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References

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  1. D. Psaltis, E. G. Paek, S. S. Venkatesh, “Optical Image Correlation with a Binary Spatial Light Modulator,” Opt. Eng. 23, 698 (1984).
    [CrossRef]
  2. J. L. Horner, J. R. Leger, “Pattern Recognition with Binary Phase-Only Filters,” Appl. Opt. 24, 609 (1985).
    [CrossRef] [PubMed]
  3. J. L. Horner, H. O. Bartelt, “Two-Bit Correlation,” Appl. Opt. 24, 2889 (1985).
    [CrossRef] [PubMed]
  4. J. L. Horner, “Light Utilization in Optical Correlators,” Appl. Opt. 21, 4511 (1982).
    [CrossRef] [PubMed]
  5. C. S. Weaver, J. W. Goodman, “A Technique for Optically Convolving Two Functions,” Appl. Opt. 5, 1248 (1966).
    [CrossRef] [PubMed]
  6. J. E. Rau, “Detection of Difference in Real Distributions,” J. Opt. Soc. Am. 56, 1490 (1966).
    [CrossRef]
  7. F. T. S. Yu, S. Jutamulia, T. W. Lin, D. A. Gregory, “Adaptive Real-Time Pattern Recognition using a Liquid Crystal TV Based Joint Transform Correlator,” Appl. Opt. 26, 1370 (1984).
    [CrossRef]
  8. J. L. Horner, P. D. Gianino, “Phase-Only Filtering,” Appl. Opt. 23, 812 (1984).
    [CrossRef] [PubMed]
  9. J. L. Horner, J. Ludman, Rome Air Development Center; private communications.

1985 (2)

1984 (3)

1982 (1)

1966 (2)

Bartelt, H. O.

Gianino, P. D.

Goodman, J. W.

Gregory, D. A.

Horner, J. L.

Jutamulia, S.

Leger, J. R.

Lin, T. W.

Ludman, J.

J. L. Horner, J. Ludman, Rome Air Development Center; private communications.

Paek, E. G.

D. Psaltis, E. G. Paek, S. S. Venkatesh, “Optical Image Correlation with a Binary Spatial Light Modulator,” Opt. Eng. 23, 698 (1984).
[CrossRef]

Psaltis, D.

D. Psaltis, E. G. Paek, S. S. Venkatesh, “Optical Image Correlation with a Binary Spatial Light Modulator,” Opt. Eng. 23, 698 (1984).
[CrossRef]

Rau, J. E.

Venkatesh, S. S.

D. Psaltis, E. G. Paek, S. S. Venkatesh, “Optical Image Correlation with a Binary Spatial Light Modulator,” Opt. Eng. 23, 698 (1984).
[CrossRef]

Weaver, C. S.

Yu, F. T. S.

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Figures (2)

Fig. 1
Fig. 1

Joint transform image correlator using a binary SLM at the Fourier plane.

Fig. 2
Fig. 2

Autocorrelation results when characters F are used as input signals: (a) conventional joint transform image correlator; (b) joint transform image correlator using a binary SLM at the Fourier plane.

Tables (1)

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Table I Autocorrelation Resultsa

Equations (2)

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| G ( α , β ) | 2 = | S ( 2 π λ ƒ α , 2 π λ ƒ β ) | 2 + | R ( 2 π λ ƒ α , 2 π λ ƒ β ) | 2 + S ( 2 π λ ƒ α , 2 π λ ƒ β ) R * ( 2 π λ ƒ α , 2 π λ ƒ β ) exp ( i 2 π λ ƒ 2 x 0 α ) + S * ( 2 π λ ƒ α , 2 π λ ƒ β ) R ( 2 π λ ƒ α , 2 π λ ƒ β ) exp ( i 2 π λ ƒ 2 x 0 α ) ,
H ( α , β ) = { + 1 if | G ( α , β ) | 2 > υ 1 otherwise .

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