14 September 1994 Mueller matrix formalism in imagery: an experimental arrangement for noise reduction
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In polarization imagery, absolute and random errors must be considered, but in most polarimetric setups, absolute errors are due to nonideal retardation plates for the most part. The contributions to random errors come principally from the physical noises of the camera (Shot noise, quantization), and from the laser intensities fluctuations: these can be greatly reduced, and the retardation plates used here must be submitted to a calibration procedure. Sixty four images are digitized and a generalized linear least square fit is calculated. Experimental noise estimations have been made for the polarization system, and so errors estimations of the Mueller parameters have been analytically and experimentally deduced. Experimental results demonstrate the possibility to estimate the level of the noise, and then to obtain a good estimation of the Mueller matrix elements. The matrix can then be used for decompositions which can provide useful information about the studied targets or media.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bernard Le Jeune, Jean-Pierre Marie, Pierre-Yves Gerligand, Jack Cariou, Jean Lotrian, "Mueller matrix formalism in imagery: an experimental arrangement for noise reduction", Proc. SPIE 2265, Polarization Analysis and Measurement II, (14 September 1994); doi: 10.1117/12.186665; https://doi.org/10.1117/12.186665


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