Preliminary measurements of contrast in polarimetric signatures of humans

Van A. Hodgkin; Dawne M. Deaver; Daniel A. LeMaster

doi:10.1117/12.2050328

21 May 2014 Preliminary measurements of contrast in polarimetric signatures of humans

Van A. Hodgkin, Dawne M. Deaver, Daniel A. LeMaster

Proceedings Volume 9099, Polarization: Measurement, Analysis, and Remote Sensing XI; 90990D (2014) https://doi.org/10.1117/12.2050328
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

The reflective bands in modern imaging, i.e., the visible through the short wave infrared (SWIR), have become very attractive for use in both daytime and low light target acquisition and surveillance. In addition, the nature of the target in modern conflict again includes the human body as a principle target. The spectral natures of the reflectivities of humans, their clothing, what they may be carrying, and the environments in which they are immersed, along with the spectral nature and strength of the light sources that illuminate them, have been the essential components of the contrasts in the signatures that are used in models that predict probabilities of target acquisition and discrimination. What has been missing is the impact that polarization in these signatures can have on image contrast. This paper documents a preliminary investigation into the contrast in active and passive polarimetric signatures of humans holding two-handed objects in the SWIR.

Citation Download Citation

Van A. Hodgkin, Dawne M. Deaver, and Daniel A. LeMaster "Preliminary measurements of contrast in polarimetric signatures of humans", Proc. SPIE 9099, Polarization: Measurement, Analysis, and Remote Sensing XI, 90990D (21 May 2014); https://doi.org/10.1117/12.2050328

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