Abstract

Polychromatic object recognition based on circular whitening preprocessing of red–green–blue components and multichannel matched filtering is described. Computer simulations and experimental results are provided to facilitate recognizing a color target among objects of similar shape but with different color contents. Experimental results are obtained with an optical correlator with two spatial light modulators, one to introduce the scene and the second one to introduce the filter.

© 1996 Optical Society of America

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References

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  1. T. T. S. Yu, Opt. Eng. 23, 690 (1984).
  2. E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
    [CrossRef]
  3. M. S. Millán, J. Campos, C. Ferreira, M. J. Yzuel, Opt. Commun. 73, 277 (1992).
    [CrossRef]
  4. M. S. Millán, M. J. Yzuel, J. Campos, C. Ferreira, Appl. Opt. 31, 2560 (1992).
    [CrossRef] [PubMed]
  5. M. J. Yzuel, J. Campos, in Current Trends in Optics, J. C. Dainty, ed. (Academic, San Diego, Calif., 1994), p. 209.
  6. J. L. Horner, P. D. Gianino, Appl. Opt. 23, 812 (1984).
    [CrossRef] [PubMed]
  7. M. S. Millán, M. Corbalán, J. Romero, M. J. Yzuel, Opt. Lett. 20, 1722 (1995).
    [CrossRef] [PubMed]
  8. L. P. Yaroslavsky, in Progress in Optics, E. Wolf, ed. (Elsevier, New York, 1993), Vol. XXXII, pp. 145–201.
    [CrossRef]
  9. S. Mazé, P. Réfrégier, Opt. Lett. 17, 426 (1992).
    [CrossRef] [PubMed]
  10. R. R. Kallman, D. H. Goldstein, Opt. Eng. 33, 1806 (1994).
    [CrossRef]
  11. K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
    [CrossRef]

1995 (2)

M. S. Millán, M. Corbalán, J. Romero, M. J. Yzuel, Opt. Lett. 20, 1722 (1995).
[CrossRef] [PubMed]

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

1994 (1)

R. R. Kallman, D. H. Goldstein, Opt. Eng. 33, 1806 (1994).
[CrossRef]

1992 (3)

1987 (1)

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

1984 (2)

Badiqué, E.

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

Campos, J.

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

M. S. Millán, J. Campos, C. Ferreira, M. J. Yzuel, Opt. Commun. 73, 277 (1992).
[CrossRef]

M. S. Millán, M. J. Yzuel, J. Campos, C. Ferreira, Appl. Opt. 31, 2560 (1992).
[CrossRef] [PubMed]

M. J. Yzuel, J. Campos, in Current Trends in Optics, J. C. Dainty, ed. (Academic, San Diego, Calif., 1994), p. 209.

Chalasinska-Macukow, K.

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

Corbalán, M.

Ferreira, C.

M. S. Millán, M. J. Yzuel, J. Campos, C. Ferreira, Appl. Opt. 31, 2560 (1992).
[CrossRef] [PubMed]

M. S. Millán, J. Campos, C. Ferreira, M. J. Yzuel, Opt. Commun. 73, 277 (1992).
[CrossRef]

Gianino, P. D.

Goldstein, D. H.

R. R. Kallman, D. H. Goldstein, Opt. Eng. 33, 1806 (1994).
[CrossRef]

Honda, T.

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

Horner, J. L.

Kallman, R. R.

R. R. Kallman, D. H. Goldstein, Opt. Eng. 33, 1806 (1994).
[CrossRef]

Komiya, Y.

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

Mazé, S.

Millán, M. S.

Ohyama, N.

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

Réfrégier, P.

Romero, J.

Styczynski, K.

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

Tsujiuchi, J.

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

Yaroslavsky, L. P.

L. P. Yaroslavsky, in Progress in Optics, E. Wolf, ed. (Elsevier, New York, 1993), Vol. XXXII, pp. 145–201.
[CrossRef]

Yu, T. T. S.

T. T. S. Yu, Opt. Eng. 23, 690 (1984).

Yzuel, M. J.

M. S. Millán, M. Corbalán, J. Romero, M. J. Yzuel, Opt. Lett. 20, 1722 (1995).
[CrossRef] [PubMed]

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

M. S. Millán, J. Campos, C. Ferreira, M. J. Yzuel, Opt. Commun. 73, 277 (1992).
[CrossRef]

M. S. Millán, M. J. Yzuel, J. Campos, C. Ferreira, Appl. Opt. 31, 2560 (1992).
[CrossRef] [PubMed]

M. J. Yzuel, J. Campos, in Current Trends in Optics, J. C. Dainty, ed. (Academic, San Diego, Calif., 1994), p. 209.

Appl. Opt. (2)

Opt. Commun. (3)

E. Badiqué, Y. Komiya, N. Ohyama, J. Tsujiuchi, T. Honda, Opt. Commun. 61, 181 (1987).
[CrossRef]

M. S. Millán, J. Campos, C. Ferreira, M. J. Yzuel, Opt. Commun. 73, 277 (1992).
[CrossRef]

K. Styczynski, J. Campos, M. J. Yzuel, K. Chalasinska-Macukow, Opt. Commun. 118, 193 (1995).
[CrossRef]

Opt. Eng. (2)

R. R. Kallman, D. H. Goldstein, Opt. Eng. 33, 1806 (1994).
[CrossRef]

T. T. S. Yu, Opt. Eng. 23, 690 (1984).

Opt. Lett. (2)

Other (2)

L. P. Yaroslavsky, in Progress in Optics, E. Wolf, ed. (Elsevier, New York, 1993), Vol. XXXII, pp. 145–201.
[CrossRef]

M. J. Yzuel, J. Campos, in Current Trends in Optics, J. C. Dainty, ed. (Academic, San Diego, Calif., 1994), p. 209.

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Figures (3)

Fig. 1
Fig. 1

(a)–(c) Test RGB color scene, (d)–(f ) transformed color scene.

Fig. 2
Fig. 2

Numerical correlation-intensity distributions for (a) the phase-encoded RGB color scene in Figs. 1(a)–(c) and (b) the transformed color scene in Figs. 1(d)–(f ).

Fig. 3
Fig. 3

Optical correlation-intensity distributions for (a) the phase-encoded RGB color scene in Figs. 1(a)–(c) and (b) the transformed color scene in Figs. 1(d)–(f ).

Tables (1)

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Table 1 Normalized Correlation Peak Valuesa

Equations (5)

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s ˜ n ( x , y ) = k = 0 2 S ˜ k ( x , y ) exp ( i 2 π k n / 3 ) ,
S ˜ k ( x , y ) = S k ( x , y ) / S k ( x , y ) ,
s ˜ n ( x , y ) = sign [ s 0 ( x , y ) + s 1 ( x , y ) + s 2 ( x , y ) ] + 1 Δ [ 2 s n ( x , y ) - i n s i ( x , y ) ] ,
R k ( x , y ) = n s ˜ n ( x , y ) s ˜ ( n - k ) modulo 3 ( x , y )
f ( x , y ) ¯ = exp ( i π { [ f ( x , y ) - min ] / ( max  - min ) } ) ,

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