Steven L. Jacques, Ph.D., Department of Electrical and Computer Engineering
Oregon Graduate Institute, Portland, Oregon, USA. email:,

A prototype polarization camera.

Comparison of white light versus polarization images.

A freckle

(LEFT: white light image. RIGHT: polarization image)
Polarization image removes the melanin from a freckle. Freckle melanosomes do not appear to influence the image.

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