Sherman, D. Greiser, F. T. Gamble, C. Verber, T. Dolash, Appl. Opt. 22, 3579 (1983).
    [CrossRef] [PubMed]
  9. E. Elizur, A. A. Friesem, Appl. Opt. 30, 4175 (1991).
    [CrossRef] [PubMed]
  10. W. T. Maloney, Appl. Opt. 10, 2554 (1971).
    [CrossRef] [PubMed]
  11. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968), Chap. 6.
  12. J. L. Horner, J. R. Leger, Appl. Opt. 24, 609 (1985).
    [CrossRef] [PubMed]
  13. N. C. Gallagher, B. Liu, Appl. Opt. 12, 2328 (1973).
    [CrossRef] [PubMed]
  14. J. N. Mait, G. S. Himes, Appl. Opt. 28, 4879 (1989).
    [CrossRef] [PubMed]
  15. H. J. Caulfield, Appl. Opt. 21, 4391 (1982).
    [CrossRef] [PubMed]
  16. A. W. Lohmann, Appl. Opt. 16, 261 (1977).
    [CrossRef] [PubMed]
  17. J. N. Mait, W. T. Rhodes, Appl. Opt. 28, 1474 (1989).
    [CrossRef] [PubMed]

1991 (2)

1989 (2)

1985 (1)

1984 (2)

J. L. Horner, P. D. Gianino, Appl. Opt. 23, 812 (1984).
[CrossRef] [PubMed]

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

1983 (1)

1982 (1)

1978 (1)

1977 (1)

1973 (1)

1971 (1)

1970 (1)

J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
[CrossRef]

1968 (2)

S. Lowenthal, A. Wertz, C. R. Acad. Sci. Ser. B 266, 542 (1968).

A. W. Lohmann, Appl. Opt. 7, 561 (1968).
[CrossRef]

Caulfield, H. J.

Chavel, P.

Dolash, T.

Elizur, E.

Friesem, A. A.

Gallagher, N. C.

Gamble, F. T.

Gianino, P. D.

Goodman, J. W.

J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968), Chap. 6.

Greiser, D.

Himes, G. S.

Hirsch, P. M.

J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
[CrossRef]

Horner, J. L.

Jordan, J. A.

J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
[CrossRef]

Leger, J. R.

Lesem, L. B.

J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
[CrossRef]

Liu, B.

Lohmann, A. W.

Lowenthal, S.

P. Chavel, S. Lowenthal, J. Opt. Soc. Am. 68, 721 (1978).
[CrossRef]

S. Lowenthal, A. Wertz, C. R. Acad. Sci. Ser. B 266, 542 (1968).

Mait, J. N.

Maloney, W. T.

Martin, R.

Paek, E. G.

E. G. Paek, A. Von Lehman, J. R. Wullert, R. Martin, Opt. Lett. 16, 937 (1991).
[CrossRef] [PubMed]

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Patau, J. C.

J. C. Patau, L. B. Lesem, P. M. Hirsch, J. A. Jordan, IBM J. Res. Dev. 14, 485 (1970).
[CrossRef]

Psaltis, D.

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Rhodes, W. T.

Sherman, R. C.

Venkatesh, S. S.

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Verber, C.

Von Lehman, A.

Wertz, A.

S. Lowenthal, A. Wertz, C. R. Acad. Sci. Ser. B 266, 542 (1968).

Wullert, J. R.

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Figures (4)

Fig. 1
Fig. 1

4-F imaging/spatial filtering system. Both lenses have a focal length F.

Fig. 2
Fig. 2

Edge-enhanced tank image for correlation simulations. The image is 256 × 256 pixels.

Fig. 3
Fig. 3

Normalized correlation slices generated by computer simulation of an incoherent correlator with the tank of Fig. 2 at the input. BPF, binary-phase filter; RBPF, randomized binary-phase filter; IRBPF, iterated randomized binary-phase filter.

Fig. 4
Fig. 4

Normalized correlation slices generated by computer simulation of an incoherent correlator with the tank of Fig. 2 at the input.

Equations (2)

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I ( x ) = | o ( x ) * h ( x ) | 2 ,
I ( x ) = | o ( x ) | 2 * | h ( x ) | 2 ,

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