Abstract

On-axis phase-shifting digital holography requires recording of multiple holograms. We describe a novel real-time three-dimensional- (3-D-) object recognition system that uses single-exposure on-axis digital holography. In contrast to 3-D-object recognition by means of a conventional phase-shifting scheme that requires multiple exposures, our proposed method requires only a single digital hologram to be synthesized and used to recognize 3-D objects. A benefit of the proposed 3-D recognition method is enhanced practicality of digital holography for 3-D recognition in terms of its simplicity and greater robustness to external scene parameters such as moving targets and environmental noise factors. We show experimentally the utility of the single-exposure on-axis digital holography–based 3-D-object recognition method.

© 2005 Optical Society of America

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References

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2004 (2)

2002 (2)

G. Pedrini and H. J. Tiziani, Appl. Opt. 41, 4489 (2002).
[CrossRef] [PubMed]

U. Schnars and W. Juptner, Meas. Sci. Technol. 13, R85 (2002).
[CrossRef]

2001 (1)

2000 (1)

1998 (2)

1997 (1)

1967 (1)

J. W. Goodman and R. W. Lawrence, Appl. Phys. Lett. 11, 77 (1967).
[CrossRef]

De Nicola, S.

Ferraro, P.

Finizio, A.

Frauel, Y.

Goodman, J. W.

J. W. Goodman and R. W. Lawrence, Appl. Phys. Lett. 11, 77 (1967).
[CrossRef]

Goudail, F.

Javidi, B.

Juptner, W.

U. Schnars and W. Juptner, Meas. Sci. Technol. 13, R85 (2002).
[CrossRef]

Lawrence, R. W.

J. W. Goodman and R. W. Lawrence, Appl. Phys. Lett. 11, 77 (1967).
[CrossRef]

Mahalanobis, A.

A. Mahalanobis, in Image Recognition and Classification, B. Javidi, ed. (Marcel Dekker, New York, 2002), p. 295.

Matoba, O.

Pedrini, G.

Pierattini, G.

Réfrégier, P.

Rosen, J.

Schnars, U.

U. Schnars and W. Juptner, Meas. Sci. Technol. 13, R85 (2002).
[CrossRef]

Tajahuerce, E.

Tiziani, H. J.

Yamaguchi, I.

Zhang, T.

Appl. Opt. (2)

Appl. Phys. Lett. (1)

J. W. Goodman and R. W. Lawrence, Appl. Phys. Lett. 11, 77 (1967).
[CrossRef]

J. Opt. Soc. Am. A (2)

Meas. Sci. Technol. (1)

U. Schnars and W. Juptner, Meas. Sci. Technol. 13, R85 (2002).
[CrossRef]

Opt. Lett. (3)

Proc. SPIE (1)

F. Sadjadi, ed., Proc. SPIE 5426, 124 (2004).
[CrossRef]

Other (1)

A. Mahalanobis, in Image Recognition and Classification, B. Javidi, ed. (Marcel Dekker, New York, 2002), p. 295.

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Figures (3)

Fig. 1
Fig. 1

Schematic diagram of the proposed single-exposure on-axis digital holography–based 3-D recognition system: B/S 1, B/S 2, beam splitters; M1, M2, mirrors.

Fig. 2
Fig. 2

(a), (b) Images reconstructed by conventional phase-shifting digital holography: (a) car I and (b) car II. (c), (d) Images reconstructed by use of single-exposure on-axis digital holography with only a single hologram recording (c) car I and (d) car II.

Fig. 3
Fig. 3

(a), (b) Autocorrelation and cross correlation of the holograms of cars I and II, respectively, obtained by on-axis phase-shift digital holography. (c), (d) Autocorrelation and cross correlation of the holograms of cars I and II, respectively, obtained by single-exposure on-axis digital holography.

Equations (5)

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Hx,y,θ=Ox,y2+Rx,y2+exp-iθ×Ox,yR*x,y+expiθO*x,yRx,y.
uix,y=Ox,yR*x,y=½Hx,y,0-Ox,y2-Rx,y2+iHx,y,π/2-Ox,y2-Rx,y2.
uix,y=Ox,yR*x,y+O*x,yRx,y=Hx,y,0-Rx,y2-1N2k=0N-1l=0N-1HkΔx,lΔy,0-RkΔx,lΔy2,
u0x,y=expikdidλ expik2dx2+y2×Fuix,yexpik2dx2+y2.
Cx,y=F-1FuiTx,y×F*uiRx,y2.

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