Calculating Image Degree of Polarization and Polarization Orientation
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Given an input image, this process analyzes pixel information to calculate the image's degree of polarization and polarization orientation. The degree of polarization measures how much light becomes polarized during propagation, characterizing the polarization properties of light. Polarization orientation refers to the directional alignment of light waves, which can also be determined through pixel analysis. Typically implemented using Stokes parameters computation (S0, S1, S2) where degree of polarization = sqrt(S1² + S2²)/S0 and orientation = 0.5 * atan2(S2, S1). This analysis provides deeper insights into light characteristics within images, offering crucial data support for optical applications such as material classification, reflection removal, and 3D reconstruction. Common implementation approaches involve processing multiple polarization angle images or using deep learning models with polarization-aware loss functions.
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