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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 12018–12036

Fundamental estimation bounds for polarimetric imagery

Daniel A. LeMaster  »View Author Affiliations


Optics Express, Vol. 16, Issue 16, pp. 12018-12036 (2008)
http://dx.doi.org/10.1364/OE.16.012018


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Abstract

Precise channel-to-channel registration is a prerequisite for effective exploitation of passive polarimetric imagery. In this paper, the Cramer-Rao bound is employed to determine the limits of registration precision in the presence of scene polarization diversity, channel noise, and random translational registration errors between channels. The effects of misregistration on Stokes image estimation are also explored in depth. Algorithm bias is discussed in the context of the bound, without being estimator specific. Finally, case studies are presented for polarization insensitive imagery (a special case) and linear polarization imaging systems with three and four channels. An optimum polarization channel arrangement is proposed in the context of the bound.

© 2008 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(110.3925) Imaging systems : Metrics
(110.5405) Imaging systems : Polarimetric imaging

ToC Category:
Image Processing

History
Original Manuscript: February 28, 2008
Revised Manuscript: March 28, 2008
Manuscript Accepted: April 12, 2008
Published: July 25, 2008

Citation
Daniel A. LeMaster, "Fundamental estimation bounds for polarimetric imagery," Opt. Express 16, 12018-12036 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-16-12018


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