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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 30, Iss. 10 — Oct. 1, 2013
  • pp: 1956–1966

High-order total variation-based multiplicative noise removal with spatially adapted parameter selection

Jun Liu, Ting-Zhu Huang, Zongben Xu, and Xiao-Guang Lv  »View Author Affiliations


JOSA A, Vol. 30, Issue 10, pp. 1956-1966 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001956


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Abstract

Multiplicative noise is one common type of noise in imaging science. For coherent image-acquisition systems, such as synthetic aperture radar, the observed images are often contaminated by multiplicative noise. Total variation (TV) regularization has been widely researched for multiplicative noise removal in the literature due to its edge-preserving feature. However, the TV-based solutions sometimes have an undesirable staircase artifact. In this paper, we propose a model to take advantage of the good nature of the TV norm and high-order TV norm to balance the edge and smoothness region. Besides, we adopt a spatially regularization parameter updating scheme. Numerical results illustrate the efficiency of our method in terms of the signal-to-noise ratio and structure similarity index.

© 2013 Optical Society of America

OCIS Codes
(030.4280) Coherence and statistical optics : Noise in imaging systems
(030.6140) Coherence and statistical optics : Speckle
(100.2000) Image processing : Digital image processing
(100.3020) Image processing : Image reconstruction-restoration
(280.6730) Remote sensing and sensors : Synthetic aperture radar

ToC Category:
Image Processing

History
Original Manuscript: May 6, 2013
Revised Manuscript: July 20, 2013
Manuscript Accepted: July 25, 2013
Published: September 10, 2013

Citation
Jun Liu, Ting-Zhu Huang, Zongben Xu, and Xiao-Guang Lv, "High-order total variation-based multiplicative noise removal with spatially adapted parameter selection," J. Opt. Soc. Am. A 30, 1956-1966 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-10-1956

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