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Abstract
Methods of polarization analysis in imaging systems are quite new approach. It allows to remove the polarized light component from recorded images, and is known as Polarization Difference Imaging (PDI). The use of liquid crystals (LC) in PDI was proposed in 2002. Modified LC unit with properly oriented LC layer was proposed by the authors.
In this work specific LC filter and set-up for image analysis are presented. The examination of the azimuthal detectivity of PDI system is performed. The method of digital analysis of acquired images and detectivity determination is presented. Obtained results are shown and discussed.