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Anisotropic diffusion of color images

Publication ,  Journal Article
Sapiro, G; Ringach, DL
Published in: Proceedings of SPIE - The International Society for Optical Engineering
January 1, 1996

A new approach for anisotropic diffusion processing of color images is proposed. The main idea of the algorithm is to facilitate diffusion of the image in the direction parallel to color edges. The direction of maximal and minimal color change at each point is computed using the first fundamental form of the image in (L*a*b*) color space. The image Φ evolves according to an anisotropic diffusion flow given by δΦ/δt equals g(λ +, λ -)δ 2Φ/δξ 2, where ξ is the direction of minimal color change. The diffusion coefficient, g(λ +, λ -), is a function of the eigenvalues of the first fundamental form, which represent the maximal and minimal rates of color change. Examples for real color images are presented.

Duke Scholars

Published In

Proceedings of SPIE - The International Society for Optical Engineering

ISSN

0277-786X

Publication Date

January 1, 1996

Volume

2657

Start / End Page

471 / 482

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering
 

Citation

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Sapiro, G., & Ringach, D. L. (1996). Anisotropic diffusion of color images. Proceedings of SPIE - The International Society for Optical Engineering, 2657, 471–482.
Sapiro, G., and D. L. Ringach. “Anisotropic diffusion of color images.” Proceedings of SPIE - The International Society for Optical Engineering 2657 (January 1, 1996): 471–82.
Sapiro G, Ringach DL. Anisotropic diffusion of color images. Proceedings of SPIE - The International Society for Optical Engineering. 1996 Jan 1;2657:471–82.
Sapiro, G., and D. L. Ringach. “Anisotropic diffusion of color images.” Proceedings of SPIE - The International Society for Optical Engineering, vol. 2657, Jan. 1996, pp. 471–82.
Sapiro G, Ringach DL. Anisotropic diffusion of color images. Proceedings of SPIE - The International Society for Optical Engineering. 1996 Jan 1;2657:471–482.

Published In

Proceedings of SPIE - The International Society for Optical Engineering

ISSN

0277-786X

Publication Date

January 1, 1996

Volume

2657

Start / End Page

471 / 482

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering