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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. 28, Iss. 3 — Mar. 1, 2011
  • pp: 465–474

Recovery of polarimetric Stokes images by spatial mixture models

Giorgos Sfikas, Christian Heinrich, Jihad Zallat, Christophoros Nikou, and Nikos Galatsanos  »View Author Affiliations


JOSA A, Vol. 28, Issue 3, pp. 465-474 (2011)
http://dx.doi.org/10.1364/JOSAA.28.000465


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Abstract

A Bayesian approach for joint restoration and segmentation of polarization encoded images is presented with emphasis on both physical admissibility and smoothness of the solution. Two distinct models for the sought polarized radiances are used: (i) the polarized light at each site of the image is described by its Stokes vector, which directly follows a mixture of truncated Gaussians, explicitly assigning zero probability to inadmissible configurations and (ii) polarization at each site is represented by the coherency matrix, which is parameterized by a set of variables assumed to be generated by a spatially varying mixture of Gaussians. Application on real and synthetic images using the proposed methods assesses the pertinence of the approach.

© 2011 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(100.3190) Image processing : Inverse problems
(110.2960) Imaging systems : Image analysis
(120.5410) Instrumentation, measurement, and metrology : Polarimetry

ToC Category:
Image Processing

History
Original Manuscript: July 26, 2010
Revised Manuscript: December 14, 2010
Manuscript Accepted: January 6, 2011
Published: March 1, 2011

Citation
Giorgos Sfikas, Christian Heinrich, Jihad Zallat, Christophoros Nikou, and Nikos Galatsanos, "Recovery of polarimetric Stokes images by spatial mixture models," J. Opt. Soc. Am. A 28, 465-474 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-3-465


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