Abstract

Incoherent color image correlation with a multiwavelength Fresnel holographic filter and a color liquid-crystal television as a real-time input device is demonstrated.

© 1993 Optical Society of America

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References

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  1. N. K. Shi, “Color-sensitive spatial filters,” Opt. Lett. 3, 85–87 (1978).
    [CrossRef] [PubMed]
  2. S. K. Case, “Pattern recognition with wavelength-multiplexed filters,” Appl. Opt. 18, 1890–1894 (1979).
    [CrossRef] [PubMed]
  3. Y. Ishii, K. Murata, “Color-coded character-recognition experiment with wavelength-triplexed, reflection-type holographic filters,” Opt. Lett. 7, 230–232 (1982).
    [CrossRef] [PubMed]
  4. F. T. S. Yu, T. H. Chao, “Color signal correlation detection by matched spatial filtering,” Appl. Phys. B 32, 1–6 (1983).
    [CrossRef]
  5. G. G. Mu, D. Q. Chen, Z. Q. Wang, “Color-image correlation with a multiwavelength Fresnel holographic filter,” Opt. Lett. 13, 434–436 (1988).
    [CrossRef] [PubMed]
  6. D. A. Gregory, “Real-time pattern recognition using a modified liquid crystal television in a coherent optical correlator,” Appl. Opt. 25, 467–469 (1986).
    [CrossRef] [PubMed]
  7. S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
    [CrossRef]
  8. Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
    [CrossRef]
  9. F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).
  10. F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
    [CrossRef]
  11. C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
    [CrossRef]
  12. E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
    [CrossRef]
  13. G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

1992 (1)

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

1991 (1)

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

1990 (1)

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

1989 (1)

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

1988 (1)

1987 (3)

F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).

S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
[CrossRef]

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

1986 (1)

1983 (1)

F. T. S. Yu, T. H. Chao, “Color signal correlation detection by matched spatial filtering,” Appl. Phys. B 32, 1–6 (1983).
[CrossRef]

1982 (1)

1979 (1)

1978 (1)

Cartwright, C. M.

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

Case, S. K.

Chao, T. H.

F. T. S. Yu, T. H. Chao, “Color signal correlation detection by matched spatial filtering,” Appl. Phys. B 32, 1–6 (1983).
[CrossRef]

Chen, D. Q.

G. G. Mu, D. Q. Chen, Z. Q. Wang, “Color-image correlation with a multiwavelength Fresnel holographic filter,” Opt. Lett. 13, 434–436 (1988).
[CrossRef] [PubMed]

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

Gillespie, W. A.

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

Gregory, D. A.

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

D. A. Gregory, “Real-time pattern recognition using a modified liquid crystal television in a coherent optical correlator,” Appl. Opt. 25, 467–469 (1986).
[CrossRef] [PubMed]

Ishii, Y.

Juday, R. D.

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

Jutamulia, S.

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).

S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
[CrossRef]

Lin, T. W.

S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
[CrossRef]

F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).

Mu, G. G.

G. G. Mu, D. Q. Chen, Z. Q. Wang, “Color-image correlation with a multiwavelength Fresnel holographic filter,” Opt. Lett. 13, 434–436 (1988).
[CrossRef] [PubMed]

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

Murata, K.

Shi, N. K.

Soutar, C.

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

Tam, E. C.

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

Wang, Z. Q.

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

G. G. Mu, D. Q. Chen, Z. Q. Wang, “Color-image correlation with a multiwavelength Fresnel holographic filter,” Opt. Lett. 13, 434–436 (1988).
[CrossRef] [PubMed]

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

Wu, F. X.

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

Yelamarty, R. V.

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

Yu, F. T. S.

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).

S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
[CrossRef]

F. T. S. Yu, T. H. Chao, “Color signal correlation detection by matched spatial filtering,” Appl. Phys. B 32, 1–6 (1983).
[CrossRef]

Appl. Opt. (2)

Appl. Phys. B (1)

F. T. S. Yu, T. H. Chao, “Color signal correlation detection by matched spatial filtering,” Appl. Phys. B 32, 1–6 (1983).
[CrossRef]

J. Mod. Opt. (1)

C. Soutar, Z. Q. Wang, C. M. Cartwright, W. A. Gillespie, “Real-time optical intensity correlator using photorefractive BSO and a liquid crystal television,” J. Mod. Opt. 39, 761–769 (1992).
[CrossRef]

Opt. Commun. (2)

S. Jutamulia, T. W. Lin, F. T. S. Yu, “Real-time noncoherent correlator using liquid crystal television,” Opt. Commun. 64, 115–119 (1987).
[CrossRef]

Z. Q. Wang, W. A. Gillespie, C. M. Cartwright, C. Soutar, “Real-time computer-aided multiplexed optical intensity correlator using Fresnel holographic filters and a liquid crystal television,” Opt. Commun. 86, 19–24 (1991).
[CrossRef]

Opt. Eng. (2)

F. T. S. Yu, S. Jutamulia, T. W. Lin, “Real-time polychromatic signal detection using a color liquid crystal television,” Opt. Eng. 26, 453–459 (1987).

E. C. Tam, F. T. S. Yu, D. A. Gregory, R. D. Juday, “Data association multiple target tracking using a phase-mostly liquid crystal television,” Opt. Eng. 29, 1114–1121 (1990).
[CrossRef]

Opt. Laser Technol. (1)

F. T. S. Yu, S. Jutamulia, R. V. Yelamarty, D. A. Gregory, “Adaptive joint transform correlator for real-time color pattern recognition,” Opt. Laser Technol. 21, 189–192 (1989).
[CrossRef]

Opt. Lett. (3)

Optik (1)

G. G. Mu, Z. Q. Wang, D. Q. Chen, F. X. Wu, “A new technique for pattern recognition using Fresnel hologram and extended source,” Optik 75, 97–100 (1987).

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Figures (4)

Fig. 1
Fig. 1

Schematic diagram of the optical system used to record a multiwavelength FHF: B. E., beam expander; B. S., beam splitters; M., mirrors.

Fig. 2
Fig. 2

Configuration of the real-time color image-correlation system with a color LCTV and a multiwavelength FHF.

Fig. 3
Fig. 3

Black-and-white picture of the bichromatic signal used for the synthesis of the multiwavelength FHF.

Fig. 4
Fig. 4

Black-and-white picture of the autocorrelation result of the bichromatic signal. The combination of the peak correlation of the red signal with the green signal yields a bright yellow spot in the center.

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

f ( x , y ) = f r ( x , y ) + f g ( x , y ) + f b ( x , y ) ,
T r ( α , β ) = F r * ( α , β ) R r ( α , β ) ,
H i ( x , y ; x , y ) = | f r ( x + a x a s , y + a y ) | 2 + | f g ( x + a x a s , y + a y ) | 2 + | f b ( x + a x a s , y + a y ) | 2 ,
I ( x , y ) = [ | f r ( x , y ) | 2 | f r ( x + a x a s , y + a y ) | 2 + | f g ( x , y ) | 2 | f g ( x + a x a s , y + a y ) | 2 + | f b ( x , y ) | 2 | f b ( x + a x a s , y + a y ) | 2 ] d x d y ,

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