Real-time image detection using polarization data
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United States of America Patent
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May 11, 2010
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Feb 1, 2006
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Feb 2, 2005
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Abstract
The present invention relates to a system and method of detecting polarized identification indicia in real-time. A frame of image data is provided having a plurality of pixels, wherein each pixel includes polarized light intensity information. An intensity value is determined for each of the pixels from the polarized light intensity information. A first portion of the pixels having intensity values within an intensity range is selected. The pixels in the first portion having similar angle of linear polarization values within a tolerance range are analyzed, thereby detecting the polarized identification indicia in the image data.
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