Research Topics
| François GoudailSummaryCountry: France Publications
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Publications
When is polarimetric imaging preferable to intensity imaging for target detection?François Goudail
Laboratoire Charles Fabry de l Institut d Optique, CNRS, Universite Paris Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France
J Opt Soc Am A Opt Image Sci Vis 28:46-53. 2011..These results give important information to assess the interest of polarimetric imaging in a given application...
Noise minimization and equalization for Stokes polarimeters in the presence of signal-dependent Poisson shot noiseFrançois Goudail
Laboratoire Charles Fabry de l Institut d Optiques, CNRS, Univ Paris Sud, Palaiseau, France
Opt Lett 34:647-9. 2009..We show that in some precise sense, the polarimeters optimal for additive noise are also optimal for such noise and propose polarimeter architectures in which noise variances are equalized and independent of the input polarization state...- Optimization of the contrast in polarimetric scalar imagesFrançois Goudail
Laboratoire Charles Fabry de l Institut d Optique, CNRS, Universite Paris Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France
Opt Lett 34:1471-3. 2009.... - Comparison of maximal achievable contrast in scalar, Stokes, and Mueller imagesFrançois Goudail
Laboratoire Charles Fabry de l Institut d Optique, CNRS, Universite Paris Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France
Opt Lett 35:2600-2. 2010..These modalities require, respectively, 1, 4, and 16 intensity measurements to form the polarimetric image. We show that the technique that leads to the best contrast is the scalar one, which requires only one optimized measurement... - Estimation precision of the degree of linear polarization and of the angle of polarization in the presence of different sources of noiseFrançois Goudail
Laboratoire Charles Fabry de l Institut d Optique, Centre National de la Recherche Scientifique, Universite Paris Sud, Campus Polytechnique, 128, 91127 Palaiseau, France
Appl Opt 49:683-93. 2010..In general, the optimal number of measurements results from a compromise on the robustness of these different types of perturbations... - Design and experimental validation of a snapshot polarization contrast imagerArnaud Bénière
Laboratoire Charles Fabry de l Institut d Optique, Centre National de la Recherche Scientifique, Universite Paris Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France
Appl Opt 48:5764-73. 2009..The setup was tested in realistic conditions where it represents a real asset... - Optimal discrimination of multiple regions with an active polarimetric imagerGuillaume Anna
Institut d Optique, CNRS, Univ Paris Sud 11, Palaiseau, France
Opt Express 19:25367-78. 2011..We show on real world examples that in some situations, a few number of optimized polarimetric measurements can overcome the performance of full Mueller matrix imaging... - Sources of possible artefacts in the contrast evaluation for the backscattering polarimetric images of different targets in turbid mediumTatiana Novikova
LPICM, Ecole Polytechnique, CNRS, Palaiseau 91128, France
Opt Express 17:23851-60. 2009.... - Target detection in active polarization images perturbed with additive noise and illumination nonuniformityArnaud Bénière
Laboratoire Charles Fabry de l Institut d Optique, CNRS, Univ Paris Sud, Campus Polytechnique, Palaiseau, France
J Opt Soc Am A Opt Image Sci Vis 26:1678-86. 2009..These results are used to determine in which cases considering intensity information in addition to polarimetric information is relevant or not... - Shape of diffraction orders of centered and decentered pixelated lensesMarius Peloux
Laboratoire Charles Fabry de l Institut d Optique, CNRS, , Campus Polytechnique, RD 128, 91127 Palaiseau, France
Appl Opt 49:1054-64. 2010..In that case, the diffraction orders show shapes that have not been identified in earlier studies and that are quite sensitive to the pixel filling ratio as well as to decentering... - Degree of polarization estimation in the presence of nonuniform illumination and additive Gaussian noiseArnaud Bénière
Laboratoire Charles Fabry de l Institut d Optique, Univ Paris Sud, Palaiseau, France
J Opt Soc Am A Opt Image Sci Vis 25:919-29. 2008..We demonstrate the efficiency of this new estimator and compare its performance with other standard estimators as a function of the degree of nonuniformity of the illumination... - Fully tunable active polarization imager for contrast enhancement and partial polarimetryGuillaume Anna
Laboratoire Charles Fabry, Institut d Optique, CNRS, University Paris Sud 11, Palaiseau, France
Appl Opt 51:5302-9. 2012..Examples of benefits brought by these extra degrees of freedom are illustrated on two different applications: contrast enhancement and extraction of partial polarimetric properties of a scene... - On the influence of noise statistics on polarimetric contrast optimizationGuillaume Anna
Laboratoire Charles Fabry de l Institut d Optique, CNRS, Universite Paris Sud, Palaiseau, France
Appl Opt 51:1178-87. 2012..On a few examples, we show that the gain in contrast obtained by implementing the states adapted to the noise statistics actually present in the image can be significant... - Optimal Mueller matrix estimation in the presence of Poisson shot noiseGuillaume Anna
Laboratoire Charles Fabry, Institut d Optique, CNRS, Univ Paris Sud 11, 2, Avenue Augustin Fresnel, 91127 Palaiseau, France
Opt Express 20:21331-40. 2012..We propose polarimeter architectures in which the noise variances on each coefficient of the Mueller matrix are equalized and independent of the observed matrices... - Polarimetric target detection in the presence of spatially fluctuating Mueller matricesGuillaume Anna
Laboratoire Charles Fabry, UMR 8501, Institut d Optique, CNRS, Universite Paris Sud 11, 91127 Palaiseau, France
Opt Lett 36:4590-2. 2011..We show with simulations and real-world images that, in practical applications, the statistics of Mueller matrix fluctuations have to be taken into account to optimize polarimetric imagery...