Efficient polarimetric BRDF transformations

Stefan Björkert; Ingmar G. E. Renhorn

doi:10.1117/12.2235783

3 May 2016 Efficient polarimetric BRDF transformations

Proceedings Volume 9820, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXVII; 98200D (2016) https://doi.org/10.1117/12.2235783
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

In order to characterize a target, the basic information that is of interest is spectral, polarization and distance. Imaging spectropolarimetry is a powerful tool for obtaining the polarization state of a scene and to discriminate manmade objects in a cluttered background. With respect to polarization, often the measurements are limited to the first three components of the Stokes vector, excluding circular polarization. The scene is therefore characterized in four directions of linear polarization, I₀, I₉₀, I₄₅ and I₁₃₅. An efficient polarimetric BRDF model defined in a local coordinate system has recently been published. The model will now be extended to a global coordinate system for linear polarized radiation. This includes the first three elements of the Stokes vector. We will provide examples for surface of intrinsically different scattering materials, bulk scattering materials and clear coated surfaces.

Citation Download Citation

Stefan Björkert and Ingmar G. E. Renhorn "Efficient polarimetric BRDF transformations", Proc. SPIE 9820, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXVII, 98200D (3 May 2016); https://doi.org/10.1117/12.2235783

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