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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 18, Iss. 10 — Oct. 1, 2001
  • pp: 2460–2467

Physics-based approach to color image enhancement in poor visibility conditions

KokKeong Tan and John P. Oakley  »View Author Affiliations

JOSA A, Vol. 18, Issue 10, pp. 2460-2467 (2001)

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Degradation of images by the atmosphere is a familiar problem. For example, when terrain is imaged from a forward-looking airborne camera, the atmosphere degradation causes a loss in both contrast and color information. Enhancement of such images is a difficult task because of the complexity in restoring both the luminance and the chrominance while maintaining good color fidelity. One particular problem is the fact that the level of contrast loss depends strongly on wavelength. A novel method is presented for the enhancement of color images. This method is based on the underlying physics of the degradation process, and the parameters required for enhancement are estimated from the image itself.

© 2001 Optical Society of America

OCIS Codes
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(100.2980) Image processing : Image enhancement
(100.3020) Image processing : Image reconstruction-restoration
(280.1310) Remote sensing and sensors : Atmospheric scattering
(290.1310) Scattering : Atmospheric scattering

Original Manuscript: November 2, 2000
Revised Manuscript: February 20, 2001
Manuscript Accepted: March 21, 2001
Published: October 1, 2001

KokKeong Tan and John P. Oakley, "Physics-based approach to color image enhancement in poor visibility conditions," J. Opt. Soc. Am. A 18, 2460-2467 (2001)

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