Abstract

Reflectance model is a basic concept in computer vision. Some existing models combining the classical diffuse reflectance model and those for surfaces containing specular components can approximately describe real reflectance. But the ratio of diffuse and specular reflection decided manually has no clear meaning. We propose a new polynomial hybrid reflectance model. The reflectance map equation with a known shape (for example cylinder) as a sample is used to estimate parameters of the proposed reflectance model by least square regression algorithm. Then the reflectance parameters for surfaces of the same class of materials can be determined. Experiments are performed for a metal surface. The synthesis images produced by the proposed method and existing ones are compared with the real acquired image, and the results show that the proposed reflectance model is suitable for describing real reflectance.

© 2007 Chinese Optics Letters

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2007

2005

C.-T. Lin, W.-C. Cheng, and S.-F. Liang, IEEE Trans. Neural Networks 16, 1601 (2005).

2003

R. Basri and D. W. Jacobs, IEEE Trans. Pattern Analysis and Machine Intelligence 25, 218 (2003).

W. Matusik, H. Pfister, M. Brand, and L. McMillan, ACM Trans. Graphics 22, 759 (2003).

2002

S.-Y. Cho and T. W. S. Chow, Neural Computation 14, 2751 (2002).

2001

X. Wu, D. Guo, and X. Wang, Computer Engineering and Applications (in Chinese) 24, (19) 23 (2001).

2000

S. R. Marschner, S. H. Westin, E. P. F. Lafortune, and K. E. Torrance, Appl. Opt. 39, 2592 (2000).

S.-Y. Cho and T. W. S. Chow, IEEE Trans. Neural Networks 11, 1498 (2000).

1999

R. Zhang, P.-S. Tsai, J. E. Cryer, and M. Shah, IEEE Trans. Pattern Analysis and Machine Intelligence 21, 690 (1999).

1997

P. Lalonde and A. Fournier, IEEE Trans. Visualization and Computer Graphics 3, 329 (1997).

K. M. Lee and C.-C. J. Kuo, Computer Vision and Image Understanding 67, 143 (1997).

1992

G. J. Ward, Computer Graphics 26, (2) 265 (1992).

1991

S. K. Nayar, K. Ikeuchi, and T. Kanade, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 611 (1991).

Q. Zheng and R. Chellappa, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 680 (1991).

H. D. Tagare and R. J. P. deFigueiredo, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 133 (1991).

1986

G. Bishop and D. M. Weimer, Computer Graphics 20, (4) 103 (1986).

1977

J. F. Blinn, Computer Graphics 11, (2) 192 (1977).

1975

B. T. Phong, Communications of the ACM 18, 311 (1975).

ACM Trans. Graphics

W. Matusik, H. Pfister, M. Brand, and L. McMillan, ACM Trans. Graphics 22, 759 (2003).

Appl. Opt.

Chin. Opt. Lett.

Communications of the ACM

B. T. Phong, Communications of the ACM 18, 311 (1975).

Computer Engineering and Applications (in Chinese)

X. Wu, D. Guo, and X. Wang, Computer Engineering and Applications (in Chinese) 24, (19) 23 (2001).

Computer Graphics

G. Bishop and D. M. Weimer, Computer Graphics 20, (4) 103 (1986).

G. J. Ward, Computer Graphics 26, (2) 265 (1992).

J. F. Blinn, Computer Graphics 11, (2) 192 (1977).

Computer Vision and Image Understanding

K. M. Lee and C.-C. J. Kuo, Computer Vision and Image Understanding 67, 143 (1997).

IEEE Trans. Neural Networks

S.-Y. Cho and T. W. S. Chow, IEEE Trans. Neural Networks 11, 1498 (2000).

C.-T. Lin, W.-C. Cheng, and S.-F. Liang, IEEE Trans. Neural Networks 16, 1601 (2005).

IEEE Trans. Pattern Analysis and Machine Intelligence

S. K. Nayar, K. Ikeuchi, and T. Kanade, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 611 (1991).

R. Basri and D. W. Jacobs, IEEE Trans. Pattern Analysis and Machine Intelligence 25, 218 (2003).

R. Zhang, P.-S. Tsai, J. E. Cryer, and M. Shah, IEEE Trans. Pattern Analysis and Machine Intelligence 21, 690 (1999).

H. D. Tagare and R. J. P. deFigueiredo, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 133 (1991).

Q. Zheng and R. Chellappa, IEEE Trans. Pattern Analysis and Machine Intelligence 13, 680 (1991).

IEEE Trans. Visualization and Computer Graphics

P. Lalonde and A. Fournier, IEEE Trans. Visualization and Computer Graphics 3, 329 (1997).

Neural Computation

S.-Y. Cho and T. W. S. Chow, Neural Computation 14, 2751 (2002).

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