Abstract

According to the color constancy theory, a modified variation Retinex is proposed for improving the visibility of the dark regions in images under insufficient and/or non-uniform lighting conditions. A new penalty functional based on nonlinear diffusion and correlation between the reflectance and the given image is designed for the intensity image enhancement, followed by adaptive color compensation. With high computational efficiency achieved by an improved multi-resolution algorithm, simulation results prove that the proposed method shows more colorful and vivid visual performance, and achieves wider dynamic range with higher objective standard values.

© 2009 Chinese Optics Letters

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2008

2004

B. Funt, F. Ciurea, and J. J. McCann, Journal of Electronic Imaging 13, 48 (2004).

2003

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

1997

D. J. Jobson, Z. Rahman, and G. A. Woodell, IEEE Trans. Image Processing 6, 451 (1997).

1971

Chen, G.

Chen, R.

Ciurea, F.

B. Funt, F. Ciurea, and J. J. McCann, Journal of Electronic Imaging 13, 48 (2004).

Elad, M.

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

Funt, B.

B. Funt, F. Ciurea, and J. J. McCann, Journal of Electronic Imaging 13, 48 (2004).

Huang, X.

Jobson, D. J.

D. J. Jobson, Z. Rahman, and G. A. Woodell, IEEE Trans. Image Processing 6, 451 (1997).

Keshet, R.

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

Kimmel, R.

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

Land, E. H.

Liu, Z.

McCann, J. J.

B. Funt, F. Ciurea, and J. J. McCann, Journal of Electronic Imaging 13, 48 (2004).

McCannm, J. J.

Pang, J.

Rahman, Z.

D. J. Jobson, Z. Rahman, and G. A. Woodell, IEEE Trans. Image Processing 6, 451 (1997).

Shaked, D.

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

Sobel, I.

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

Woodell, G. A.

D. J. Jobson, Z. Rahman, and G. A. Woodell, IEEE Trans. Image Processing 6, 451 (1997).

Xie, Z.

Yang, K.

Zhang, H.

Zhang, R.

Chin. Opt. Lett.

IEEE Trans. Image Processing

D. J. Jobson, Z. Rahman, and G. A. Woodell, IEEE Trans. Image Processing 6, 451 (1997).

International Journal of Vision

R. Kimmel, M. Elad, D. Shaked, R. Keshet, and I. Sobel, International Journal of Vision 52, 7 (2003).

J. Opt. Soc. Am.

Journal of Electronic Imaging

B. Funt, F. Ciurea, and J. J. McCann, Journal of Electronic Imaging 13, 48 (2004).

Other

D. H. Choi, I. H. Jang, and M. H. Kim, in Proceedings of ISCAS 3948 (2007).

K. R. Joshi and R. S. Kamathe, in Proceedings of ICALIP 1229 (2008).

H. Takahashi, T. Saito, and T. Komatsu, in Proceedings of 2006 ICIP 977 (2006).

M. Ebner, Color Constancy (John Wiley & Sons Ltd., Chichester, 2007).

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