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Opt Lett. 2007 Feb 1;32(3):229-31.

Passive three-dimensional imaging using polarimetric diversity.

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Lockheed Martin Corporation, 3400 Highcrest Road, Saint Anthony, Minnesota 55418, USA.


The results of experiments in developing a method for extracting three-dimensional information from a scene by means of a polarimetric passive imaging sensor are summarized. This sensor provides a full Stokes vector at each sensor pixel location from which degree and angle of linear polarization are computed. The angle of linear polarization provides the azimuth angle of the surface normal vector. The depression angle of this surface normal vector is obtained in terms of the emitting object's index of refraction from the solution of an equation derived from Fresnel equations, Snell's law, and percent of linear polarization. Results of the application of this approach to simulated infrared polarimetric data are provided.

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