Abstract

The problem of detecting and tracking point targets in a sequence of infrared images with very low signal-to-noise ratio (SNR) is investigated in this paper. A track before detect algorithm for infrared (IR) point target is developed based on particle filter. The particle filter is used to estimate the state of the target in track stage. The unnormalized weights of the output of the filter are used to approximately construct the likelihood ratio for hypothesis test in detection stage. Experiment results with the real image sequences that SNR is about 2.0 show that the proposed algorithm can successfully detect and track point target.

© 2005 Chinese Optics Letters

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2003 (2)

Y. Boers and H. Driessen, IEEE SP Lett. 10, 300 (2003).

L.H. Jiang, D. M. Ren, and X. H. Lu, Chin. Opt. Lett. 1, 689 (2003).

2002 (1)

L. A. Johnston and V. Krishnamurthy, IEEE Trans. AES 38, 228 (2002).

2001 (1)

S. Leonov, IEEE Trans. AES 37, 832 (2001).

1994 (1)

S. D. Blostein and H. S. Richardson, IEEE Trans. AES 30, 197 (1994).

1990 (1)

I. S. Reed, R. M. Gagliardi, and L. B. Stotts, IEEE Trans. AES 26, 434 (1990).

Blostein, S. D.

S. D. Blostein and H. S. Richardson, IEEE Trans. AES 30, 197 (1994).

Boers, Y.

Y. Boers and H. Driessen, IEEE SP Lett. 10, 300 (2003).

Driessen, H.

Y. Boers and H. Driessen, IEEE SP Lett. 10, 300 (2003).

Gagliardi, R. M.

I. S. Reed, R. M. Gagliardi, and L. B. Stotts, IEEE Trans. AES 26, 434 (1990).

Jiang, L.H.

Johnston, L. A.

L. A. Johnston and V. Krishnamurthy, IEEE Trans. AES 38, 228 (2002).

Krishnamurthy, V.

L. A. Johnston and V. Krishnamurthy, IEEE Trans. AES 38, 228 (2002).

Leonov, S.

S. Leonov, IEEE Trans. AES 37, 832 (2001).

Lu, X. H.

Reed, I. S.

I. S. Reed, R. M. Gagliardi, and L. B. Stotts, IEEE Trans. AES 26, 434 (1990).

Ren, D. M.

Richardson, H. S.

S. D. Blostein and H. S. Richardson, IEEE Trans. AES 30, 197 (1994).

Stotts, L. B.

I. S. Reed, R. M. Gagliardi, and L. B. Stotts, IEEE Trans. AES 26, 434 (1990).

Chin. Opt. Lett. (1)

IEEE SP Lett. (1)

Y. Boers and H. Driessen, IEEE SP Lett. 10, 300 (2003).

IEEE Trans. AES (4)

I. S. Reed, R. M. Gagliardi, and L. B. Stotts, IEEE Trans. AES 26, 434 (1990).

S. D. Blostein and H. S. Richardson, IEEE Trans. AES 30, 197 (1994).

L. A. Johnston and V. Krishnamurthy, IEEE Trans. AES 38, 228 (2002).

S. Leonov, IEEE Trans. AES 37, 832 (2001).

Other (1)

D. J. Salmond and H. Birch, in Proceedings of American Control Conference 3755 (2001).

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