Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1540439 | Optics Communications | 2007 | 6 Pages |
Abstract
We address the problem of degree of polarization (DOP) estimation in images limited by additive Gaussian detector noise. We derive and analyze the probability density function (PDF) of the pixelwise DOP estimate, which is shown to have significantly different statistical properties than when noise is Gamma distributed (speckle). We then determine the Cramer-Rao Lower Bound and the maximum likelihood estimator of the DOP. We deduce from this study practical solutions for characterizing and reducing the noise in these images.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Arnaud Bénière, François Goudail, Mehdi Alouini, Daniel Dolfi,